Canon Kabushiki Kaisha

Tdk Corporation

Sae Magnetics (h.k.) Limited

Shigeru Ichihara

Shuichi Kobayashi

Yuki Yonetani

Toru Den

Yasuhiro Sekine

Katsumi Nakagawa

Keishi Saito

Yasufumi Asao

Yasuhiro Someda

Tohru Den

Atsushi Yamaguchi

Nobuhiro Yasui

Yukio Furukawa

Tetsuya Mino

Seiji Yari

Makoto Kawaguchi

Akira Yamamoto

Tetsuya Roppongi

Tatsuya Saito

Naoto Matono

Kazuhiko Fukutani

Takashi Nakamura

Miki Ueda

Shuichi Okawa

Aya Imada

Takahiro Masumura

Kaoru Konakahara

Yasuhisa Shigehara

Akihiro Oda

Shuichi Kobayasho

An identification apparatus includes a plurality of light collection optical systems configured to collect scattered light from a plurality of test substances, a spectroscopic element configured to disperse a plurality of light beams from the plurality of light collection optical systems, an imaging unit including a plurality of light receiving elements arrayed in a row direction and a column direction, and configured to receive a plurality of dispersion spectra projected from the spectroscopic element and projected in the row direction, an acquisition unit configured to acquire spectroscopic information of at least any of the plurality of test substances based on an output signal from the imaging unit, and an intensification processing unit configured to perform row direction binning processing including integrating output signals of the plurality of light receiving elements existing at different positions in the row direction.

Identification apparatus

Provided is an identification apparatus wherein each spectral light beam corresponding to a predetermined wavenumber shift is projected to the imaging portion) so that a distance between a projection position of the spectral light beam corresponding to the predetermined wavenumber shift on the imaging portion and a changed projection position as a result of the different excitation wavelength is shorter than a distance at the imaging lens between an optical path of the spectral light beam corresponding to the predetermined wavenumber shift and a changed optical path as a result of the different excitation wavelength.

An identification apparatus includes a window unit including a passage surface on an upper side configured to allow a sample supplied from a conveyance unit to slide along and pass on the passage surface, a light irradiation unit disposed below the window unit, spaced a certain distance from the passage surface, and configured to irradiate the sample with a primary light through the window unit, a light collection unit disposed below the window unit and configured to collect a secondary light from the sample through the window unit, and an acquisition unit configured to acquire identification information for identifying a property of the sample based on the secondary light collected by the light collection unit.

Identification apparatus and identification method

An identification apparatus includes a plurality of collecting units configured to collect scattered light from a plurality of test items, a first spectroscopic unit configured to disperse light from part of the plurality of collecting units, a second spectroscopic unit configured to disperse light from a remaining part of the plurality of collecting units, an imaging unit configured to acquire a first spectrum projected from the first spectroscopic unit and a second spectrum projected from the second spectroscopic unit, the imaging unit including a plurality of light receiving elements arranged at least in a first direction, and an acquisition unit configured to acquire information about the test items based on an output signal from the imaging unit. One of a wavenumber of the first spectrum and a wavenumber of the second spectrum in the first direction increases while the other one decreases.

An identification apparatus includes: a plurality of light capturing units including light-capturing optical systems configured to capture a plurality of Raman scattered light fluxes from a sample, an optical fiber unit configured to include a plurality of optical fibers configured to respectively guide the captured Raman scattered light fluxes and in which the optical fibers are bundled at emission end portions thereof; a spectral element configured to disperse the guided Raman scattered light fluxes; an imaging unit configured to receive the dispersed Raman scattered light fluxes; and a data processor configured to acquire spectral data of the Raman scattered light fluxes from the imaging unit and configured to perform an identification process. The Raman scattered light fluxes dispersed by the spectral element are projected so that a spectral image formed on a light-receiving surface of the imaging unit extends along a main scanning direction of the imaging unit.

Identification apparatus and sorting system

An identification apparatus identifies the kind of an object to be conveyed by a conveyor and includes an illumination optical system illuminating the object with light from a light source, a light capturing optical system capturing Raman-scattered light from the object, a spectral element dispersing the Raman-scattered light, a light-receiving element receiving the Raman-scattered light dispersed by the spectral element, and a data-processing unit acquiring spectral data of the Raman-scattered light from the light-receiving element and performs an identification process. An optical axis of the illumination optical system and an optical axis of the light capturing optical system intersect each other. The illumination optical system is an imaging optical system that has a numerical aperture for the conveyance surface smaller than that of the light capturing optical system for the conveyance surface, or a collimator optical system that converts the light from the light source into parallel light.

Identification apparatus, identification system, and resin-selecting system

Provided are an ultrasonic probe capable of forming an image without degradation even when the frequency band of a photoacoustic wave and the frequency band of an ultrasonic wave used in ultrasonography are separated from each other, and an inspection object imaging apparatus including the ultrasonic probe. The ultrasonic probe includes a first array device capable of transmitting and receiving an ultrasonic wave; and a second array device capable of receiving a photoacoustic wave. The first array device includes plural electromechanical transducers arranged in a direction perpendicular to a scanning direction, the second array device includes plural electromechanical transducers arranged in a two-dimensional manner, and the first array device and the second array device are provided on the same plane and in the scanning direction.

Ultrasonic probe, and photoacoustic-ultrasonic system and inspection object imaging apparatus including the ultrasonic probe

A photoacoustic measuring apparatus includes a light source, a movable holding unit which holds an object, a light diffusing unit which fixes the distance between the light diffusing unit and the holding unit and diffuses light incident from the light source, and an acoustic wave obtaining unit which obtains an acoustic wave generated from the object by the light emitted via the holding unit and the light diffusing unit.

Photoacoustic measuring apparatus

A photoacoustic wave measuring apparatus, having: a probe including a plurality of devices which detect an acoustic wave generated by irradiating light onto an object; and a signal processor which acquires information about the object on the basis of an acoustic wave received by the devices, wherein the light is irradiated onto the object from the probe side; the probe includes: bright-field devices having a view angle covering a bright-field illumination area, which is an area where the light is irradiated, on the probe-side surface of the object; and dark-field devices having a field of view which does not cover the bright-field illumination area; and the signal processor uses an acoustic wave received by the dark-field devices when acquiring information about the object on the basis of a acoustic wave received before a predetermined time period is elapsed since the irradiation of light onto the object.

Photoacoustic wave measuring apparatus

An object information acquiring apparatus is used which includes a laser medium that oscillates laser light, an excitation source that excites the laser medium, a voltage accumulator that applies a voltage to the excitation source, a voltage supplier that supplies a voltage to the voltage accumulator, a voltage controller that limits a maximum supplied voltage from the voltage supplier, a receiver that receives a photoacoustic wave generated by an object irradiated with the laser light, and a constructor that acquires characteristic information relating to the object in use of the photoacoustic wave, wherein the voltage controller compares a measured voltage value obtained by implementing division of a supplied voltage from the voltage supplier with a reference voltage value defining the maximum supplied voltage.

Object information acquiring apparatus, laser apparatus, and medical apparatus

A laser apparatus includes a laser medium; a light source that radiates light to the laser medium, thereby exciting the laser medium and raising the temperature thereof; a reflecting unit having a first plane that reflects light within a predetermined wavelength range from light generated by excitation of the laser medium; and an output mirror disposed opposite the reflecting unit, with the laser medium being interposed therebetween, and causing laser oscillation by inducing resonance of the light within a predetermined wavelength range between the first plane and the output mirror. The reflecting unit is configured to be movable between a position in which light resonance is induced between the output mirror and the first plane and the laser apparatus is set to an oscillation state and a position in which the laser apparatus is set to a non-oscillation state.

Laser apparatus and photoacoustic apparatus

The present invention uses a laser apparatus capable of selecting a wavelength of light to be outputted from a plurality of wavelengths, including: a branching unit which is formed of a polarizer and is configured to branch an optical path formed in a resonator including a reflecting unit having a plurality of fixed reflecting planes and an output mirror, into a plurality of optical paths, thereby forming a common optical path having an end defined by the output mirror and a plurality of optical path branches each having an end defined by any one of the reflecting planes; a laser medium disposed in the common optical path; and a selecting unit configured to select, from the plurality of optical path branches, an optical path branch which corresponds to a wavelength of light to be outputted.

Laser apparatus and control method therefor

A laser apparatus that allows selection of a wavelength of output light from a plurality of options. The laser apparatus includes: a resonator made up from an output mirror and reflection means having a plurality of reflective surfaces fixed in position; a laser medium disposed on an optical axis inside the resonator; branch means branching an optical path of a light beam formed on the optical axis when light oscillates in the laser medium into a plurality of optical paths having an end at one reflective surface of the reflection means, the branch means forming a first optical path coinciding with the optical axis when located out of the optical axis, and forming a branch path by moving the light of the optical axis parallel when located on the optical axis.

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Tokyo, Japan

Shigeru Ichihara