Abstract: A fluorescent light microscope for measuring a sample comprises a light source providing transfer light having a transfer wavelength for transferring a fluorescent dye in the sample from one state into another state, and a detector which measures fluorescent light from the sample with spatial resolution. The light source comprises a laser, an optical wave guide connected to the laser, and a wavelength-selective device connected to the optical wave guide. The laser emits pump light of a pump wavelength other than the transfer wavelength and injects the pump light into the optical wave guide.

Abstract: Apparatuses useful in printing and methods of controlling the temperature of surfaces in apparatuses useful in printing are provided. An exemplary embodiment of the apparatuses useful in printing includes a belt including a first surface; at least one heat source for heating the first surface; a roll including a second surface; a temperature sensor positioned to measure a temperature of the second surface; and a roll positioning device coupled to the roll for positioning the second surface of the roll in contact with the first surface of the belt to form a nip and increase the temperature of the second surface, and for positioning the second surface out of contact with the first surface to decrease the temperature of the second surface, in response to the temperature measured by the temperature sensor.

Abstract: A radiation detector device is disclosed and includes a scintillation device having a scintillator crystal. The radiation detector device also includes a photosensor. Further, the radiation detector device includes an optical interface coupled between the scintillation device and the photosensor. The optical interface is electrically conductive.

Abstract: A luminescence sensor, such as a luminescence biosensor or a luminescence chemical sensor, includes a substrate having at least one aperture filled with a medium. The aperture has a first lateral dimension larger than the diffraction limit of excitation radiation in the medium, and a second lateral dimension smaller than the diffraction limit of the excitation radiation in the medium. A method is also provided for the detection of luminescence radiation, e.g. fluorescence radiation, generated by at least one optically variable molecule, e.g. fluorophore, in the at least one aperture. Beneficially, the excitation radiation is polarized to suppress the excitation radiation in the apertures. The luminescence sensor and the method are able to detect relatively low concentrations of optically variable molecules, e.g. fluorophores.

Abstract: A method for measuring properties of an electromagnetic signal includes following steps. An electromagnetic signal measuring device that includes a carbon nanotube structure is provided. The carbon nanotube structure has a plurality of carbon nanotubes. An electromagnetic signal is received by the carbon nanotube structure in the electromagnetic signal measuring device. The intensity of the electromagnetic signal is measured by a sound produced by the carbon nanotube structure.

Abstract: A method for positive emission tomography (PET) target image segmentation is provided. The method comprises capturing and digitizing image data of a selected target, determining an initial concentration ratio based on an initial source background ratio and an initial volume estimate of the selected target employing a concentration ratio table, determining a desired threshold from the initial concentration ratio and the initial volume estimate employing a threshold table, and determining a final volume estimate of the selected target based on the determined desired threshold.

Abstract: A radiation detector with high detection sensitivity. The radiation detector according to the present invention includes an Al2O3 substrate, a Fe2O3 thin film layered on the Al2O3 substrate, a CaxCoO2 (where 0.15<x<0.55) thin film that is layered on the Fe2O3 thin film and that has CoO2 planes that are aligned inclined to the surface of the Al2O3 substrate, a first electrode disposed on the CaxCoO2 thin film, and a second electrode disposed on the CaxCoO2 thin film in a position opposed to the first electrode in the direction in which the CoO2 planes are aligned inclined.

Abstract: An excitation light beam of a wavelength that excites fluorescent labels and a reference light beam having a wavelength longer than the excitation light beam are irradiated through a dielectric block toward an interface between the dielectric block and a metal film, to cause a first electric field enhancing field and a second electric field enhancing field on the upper surface of the metal film, in fluorescence detection that utilizes surface plasmon. The intensity of scattered light of the second electric field enhancing field, which is substantially proportionate to the intensity of the second electric field enhancing field, is employed to normalize and correct the intensity of fluorescence emitted by fluorescent labels with respect to the intensity of the first electric field enhancing field, based on the relationship between the intensities of the first and second electric field enhancing fields.

Abstract: An apparatus for performing non-contact material characterization includes a wafer carrier adapted to hold a plurality of substrates and a material characterization device, such as a device for performing photoluminescence spectroscopy. The apparatus is adapted to perform non-contact material characterization on at least a portion of the wafer carrier, including the substrates disposed thereon.

Abstract: A method for controlling gain of a scintillation detector includes using a reference radiation source and a photomultiplier tube and controlling the gain of the scintillation detector based on the reference radiation source. The controlling includes detecting change in the gain of the scintillation detector, determining an amount of the change in the gain, outputting a control signal to compensate the amount of the change in the gain, and stabilizing the gain against the reference radiation source based on the control signal. A gain control system for controlling gain of a scintillation detector includes computer-readable instructions stored in the memory for causing the processor to detect change in the gain of the scintillation detector determine an amount of the change in the gain, output a control signal to compensate the amount of the change in the gain, and stabilize the gain against the reference radiation source based on the control signal.

Abstract: An infrared motion detector including at least one infra-red radiation sensor, at least one radiation reflecting surface, operative to direct radiation impinging thereon towards the at least one infra-red radiation sensor and at least one coating layer, coating the at least one radiation reflective surface, which is substantially reflective to far infra-red radiation and which strongly absorbs at least one of visible light and near infra-red radiation, wherein the at least one coating layer includes black nickel.

Abstract: A fixing device includes a flexible fixing member that heats a toner image to fuse, a contact member fixedly disposed internal to the fixing member and comes into contact with a pressure member via the fixing member to form a nip part, a plurality of heating devices that heats the contact member, wherein the contact member always maintains the contact state with the pressure member via the fixing member, the plurality of heating devices generally remain disposed in the fixing device under an operational state for heating and are freely removable for replacement under a non-operational state for heating.

Abstract: An imaging system includes a platform having mounted thereon a coded-aperture imaging device and positioned to receive radiation over a baseline, and a computer configured to acquire a plurality of far-field datasets over the baseline, the plurality of far-field datasets comprising data received via the coded-aperture imaging device, form a first image from the plurality of far-field datasets, and form a second image if the first image indicates presence of a source, the second image formed from the plurality of far-field datasets using an estimated source location from the first image and thereby having a higher contrast than the first image.

Abstract: Laser scanner and method images or measures fluorescent samples on specimen slides treated with different fluorescent dyes. Motor-driveable sample table for the slides includes a laser and first optical system creating two laser beams of differing wavelength, a scanner with movable head and an optical deflection element for deflecting the beams toward the sample. Scanner has second optical system for forwarding emission beam bundles to two detectors for detecting emission beam bundles coming from the samples. A drive and counter oscillator connected to the drive by connecting rods drives the head for rapid back-and-forth movement and the counter oscillator has a mass at least equivalent to the head for compensation by opposite movement to the head. The optical deflection element causes spatial separation of two resulting focal points and a spatial separation of the two beam bundles in the direction of the detectors.

Abstract: A radiation image converting panel has a structure capable of arbitrarily controlling a change in luminance distribution of an entire panel surface after formation of a moisture-resistant protective film. The radiation image converting panel comprises a radiation converting film doped with Eu and covered with a moisture-resistant protective film. The Eu concentration in the radiation converting film is preliminarily adjusted such that the Eu concentration at a central portion or peripheral portion of the film falls within an optimal range, and the other film portion is provided with a positive or negative concentration gradient such that the Eu concentration thereof gradually become higher or lower than the optimal range. The luminance distribution of the entire panel in which the moisture-resistant protective film has been formed can be controlled by providing the Eu concentration to be added with a concentration gradient.

Abstract: A method for linearizing a radiation detector is provided, the method including measuring a pulse height spectrum of a predetermined radiation source, identifying at least one spectrum template for the predetermined radiation source, and determining a linearization function by comparing the measured pulse height spectrum with the at least one identified spectrum template. The at least one spectrum template is a predefined synthesized energy spectrum for the predetermined radiation source and for the corresponding radiation detector. Further, a detector for measuring one or more types of radiation is provided, the detector being adapted for transforming the measured pulse height spectrum in an energy-calibrated spectrum, the transformation including a linearization step, where a linearization function used with the linearization step is determined according to the inventive method.

Abstract: The present invention relates to a system for inspection of stacked cargo containers. One embodiment of the invention generally comprises a plurality of stacked cargo containers arranged in rows or tiers, each container having a top, a bottom a first side, a second side, a front end, and a back end; a plurality of spacers arranged in rows or tiers; one or more mobile inspection devices for inspecting the cargo containers, wherein the one or more inspection devices are removeably disposed within the spacers, the inspection means configured to move through the spacers to detect radiation within the containers. The invented system can also be configured to inspect the cargo containers for a variety of other potentially hazardous materials including but not limited to explosive and chemical threats.

Abstract: A nuclear medicine diagnosis apparatus comprising a mechanical collimator for effecting passage in a given direction of photons with given energy emitted from an object injected or dosed with a drug containing a radioactive isotope; a former-stage detector for detecting positional information at a point of reaction of photons having passed through the mechanical collimator and information on the momentum of charged particles generated by the reaction; a latter-stage detector disposed in the subsequent stage of the former-stage detector to detect information on the photons having been scattered by the former-stage detector; and image reconstruction means for reconstructing an image from detection information having been collected from the former-stage detector and latter-stage detector, wherein the image reconstruction means is built so that differentiation is carried out on the information on the photons having passed through the mechanical collimator and the information on the photons having been scattered b

Abstract: An imaging system (10) includes at least one radiation detector unit (16) disposed adjacent a field of view (20) to detect and measure radiation from the field of view (20). The detector unit (16) includes multiple detection modules (18) which each detects radiation from a prespecified region of the field of view (20), each region being a fraction of the field of view. One or more pinholes (52) are associated with the detector unit (16). Each pinhole (52) receives radiation from the prespecified region of the field of view (20) and transmits radiation to one or more associated detection modules (18).

Abstract: A radiation detecting cassette and a radiation image capturing system are provided. A radiation detecting cassette has a radiation detector for detecting a radiation having passed through a patient and converting the detected radiation into radiation image data, a transceiver for transmitting the radiation image data by way of wireless communications, a cassette controller for controlling the radiation detector and the transceiver, a power supply for energizing the radiation detector and the transceiver, and a remaining power supply power level detector for detecting a remaining power level RC [%] of the power supply. The cassette controller includes a data transmission and reception controller. The cassette controller stops transmitting the radiation image data by way of wireless communications and prioritizes the capturing of a radiation image when the detected remaining power level of the power supply is smaller than a predetermined threshold.