Abstract:
A blood coagulation analyzer and analyzing method perform following: (a) preparing a measurement specimen by dispensing a blood specimen and a reagent into a reaction container; (b) emitting light of a plurality of wavelengths to the measurement specimen in the reaction container, the wavelengths comprising a first wavelength for use in a measurement by a blood coagulation time method, and at least one of a second wavelength for use in a measurement by a synthetic substrate method and a third wavelength for use in a measurement by an immunoturbidimetric method; (c) detecting light of a plurality of wavelengths corresponding to the light emitted in (b), from the measurement specimen, by a light receiving element, and acquiring data corresponding to each wavelength; and (d) conducting an analysis based on the data corresponding to one of the wavelengths among the acquired data, and acquiring a result of the analysis.
Abstract:
A distributed gas detection system includes one or more hollow core fibers disposed in different locations, one or more solid core fibers optically coupled with the one or more hollow core fibers and configured to receive light of one or more wavelengths from a light source, and an interrogator device configured to receive at least some of the light propagating through the one or more solid core fibers and the one or more hollow core fibers. The interrogator device is configured to identify a location of a presence of a gas-of-interest by examining absorption of at least one of the wavelengths of the light at least one of the hollow core fibers.
Abstract:
In the present invention, a fluorescent substance detection system (S) for detecting fluorescent substances in any environment is provided. Said detection system (S) comprises at least one illumination unit (1) which emits light to said environment in order to excite said substances; detection units (2), at least at a number equal to the number of types of fluorescent substances, for detecting emissions coming from said excited fluorescent substances and bandpass filters (3), each connected to detection units (2) one by one, wherein bandpass filters (3) have a center wavelength matched to the center emission wavelength of corresponding fluorescent substance.
Abstract:
A controller of an optical measurement apparatus causes, in a condition that a rotational speed of a rotary body is controlled so that the speed is a specified value, a light source to generate light having a constant intensity and apply the light to an irradiation region, and acquires first timing information based on a change with time of an intensity of reflected light or transmitted light that is output from a second detection unit receiving the reflected light or transmitted light of the applied light. The controller causes the light source to periodically generate pulsed light in accordance with the first timing information and apply the pulsed light to the irradiation region, and acquires second timing information based on a result which is output from the first detection unit whose measurement is periodically enabled in accordance with the first timing information.
Abstract:
An image processing apparatus includes: an image acquiring unit configured to acquire image information representing an image acquired by irradiating a gland duct with excitation light and observing fluorescence generated in the gland duct; a fluorescence intensity computation unit configured to compute a value corresponding to intensity of the fluorescence as fluorescence intensity based on the image information; and an image determination unit configured to determine whether or not an endocrine cell exists in the gland duct based on the fluorescence intensity computed by the fluorescence intensity computation unit, and to determine abnormality of the gland duct based on a determination result of the endocrine cell.
Abstract:
The present invention pertains to a method and apparatus for pressure sore detection. A modulated optical signal based on a digital code sequence is transmitted to human tissue. A temporal transfer characteristic is derived from the modulated optical signal. Tissue characteristics is determined based on the temporal transfer characteristic.
Abstract:
An optical system for sensing an environmental parameter, comprising: an optical pulse generator for generating an excitation pulse; a pulse splitter for splitting the excitation pulse into a sensing pulse and a reference pulse; a sensing arm for receiving the sensing pulse, the sensing arm comprising an emission sensor for sensing the environmental parameter, the optical emission sensor generating a first measurement pulse having a measurement wavelength; a reference arm for receiving the reference pulse, the reference arm comprising an emission artifact adapted to convert the reference pulse into a second measurement pulse having the measurement wavelength; a time delay line for delaying a relative propagation of the measurement pulses; a light detector for measuring an optical energy of the first and second measurement pulses; and an optical link for optically connecting the pulse generator to the pulse splitter, and the sensing and reference arms to the light detector.
Abstract:
An apparatus includes a light source that generates light; a light irradiation unit that causes an acoustic wave to be generated from an object by irradiating a light irradiation region on a surface of the object with the light; a reception unit that receives the acoustic wave; an acoustic lens that is disposed such that the reception unit can selectively receive the acoustic wave from a predetermined direction; a moving unit that moves a focal point of the acoustic lens inside the object in an in-plane direction of the light irradiation region; and an acquisition unit that acquires information on a characteristic of the object based on the reception result of the reception unit, wherein the size of the focal point formed by the acoustic lens is smaller than the light irradiation region.
Abstract:
An analytical instrument may have multiple distinct channels. Such may include one or more illumination sources and sensors. Illumination may be delivered to specific locations of a specimen holder, and returned illumination may be delivered to specific locations of a sensor array. Illumination may first pass a specimen, and a mirror or reflector may then return the illumination past the specimen. Optical splitters may be employed to couple pairs of fiber optics proximate a specimen holder. Such channels may further include a plurality of illumination sources positioned on one side of a specimen holder and a plurality of sensors on the other side. The plurality of sensor may capture image of a specimen and a spectrophotometer may concurrently scan the specimen. A plurality of specimens may be imaged and scanned in a single pass of a plurality of passes. Spherical or ball lenses may be placed in an optical path of the illumination to achieve a desired illumination pattern.
Abstract:
An optical system for sensing an environmental parameter, comprising: a pulse generator for generating a first pulse having a first wavelength and a second pulse having a second wavelength; a pulse splitter for splitting each one of the first and second pulse into a sensing pulse and a reference pulse; a sensing arm for receiving the sensing pulses therefrom and comprising a spectro-ratiometric sensor; a reference arm for receiving the reference pulses; a time delay line for delaying a relative propagation of the sensing pulses and the reference pulses; a light detector for measuring an optical energy of the sensing pulse and the reference pulse, for the first and second wavelengths; and at least one optical link for optically connecting the pulse generator to the pulse splitter, and the sensing and reference arms to the light detector.