Abstract: An apparatus for detecting X-ray, comprising an X-ray absorption layer comprising an electrode, an electronics layer and a wall sealing a space among electrical connections between the X-ray absorption layer and the electronics layer. The electronics layer comprises: a first and second voltage comparators configured to compare a voltage of an electrode to a first and second thresholds respectively; a counter configured to register a number of X-ray photons absorbed by the X-ray absorption layer; and a controller configured to: start a time delay from a time at which an absolute value of the voltage equals or exceeds an absolute value of the first threshold; activate the second voltage comparator during the time delay; cause the number registered by the counter to increase by one, if, during the time delay, an absolute value of the voltage equals or exceeds an absolute value of the second threshold.

Abstract: A method for identifying three entangled photons includes generating a set of first, second, and third entangled photons correlated in time and interfering the first and second entangled photons based on a difference between a first optical path from an output of an optical source that generates the first entangled photon to a first optical input to an interferometric beam splitter and a second optical path from an output of the optical source that generates the second entangled photon to a second input of the interferometric beam splitter. A first electrical signal is generated in response to detection of a first photon generated by the interfering of the first and second entangled photons. A second electrical signal is generated in response to detection of a second photon generated by the interfering of the first and second entangled photons. A third electrical signal is generated in response to detection of the third entangled photon.

Abstract: In an aspect a computer system is configured to: receive accelerated transfer definition data defining one or more conditions for accelerating a transfer; obtain a due date for completing the transfer; initiate the transfer in response to the earlier of: determining that at least one of the conditions for accelerating the transfer have occurred; and determining that a current date is within a defined proximity of the due date for completing the transfer.

Abstract: A testing apparatus for dynamic characterization of a sample of a material under test. A terahertz (THz) time-domain spectroscopy system is configured and arranged to generate and detect terahertz waves to interrogate the sample. A shock wave loading system is configured and arranged to produce a shock wave in the sample concurrently with said THz spectroscopy device interrogating the sample. The sample undergoes changes in an index of refraction in response to the produced ultrafast shock wave in the sample that are detected by the terahertz spectroscopy system.

Abstract: Provided area device for detecting sub-atomic particles and method of fabrication thereof. The device includes a plurality of scintillators, a detector provided on a first end of the plurality of scintillators and a prismatoid provided on a second end of the plurality of scintillators. The prismatoid redirects light between adjacent scintillators of the plurality of scintillators.

Abstract: An imaging system comprising: a first lighting device that emits terahertz waves at a first quantity of light emission in a first operation mode, and emits terahertz waves at a second quantity of light emission, which is larger than the first quantity of light emission, in a second operation mode; a first detection device that detects reflected terahertz waves by a target and a control device that switches from the first operation mode to the second operation mode in a case where the first detection device detects the target in the first operation mode.

Abstract: A probe is configured for introduction into a vicinity of a hazard. The probe comprises multiple sensors, communications circuitry, processor circuitry, and a casing. The multiple sensors include at least: a sensor configured to acquire disposition information of the probe; and a sensor configured to acquire environmental information in a vicinity of the probe. The communications circuitry is configured to transmit the disposition information and the environmental information externally to the probe. The processor circuitry is configured to coordinate operation of the multiple sensors and the communications circuitry. The casing is configured to internally house the multiple sensors, the transmitter, and the processor circuitry. The casing comprises an essentially cylindrical bullet shape, and wherein along a major cylindrical axis a first end of the casing comprises a flat butt surface and a second end of the casing comprises a rounded nose surface.

Abstract: To provide a radiation analyzer that can perform analyses by a long-term stable and high energy resolution without correcting a current flowing through a transition edge sensor (hereinafter referred to as TES) or a pulse height value of a signal pulse. The radiation analyzer includes: a TES 1 configured to detect radiation; a current detection mechanism 4 configured to detect a current flowing through the TES 1; a pulse height analyzer 5 configured to measure a pulse height value based on the current detected by the current detection mechanism 4; a baseline monitor mechanism 6 configured to detect a baseline current flowing through the TES 1; a first heater 13 whose output is adjusted to stabilize a temperature of a first thermometer 12 disposed in a cold head that cools the TES 1; and a second heater 14 that is disposed fairly close to the TES 1 and whose output is adjusted to stabilize a baseline current.

Abstract: A system adapted to collect security parameters from a shipping container while a container lifting mechanism is lifting and moving said container, comprising: a mount adapted to attach at least one sensor to a container lifting mechanism, wherein the at least one sensor is adapted to capture at least one sensor parameter associated with a shipping container while the container lifting mechanism lifts said shipping container; a network interface adapted to receive over a network at least one manifest parameter associated with the shipping container; at least one hardware processor adapted to execute code for detecting a mismatch between data deduced from an analysis of the at least one sensor parameter and the at least one manifest parameter, and outputting a signal indicative of said mismatch.

Abstract: A positron emission tomography apparatus according to an embodiment includes a plurality of positron emission tomography (PET) detector entities and processing circuitry. The plurality of PET detector entities are arranged in a ring formation. The processing circuitry is configured: to obtain, with respect to each of the plurality of PET detector entities, state information indicating a state of the PET detector entity; to detect an abnormality when an index value indicating a state of any individual or a whole of the plurality of PET detector entities exceeds a threshold value on the basis of the state information; and to detect a state in which the abnormality is not detected on the basis of the state information, but an index value indicating states of at least two of the plurality of PET detector entities is different from an index value indicating states of at least two other PET detector entities.

Abstract: An apparatus for detecting X-ray, comprising an X-ray absorption layer comprising an electrode, an electronics layer and a wall sealing a space among electrical connections between the X-ray absorption layer and the electronics layer. The electronics layer comprises: a first and second voltage comparators configured to compare a voltage of an electrode to a first and second thresholds respectively; a counter configured to register a number of X-ray photons absorbed by the X-ray absorption layer; and a controller configured to: start a time delay from a time at which an absolute value of the voltage equals or exceeds an absolute value of the first threshold; activate the second voltage comparator during the time delay; cause the number registered by the counter to increase by one, if, during the time delay, an absolute value of the voltage equals or exceeds an absolute value of the second threshold.

Abstract: An image sensor includes a pixel array, wherein the pixel array includes a first unit pixel including first sensing pixels adjacent along a column direction and second sensing pixels adjacent along the column direction, the first sensing pixels and the second sensing pixels being adjacent along a row direction, and a same color filter overlapping first and second sensing pixels. The first sensing pixels share a first floating diffusion node. The second sensing pixels share a second floating diffusion node.

Abstract: A supercritical carbon dioxide state monitoring and control system based on infrared spectrum characteristic analysis. The system includes: a test section for carbon dioxide to pass through; an infrared light source emitting a detection beam to the carbon dioxide passing through the test section; an infrared spectrometer receiving and analyzing the detection beam passing through the carbon dioxide; and a pressure control module controlling pressure of the carbon dioxide at a set value. In addition, the system also includes a temperature control module capable of monitoring and adjusting temperature of the supercritical carbon dioxide. The supercritical carbon dioxide state monitoring and control system may monitor and control a state of the carbon dioxide at an inlet of an apparatus under an actual operation condition in a Brayton cycle system, which improves working performance of the apparatus in the Brayton cycle system, thereby improving overall efficiency of the Brayton cycle system.

Abstract: An apparatus for detecting a locating medium in tissue includes a probe, and a console. The probe includes a handle and a detector disposed on a distal end of the probe. The console is in communication and includes a display. The display has a first graphical representation and a second graphical representation. The first graphical representation is configured to depict a count real-time count based on a signal from the detector. The second graphical representation is configured to depict a target count.

Abstract: In one aspect, a system for obtaining dielectric properties of an object is disclosed, which comprises a plurality of transceivers for generating radiation in the microwave or millimeter-wave region of the electromagnetic spectrum. The transceivers are positioned in spatially fixed relationships relative to one another. The system further includes a controller for selectively activating the transceivers for irradiating at least a portion of the object and detecting at least a portion of the radiation reflected from said portion of the object in response to the irradiation, where each of the activated transceivers generates a signal in response to detection of the reflected radiation. The reflected signals are analyzed to determine a plurality of reflectivity coefficients corresponding to different discrete locations of the object, and the reflectivity coefficients are used to determine the complex permittivity of the discrete locations.

Abstract: Systems and methods for quantum clock synchronization are provided. Various embodiments can use time-energy and polarization entangled photons to securely extract the absolute time difference between two remote clocks. In some embodiments, two parties can each have a source of entangled photons. Each party can detect one member of the pair locally and time stamp the detection time, while the other photon gets sent over a common channel (single optical mode) to the other party where the transmitted photon is detected and time stamped. The time stamp values can be shared over an open authenticated channel and each receiver can run a cross-correlation of the detection times. The authenticity and non-spoofability of the timing signal are ensured if each party does not just perform a simple time of arrival measurement but also incorporate polarization measurements whose joint values constitute a Bell test.

Abstract: A particle detection device of an embodiment includes: a detector including a plurality of superconducting strips, and detecting a particle generated from a particle generation source; a conversion mechanism including a plurality of channels provided for the respective superconducting strips, and converting an analog signal from a corresponding one of the superconducting strips into a digital signal; an aggregation mechanism including a circuit which receives an output from the conversion mechanism; a first temperature maintaining portion maintaining a first temperature equal to or lower than a superconducting transition temperature; a first low-temperature container housing the first temperature maintaining portion; and a vacuum container housing the conversion mechanism and the first low-temperature container, and including an opening, the detector being housed in the first low-temperature container, and being connected to the first temperature maintaining portion, and the conversion mechanism being maintai

Abstract: An implantable medical device (IMD), includes a processor for controlling the IMD; circuitry for providing therapeutic or diagnostic medical operations for a patient; wireless communication circuitry for conducting wireless communications; a non-rechargeable battery; and device power control circuitry. The device power control circuitry includes at least one capacitor; charging control circuitry for switching between charging the at least one capacitor using the non-rechargeable battery and discharging the at least one capacitor to provide power for device operations. The IMD is configured to maintain a count related to a number of times of discharge of the at least one capacitor to provide an end-of-life estimation for the non-rechargeable battery.

Abstract: A circular polarization filter of a chiral metasurface structure is disclosed including a substrate having a nanograting pattern extending from the substrate, a dielectric layer formed directly on the nanograting pattern, and a plasmonic structure in direct contact with the dielectric layer, where the plasmonic structure may be oriented at a nonzero angle with respect to the nanograting pattern. An integrated polarization filter array is also disclosed including include a linear polarization filter, and a circular polarization filter. Methods of detecting full-stokes polarization using an integrated polarization filter array having both linear and circular polarization filters made from chiral metasurface structures is disclosed. Methods of using a Mueller matrix to evaluate polarization response of any optical device or system is also disclosed.

Abstract: An optical method of characterizing an object comprises providing an object to be characterized, the object having at least one nanoscale feature; illuminating the object with coherent plane wave optical radiation having a wavelength larger than the nanoscale feature; capturing a diffraction intensity pattern of the radiation which is scattered by the object; supplying the diffraction intensity pattern to a neural network trained with a training set of diffraction intensity patterns corresponding to other objects with a same nanoscale feature as the object to be characterized, the neural network configured to recover information about the object from the diffraction intensity pattern; and making a characterization of the object based on the recovered information.

Abstract: A solid dosage component detection method for a solid dosage component measurement device comprises generating a transmitting electromagnetic wave with a terahertz frequency and emitting to a solid dosage component; detecting a receiving electromagnetic wave with a terahertz frequency through the solid dosage component; comparing the transmitting electromagnetic wave incident on the solid dosage component with the receiving electromagnetic wave received from the solid dosage component to detect a plurality of signal characteristics differences between the transmitting and receiving electromagnetic waves; and discriminating polymorphism of a testing pharmaceutical in the solid dosage component, calculating a concentration of the testing pharmaceutical in the solid dosage component, and analyzing a coating layer thickness and a porosity of the solid dosage component based on the plurality of signal characteristics differences.

Abstract: A radiation detector includes a halide semiconductor sandwiched a cathode and an anode and a buffer layer between the halide semiconductor and the anode. The anode comprises a composition selected from: (a) an electrically conducting inorganic-oxide composition, (b) an electrically conducting organic composition, and (c) an organic-inorganic hybrid composition. The buffer layer comprises a composition selected from: (a) a composition distinct from the composition of the anode and including at least one other electrically conducting inorganic-oxide composition, electrically conducting organic composition, or organic-inorganic hybrid composition; (b) a semi-insulating layer selected from: (i) a polymer-based composition; (ii) a perovskite-based composition; (iii) an oxide-semiconductor composition; (iv) a polycrystalline halide semiconductor; (v) a carbide, nitride, phosphide, or sulfide semiconductor; and (vi) a group II-VI or III-V semiconductor; and (c) a component metal of the halide-semiconductor.

Abstract: A beam position monitor is provided, for measuring a position of a beam of charged particles passing through a chamber, the beam position monitor including a first magnetic field sensor and a second magnetic field sensor configured to be installed in the chamber on either side of the beam of charged particles, each magnetic field sensor including a conductive loop, the conductive loop of the first magnetic field sensor and the conductive loop of the second magnetic field sensor being configured to have inductances different from one another. A measurement system and a particle accelerator are also provided.

Abstract: A device for mapping the location of a radio frequency identification (RFID) tag. The device has a substrate, a communication receiver, a near field communication device positioned on the substrate, and a processor positioned on the substrate. The processor receives the location of the RFID tag from a venue by way of the communication receiver, maps a route to the RFID tag, and displays a map of the route. The device may have a plurality of pixel stacks that can display the map.

Abstract: Some embodiments include a system, comprising a hybrid imaging device comprising: a first scintillator; a first detector sensors configured to generate a signal based on photons emitted from the first scintillator; a second scintillator; a second detector sensors configured to generate a signal based on photons emitted from the second scintillator; and a control logic coupled to the first detector layer and the second detector layer; wherein: a material of the first scintillator is different from a material of the second scintillator; the first detector overlaps the second detector; and the control logic is configured to generate dose data in response to the first detector and image data in response to the second detector.

Abstract: Particle radiation therapy and planning utilizing magnetic resonance imaging (MRI) data. Radiation therapy prescription information and patient MRI data can be received and a radiation therapy treatment plan can be determined for use with a particle beam. The treatment plan can utilize the radiation therapy prescription information and the patient MRI data to account for interaction properties of soft tissues in the patient through which the particle beam passes. Patient MRI data may be received from a magnetic resonance imaging system integrated with the particle radiation therapy system. MRI data acquired during treatment may also be utilized to modify or optimize the particle radiation therapy treatment.

Abstract: Disclosed herein is an X-ray detector comprises: an X-ray absorption layer configured to absorb X-ray photons; an electronics layer comprising an electronics system configured to process or interpret signals generated by the X-ray photons incident on the X-ray absorption layer; and a temperature driver in the X-ray absorption layer or the electronics layer.

Abstract: A method includes irradiating printed matter, on which an ink containing a solvent is adhered, with light including a near infrared of a predetermined wavelength range, and measuring a spectrum, and determining a quantity of solvent content contained in the printed matter using a pre-created calibration curve model and the spectrum.

Abstract: A region detection image is obtained by the detection of a subject region of a radiographic image in which radiation is transmitted through a subject and reaches a radiation detection unit and a direct radiation region of the radiographic image in which the radiation directly reaches the radiation detection unit without being transmitted through the subject. A scattered radiation image about scattered radiation components is obtained on the basis of the region detection image and scattered-radiation-spread information about the spread of scattered radiation. A radiographic image from which the scattered radiation components have been removed is obtained by the subtraction of the scattered radiation image from the radiographic image.

Abstract: Sensor housings, modules, and luminaires comprising the same are provided. The sensor housings and modules set forth herein have improved heat sinking abilities for dissipating heat from a sensor while simultaneously facilitating thermal isolation of the sensor. Briefly, a sensor housing described herein comprises a cavity for housing a sensor and a heat sink. The heat sink is configured to dissipate heat from the sensor housing and thermally isolate the sensor housing from other heat generating components, such as other portions of a luminaire.

Abstract: A food preparation device may include at least two energy sources, a chamber into which at least two types of energy are providable via the at least two energy sources, and a cooking controller operably coupled to the at least two energy sources to selectively distribute power to respective ones of the at least two energy sources. The at least two energy sources may include a radio frequency (RF) capacitive heating source and a cold air source.

Abstract: According to an embodiment, a device comprises a direct conversion compound semiconductor layer configured to convert high energy radiation photons into an electric current, the direct conversion compound semiconductor layer comprising: a pixel array positioned in the direct conversion compound semiconductor layer, including pixels located at an outermost circumference, wherein the pixels comprise signal pads; a guard ring encircling the pixel array, wherein the pixels at the outermost circumference are closest to the guard ring; guard ring contact pads, wherein the guard ring contact pads are situated in place of some of the pixel signal pads at the outermost circumference and connected to the guard ring; wherein the guard ring contact pads are further situated asymmetrically with respect to a symmetry x-axis and a symmetry y-axis of the direct conversion compound semiconductor layer.

Abstract: Systems and methods for quantum clock synchronization are provided. Various embodiments can use time-energy and polarization entangled photons to securely extract the absolute time difference between two remote clocks. In some embodiments, two parties can each have a source of entangled photons. Each party can detect one member of the pair locally and time stamp the detection time, while the other photon gets sent over a common channel (single optical mode) to the other party where the transmitted photon is detected and time stamped. The time stamp values can be shared over an open authenticated channel and each receiver can run a cross-correlation of the detection times. The authenticity and non-spoofability of the timing signal are ensured if each party does not just perform a simple time of arrival measurement but also incorporate polarization measurements whose joint values constitute a Bell test.

Abstract: Systems and methods for dynamic optical interferometer locking using entangled photons are provided. In certain embodiments, a system includes an optical source for generating a pair of photons. Also, the system includes first and second emitter/receivers that emit first and second photons towards first and second remote reflectors and receive reflected first and second photons along first and second optical paths. Additionally, the system includes a mode combiner for combining the reflected first photon and second photon into a first and second output port. Moreover, the system includes a coarse adjuster that performs coarse adjustments and a fine adjuster that performs fine adjustments to the first and second optical paths. Further, the system includes a plurality of photodetectors that detect photons from the first and second output ports. Additionally, the system includes a processor that controls the coarse and fine adjustments based on received signals from the photodetectors.

Abstract: Frequency imaging of different areas or object in an image is created by a visible light, infrared or other cameras taking multiple sequential images. The images are recorded and stacked. Pixels that vary in the images yield time varying data on a pixel by pixel basis. The time varying data is processed to extract pixel by pixel signal spectrum or another similar signal metric. Frequency at each pixel is displayed and distinguished, such as by recoloring the pixels based on spectral power rather than intensity contrast.

Abstract: A detector assembly includes a hollow body in which a printed circuit board, a resistive plate, a drilled board, a drift volume, and a cathode are disposed. A surface of the printed circuit board exposed to the resistive plate includes printed circuit lines for measuring first and second coordinates of a charge event. The hollow body can include a sealable opening to remove contaminants outgassed from one or more components of the detector assembly and to fill the hollow body with an operational gas. The sealable opening can be fluidly coupled to a gas and vacuum system to reduce the concentration of the outgassed contaminants.

Abstract: The invention provides a collimator comprising a Fresnel lens comprising a refractive lens portion and a toothed total internal reflection portion. A light blocking element is at least between the lens portion and the light source. A portion of a light source output is blocked from reaching at least one region of the inner lens portion. At some or all parts of the lens portion, light does not reach those parts from the full area of the light source. This partial light blocking means the whole shape of the light source is not projected onto all of the lens portion, and the halo effect is reduced or eliminated.

Abstract: An optical transmitter includes a superconducting driver circuit including at least one Josephson junction, the superconducting driver circuit having a voltage output and having a connection to a circuit ground, a first bias circuit coupled to the voltage output of the superconducting driver circuit, a second bias circuit, wherein the second bias circuit establishes a positive bias voltage relative to the circuit ground, and an electro-optic device having a first end and a second end, wherein the first end of the electro-optic device is coupled to the voltage output of the superconducting driver circuit, and wherein the second end of the electro-optic device is coupled to the second bias circuit.

Abstract: The present invention relates to a system (10) and method for the volumetric and isotopic identification of the spatial distribution of ionizing radiation from point or extensive radioactive sources (3) in radioactive surroundings. More specifically, this system (10) comprises a gamma radiation detector (2) and an optical transducer (1) joined to each other and linked to a control unit to detect the absolute position of radioactive sources (3) relative to a visual reference located in the radioactive surroundings, and to determine the radioactive activity of the sources, that is to say it detects the isotope composition of the radioactive sources (3).

Abstract: An electronic personal dosimeter (EPD) smart accessory system is described. The system includes a first component configured to be attachable to the EPD and a second component configured to be attachable to safety glasses. The first component includes an ambient light sensor and a first communication module. The ambient light sensor detects light from a light-emitting diode (LED) of the EPD to detect a warning signal from the EPD. The second component includes a feedback mechanism and a second communication module. The first communication module establishes a short range wireless communication connection with the second communication module, and transmits a signal to cause the second component to turn on the feedback mechanism when the warning signal from the EPD is detected.

Abstract: A method of manufacturing a radiation detector includes a first step of forming a scintillator layer including a plurality of columnar crystals on a main surface of a sensor panel including a plurality of photoelectric converting elements by a vapor phase deposition method, a second step of forming a resin frame on the main surface to surround the scintillator layer and disposing a frame member made of an inorganic solid material to be in contact with the resin frame along an outer circumference of the resin frame, a third step of sealing the scintillator layer by bonding a protective plate to the resin frame, and a fourth step of curing the resin frame.

Abstract: Disclosed herein is a radiation detector configured to absorb radiation particles incident on a semiconductor single crystal of the radiation detector and to generate positive charge carriers and negative charge carriers in the semiconductor single crystal. The semiconductor single crystal may be a cadmium zinc telluride (CdZnTe) single crystal or a cadmium telluride (CdTe) single crystal. The radiation detector comprises a first electrical contact in electrical contact with the semiconductor single crystal and a second electrical contact surrounding the first electrical contact or the semiconductor single crystal. The first electrical contact is configured to collect the negative charge carriers. The second electrical contact is configured to cause the positive charge carriers to drift out of the semiconductor single crystal.

Abstract: According to one embodiment, a superconducting element used as a pixel for detecting a particle is disclosed. The superconducting element includes at least one superconducting strip. The at least one superconducting strip includes a meandering structure. The meandering structure includes a first portion extending in a first direction and made of a superconducting material, a second portion connected to the first portion, extending in a second direction perpendicular to the first direction, and being conductive, and a third portion connected to the second portion, extending in a direction opposite to the first direction, and made of a superconducting material. A superconducting region of any one of the first portion and the third portion is configured to be divided when the particle is radiated to the first portion.

Abstract: A camera device for a vehicle, including: a camera module that is seated in a housing; a grommet that is installed such that an inner circumferential surface thereof comes into contact with the camera module and an outer circumferential surface thereof comes into contact with the housing; and a cover that is coupled to the housing and the grommet and prevents penetration of moisture along with the grommet.

Abstract: A system and method of protecting individuals from ionizing energy is provided. The system can determine a location of an individual with respect to a source of ionizing energy. Before the source emits ionizing energy, the system can determine patterns of ionizing energy expected to be generated by an expected emission from the source. The system can then determine if an individual is within a danger zone in which the individual is expected to receive a dose of ionizing energy above a predetermined amount. The system may also determine if an individual is outside of an optimal zone in which the individual is expected to receive less than a predetermined dose of ionizing energy without being unnecessarily distant from a working area. The system can provide a warning when an individual is within the danger or inefficient zones. Optionally, the system can prevent the source from emitting ionizing energy when an individual is within the danger zone.

Abstract: A laser scanner comprises a scanner main unit, wherein the scanner main unit has a distance measuring light projecting component for projecting a distance measuring light, a light receiving component for receiving a reflected distance measuring light, a distance measuring component for performing a distance measurement based on a light receiving signal from the light receiving component, an optical axis deflecting unit for deflecting a distance measuring optical axis, a projecting direction detecting unit for detecting a deflection angle of the distance measuring optical axis, a storage component which stores three-dimensional design drawing data of an object to be measured and a control component for controlling the optical axis deflecting unit and the distance measuring component, wherein the control component acquires scanning data by scanning a measurement range and extracts an actual ridge line or an actual intersection point of the object to be measured based on the scanning data.

Abstract: An infrared (IR) imaging module may capture a background image in response to receiving IR radiation from a background of a scene and determine background calibration terms using the background image. The determined background calibration terms may be scale factors and/or offsets that equalize the pixel values of the background image to a baseline, value. IR imaging device may use the background calibration terms to capture images that have the baseline value for pixels corresponding to IR radiation received from the background and higher values (or lower values) for pixels corresponding to IR radiation received from a foreground. Such images may be used to count people and generate a heat map. The background calibration terms may be updated periodically, with the update period being increased at least for some pixels or a pixel area when a person is detected.

Abstract: A system, method, and apparatus are provided for cytometry with dual laser beams. In one example, the method includes directing an incident light beam from a source to enter an optical waveplate; polarizing the incident light beam into a polarized light beam in response to the incident light beam entering through the optical waveplate; directing the polarized light beam to enter a birefringent crystal; separating the polarized light beam into an ordinary light beam and an extraordinary light beam in response to the polarized light beam entering the birefringent crystal; directing the ordinary light beam and the extraordinary light beam to enter a lens; focusing the ordinary light beam and the extraordinary light beam into dual light beams separated by a beam displacement; and coupling the dual light beams to form a sample region having substantially uniform light intensity to analyze moving particles in the particle analyzer.

Abstract: Techniques are disclosed for systems and methods to detect radiation accurately, and particularly in a highly radioactive environment. A system includes a detector module for a radiation detector and a parallel signal analyzer configured to receive radiation detection event signals from the detector module and provide a spectroscopy output and a dose rate output. The parallel signal analyzer may be configured to analyze the radiation detection event signals in parallel in first and second analysis channels according to respective first and second measurement times and determine the spectroscopy output and the dose rate output based on radiation detection event energies determined according to the respective first and second measurement times.

Abstract: The present disclosure relates in general to Diffuse Correlation Spectroscopy system for obtaining an autocorrelation function, and more particular, to a correlator and method for controlling a sampling time period and data length used for calculating an autocorrelation function. The correlator may include, a sampling gate circuit which is open during a variable time period and provides a data sample, a correlation circuit which calculates a correlation function from the data sample provided from the sampling gate circuit, and a parameter determining circuit which determines a sampling time period to be used by the sampling gate circuit based on the correlation function.