Abstract: Various embodiments include a method for facilitating tomographic reconstruction comprising: emitting an x-ray beam from an x-ray unit; ascertaining an attenuation of the x-ray beam during transmission through an object situated in a beam path of the x-ray beam; ascertaining structure data of the object based at least in part on the attenuation of the x-ray beam; and ascertaining a pose of the x-ray unit relative to the object using a digital model of the object and based at least in part on the attenuation of the x-ray beam.

Abstract: The optical concentration measuring device 1 includes: a first optical filter 41; a second optical filter 42; and an operation part 60, wherein a difference between a peak wavelength of the first effective sensitivity spectrum based on the first transmission band in the first light receiving part 51 and a peak wavelength of the second effective sensitivity spectrum based on the second transmission band in the second light receiving part 52 is ±0.2 times or more and ±0.8 times or less the full width at half maximum of the first effective sensitivity spectrum, wherein the operation part removes an attenuation amount of the first intensity by the interference gas and an attenuation amount of the second intensity by the interference gas.

Abstract: Systems and methods for imaging in the short wave infrared (SWIR), photodetectors with low dark current and associated circuits for reducing dark currents and methods for generating image information based on data of a photodetector array. A SWIR imaging system may include a pulsed illumination source operative to emit radiation pulses in the SWIR band towards a target resulting in reflected radiation from the target; (b) an imaging receiver including a plurality of Ge PDs operative to detect the reflected SWIR radiation and a controller, operative to control activation of the receiver for an integration time during which the accumulated dark current noise does not exceed the time independent readout noise.

Abstract: A method of calibrating an optical detector includes positioning a calibration block relative to the optical detector and determining a first calibration point of the detector using the calibration block.

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: A system for biomolecule identification by terahertz sensing, an asymmetric triple split-rectangular (ATSR) metamaterial biosensor, and a method for biomolecule identification by terahertz sensing are presented. The asymmetric triple split-rectangular (ATSR) metamaterial biosensor includes three gap areas which highly confine an electric field. The biosensor includes an E-shaped structure facing an inverted E-shaped structure with gaps between the respective legs. Each leg has a specially designed extension on either side which increases the electric field. A terahertz laser interrogates an analyte upon the metamaterial structure with a plurality of frequencies. The amplitude difference is estimated by an amplitude difference referencing technique. The amplitude difference is matched to a database record to identify the biomolecule analyte.

Abstract: A fluorescence observation apparatus according to an embodiment of the present technology includes a stage, an excitation section, and a spectroscopic imaging section. The stage is capable of supporting a fluorescently stained pathological specimen. The excitation section irradiates the pathological specimen on the stage with a plurality of line illuminations of different wavelengths, the plurality of line illuminations being a plurality of line illuminations situated on different axes and parallel to a certain-axis direction. The spectroscopic imaging section includes at least one imaging device capable of separately receiving pieces of fluorescence respectively excited with the plurality of line illuminations.

Abstract: The disclosed systems and method utilize the autofluorescence, optic imaging, and heat transfer resistance technologies to monitor the same simulated surface area for deposits. The systems and methods may provide continuous monitoring, detection, characterization and quantification of deposits. Utilizing this information, an associated control system may initiate alarms, initiate a chemical treatment operation, and adjust corresponding chemical treatment and preventive protocols to minimize and/or eradicate the issue.

Abstract: A method and device for determining the depth and fluorophore concentration of a fluorophore concentration below the surface of an optically absorbing and scattering medium suitable for use in fluorescence-based surgical guidance such as in tumor resection is described. Long-wavelength stimulus light us used to obtain deep tissue penetration. Recovery of depth is performed by fitting measured modulation amplitudes for each spatial frequency to precomputed modulation amplitudes in a table of modulation amplitudes indexed by optical parameters and depth.

Abstract: An industrial X-ray imaging apparatus including: an X-ray source; an X-ray detector configured to detect X-rays emitted from the X-ray source; a stage which is disposed between the X-ray source and the X-ray detector and is configured to support a subject; and a shielding chamber configured to accommodate the X-ray source, the X-ray detector, and the stage, in which the shielding chamber includes a door for carrying in and out the subject, and a lock mechanism for prohibiting the door from changing to an open state, and in which the X-ray imaging apparatus further includes an unlocking control unit configured to control unlocking of the lock mechanism based on a leakage dose leaking from the shielding chamber to an outside.

Abstract: Systems and methods for scatter correction of x-ray images are provided. A scatter image of an object can be corrected using partial-scatter free images acquired using an aperture plate. The plate is positioned between an object and a radiation detector and includes apertures in a grid. The original x-rays pass through the apertures and scattered x-rays can be blocked by the aperture plate. The aperture plate can be moved to different positions, allowing partial scatter-free images to be acquired at each position of the aperture plate. A full scatter-free image can be generated by combining partial scatter-free images. The scatter and scatter-free images can be further used to train scatter correction models.

Abstract: Systems and methods for measuring or inspecting semiconductor structures using broadband infrared radiation are disclosed. The system may include an illumination source comprising a pump source configured to generate pump light and a nonlinear optical (NLO) assembly configured to generate broadband IR radiation in response to the pump light. The system may also include a detector assembly and a set of optics configured to direct the IR radiation onto a sample and direct a portion of the IR radiation reflected and/or scattered from the sample to the detector assembly.

Abstract: A microscopy device comprises a continuous or pulsed wave laser light source; a pair of parallel mirrors configured to receive light from the light source and reflect an array of incoherent light sheets; a beam encoder (e.g., frequency modulation reticle, Hadamard basis, random modulation pattern) to segment the array of incoherent light sheets and encode each light sheet with a respective frequency in reciprocal space; a lens configured to direct the encoded light sheets towards a biological sample; and an image capturing device configured to receive a fluorescence signal from the biological sample.

Abstract: The present disclosure provides methods for identifying compounds that cause structural changes in a protein bound to an actin filament. The methods include the use of cells that include two actin-binding proteins, each labeled with a chromophore, and exposing the cells to a test compound. The method further includes detecting a change in fluorescence resonance energy transfer (FRET) between the chromophores.

Abstract: A light generator comprises a light conversion device and a light source arranged to apply a light beam to the light conversion element. The light conversion device includes an optoceramic or other solid phosphor element comprising one or more phosphors embedded in a ceramic, glass, or other host, a metal heat sink, and a solder bond attaching the optoceramic phosphor element to the metal heat sink. The optoceramic phosphor element does not undergo cracking in response to the light source applying a light beam of beam energy effective to heat the optoceramic phosphor element to the phosphor quenching point.

Abstract: Embodiments described herein generally relate to: sensing and/or authentication using luminescence imaging; diagnostic assays, systems, and related methods; temporal thermal sensing and related methods; and/or to emissive species, such as those excitable by white light, and related systems and methods.

Abstract: A MEMS infrared sensing device includes a substrate and an infrared sensing element. The infrared sensing element is provided above the substrate and has a sensing area and an infrared absorbing area which do not overlap each other. The infrared sensing element includes two infrared absorbing structures, an infrared sensing layer provided between the two infrared absorbing structures, and an interdigitated electrode structure located in the sensing area. Each of the two infrared absorbing structures includes at least one infrared absorbing layer, and the two infrared absorbing structures are located in the sensing area and the infrared absorbing area. The infrared sensing layer is located in the sensing area and does not extend into the infrared absorbing area. The interdigitated electrode structure is in electrical contact with the infrared sensing layer.

Abstract: An X-ray inspection device includes a casing including an entrance of an object to be inspected, and a door for opening and closing the entrance; an X-ray detector accommodated inside the casing, and configured to detect a stage on which the object is placed, an X-ray source configured to emit an X-ray, and the X-ray that has been emitted from the X-ray source and transmitted through the object placed on the stage; and a driving system including a moving mechanism of the stage; a communication unit connectable with a communication network; a data acquisition unit configured to acquire consumption determination data including at least one of data indicating an operating situation of the driving system or data indicating the number of times of opening and closing the door; and a data transmission unit configured to output the consumption determination data that has been acquired by the data acquisition unit to the communication network via the communication unit.

Abstract: A fluorometer is provided for monitoring the quality of water, featuring an array of excitation sources, an array of multiple emission detectors and a signal processor. In the array of excitation sources, each excitation source provides respective excitation source optical signaling at a respective illuminating wavelength. The array of multiple emission detectors detects multiple emission wavelengths emitted from water containing information about multiple coexisting fluorescent species present in the water that emit optical radiation at at least two different wavelengths when illuminated by the respective illuminating wavelength provided from the array of excitation sources, and provide multiple emission detector signaling containing information about the multiple coexisting fluorescent species.

Abstract: A nuclear medicine diagnosis apparatus according to an embodiment includes a scintillator configured to emit self-radiation, storage, and processing circuitry. The storage stores first detection efficiency correction data that is generated based on an external radiation source or a simulation and first detection efficiency data per scintillator that is calculated based on radiation that is emitted from the scintillator. The processing circuitry calculates second detection efficiency data per scintillator that is calculated based on radiation that is emitted from the scintillator and generates second detection efficiency correction data based on the first detection efficiency correction data, the first detection efficiency data, and the second detection efficiency data.