Patents Assigned to Hamamatsu Photonic K.K.
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Publication number: 20240195150Abstract: A surface-emitting laser device includes a first electrode, a lower cladding layer, an active layer, an upper cladding layer, a relaxation layer, a contacting layer having a bandgap different from that of the upper cladding layer, a second electrode, and a photonic crystal layer provided between the lower cladding layer and the active layer or between the active layer and the upper cladding layer, including a basic region and a plurality of different refractive index regions that differ in refractive index from the basic region and are distributed two-dimensionally in a plane perpendicular to a thickness direction to form a resonance mode of light in the plane. The relaxation layer has a bandgap that is between a bandgap of the upper cladding layer and a bandgap of the contacting layer.Type: ApplicationFiled: March 2, 2022Publication date: June 13, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kazuyoshi HIROSE, Masahiro HITAKA, Hiroki KAMEI, Takahiro SUGIYAMA
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Publication number: 20240196506Abstract: A method and apparatus for generating light includes a chamber having a high voltage region, a low voltage region, and a plasma generation region that defines a plasma confinement region. A magnetic core is positioned around the chamber and is configured to generate a plasma in the plasma confinement region. A switched power supply includes a DC power supply and a switched resonant charging circuit that together generate a plurality of voltage pulses at the output causing a plurality of current pulses to be applied to the power delivery section around the magnetic core so that at least one plasma loop is established around the magnetic core that confines plasma in the plasma confinement region, thereby forming a magnetically confined Z-pinch plasma. Light generated by the Z-pinch plasma propagates out of a port in the light source.Type: ApplicationFiled: December 8, 2022Publication date: June 13, 2024Applicants: Hamamatsu Photonics K.K., Energetiq Technology, Inc.Inventors: Frederick Marvin Niell, III, Donald K. Smith, Matthew M. Besen, Stephen F. Horne, David B. Reisman, Daniel J. Arcaro, Michael J. Roderick
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Publication number: 20240192139Abstract: A measurement device includes: an excitation optical system; an illumination optical system, and an image capturing unit. The illumination optical system includes a light transmission member having a central region that has a first color and a peripheral region that has a second color and surrounds the central region, and the excitation optical system and the illumination optical system are optically connected to each other such that in a field of view of the image capturing unit, an irradiation spot of the excitation light on the subject to be measured is included in a central spot region of the illumination light that has passed through the central region and is surrounded by a peripheral spot region of the illumination light that has passed through the peripheral region.Type: ApplicationFiled: February 9, 2022Publication date: June 13, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kengo SUZUKI, Kenichiro IKEMURA, Kazuya IGUCHI
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Publication number: 20240192483Abstract: An optical device includes a support portion, a movable portion; and a pair of torsion bars. An optical function portion is provided on one surface of the movable portion and a rib portion is provided on the other surface of the movable portion. The rib portion includes eight extending portions of first to eighth extending portions. When setting directions in which the first to eighth extending portions extend as first to eighth extending directions respectively, and setting an angle between the first and second extending directions as a first angle, an angle between the third and fourth extending directions as a second angle, an angle between the fifth and sixth extending directions as a third angle, and an angle between the seventh and eighth extending directions as a fourth angle, each of the first and second angle is larger than each of the third and fourth angle.Type: ApplicationFiled: February 22, 2024Publication date: June 13, 2024Applicant: Hamamatsu Photonics K.K.Inventors: Tatsuya SUGIMOTO, Tomofumi SUZUKI, Kyosuke KOTANI, Yutaka KURAMOTO, Daiki SUZUKI
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Publication number: 20240194454Abstract: An ultraviolet light source with direct feed gas injection includes a chamber comprising a plasma confinement region and defining an aperture adjacent to the plasma confinement region that passes light generated by the plasma. A magnetic core is positioned around the plasma confinement region and is configured to generate a plurality of plasma current loops that converges in the plasma confinement region during operation. A feed gas injector is coupled to a gas port in the chamber and has an output that is positioned proximate to a boundary of the plasma confinement region so that the feed gas injector provides a feed gas to the plasma confinement region that creates a differential pressure in the plasma confinement region. A high voltage region is coupled to the plasma confinement region. An exhaust port is configured to be coupled to a pump that controls a pressure in the chamber.Type: ApplicationFiled: December 8, 2022Publication date: June 13, 2024Applicants: Hamamatsu Photonics K.K., Energetiq Technology, Inc.Inventors: Donald K. Smith, Stephen F. Horne, Michael J. Roderick, Kosuke Saito, Wolfram Neff
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Publication number: 20240192082Abstract: A dispersion measuring device includes a pulse forming unit, a light detection unit, a control unit, and an arithmetic operation unit. The control unit selectively outputs a first phase pattern and a second phase pattern. The pulse forming unit forms an optical pulse train from initial pulsed light, the optical pulse train including a plurality of optical pulses having a time difference from each other and having different center wavelengths from each other. The light detection unit detects a temporal waveform of the optical pulse train. The arithmetic operation unit estimates a wavelength dispersion amount of a measurement object based on a feature amount of the temporal waveform of the optical pulse train. When the first phase pattern is output, a pulse having a long center wavelength is generated first. When the second phase pattern is output, a pulse having a short center wavelength is generated first.Type: ApplicationFiled: March 14, 2022Publication date: June 13, 2024Applicants: HAMAMATSU PHOTONICS K.K., HAMAMATSU PHOTONICS K.K.Inventors: Koyo WATANABE, Hisanari TAKAHASHI, Takashi INOUE
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Publication number: 20240190695Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts. An outer edge of the second connection portions includes a protrusion portion protruding in a second axis direction. The outer edge of the protrusion portion includes a linear portion extending in a first axis direction and a pair of curved portions positioned on both ends of the linear portion.Type: ApplicationFiled: February 21, 2024Publication date: June 13, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Naoto SAKURAI
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Publication number: 20240190699Abstract: An actuator device includes a support portion, a movable portion, a connection portion, a first wiring provided to the connection portion, a second wiring provided to the movable portion, a first insulation layer which includes a first opening exposing a surface opposite to the movable portion in a first connection part located at the movable portion in one wiring of the first and second wirings, a second insulation layer covering the first and second wirings. The other wiring of the first and second wirings is connected to the surface of the first connection part in the first opening. A region corresponding to a corner of the other wiring of the first and second wirings in a surface opposite to the movable portion in the second insulation layer is curved in a convex shape toward an opposite side to the movable portion.Type: ApplicationFiled: February 20, 2024Publication date: June 13, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Sadaharu TAKIMOTO, Yuki MORINAGA, Daiki SUZUKI, Yoshihisa WARASHINA
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Publication number: 20240194816Abstract: A method of manufacturing an optical detection element includes: a first process of forming an amorphous semiconductor layer on a support; a second process of forming a first metal layer on the semiconductor layer; a third process of carrying out a heat treatment so that the semiconductor layer is polycrystallized and the semiconductor layer and the first metal layer are interchanged with each other, thereby forming the first metal layer on the support and forming a polycrystalline photoelectric conversion layer on the first metal layer; and a fourth process of forming a second metal layer on the photoelectric conversion layer. In the fourth process, the second metal layer is formed so that a width of the second metal layer becomes a width with which surface plasmon resonance occurs due to incidence of light in a predetermined wavelength region.Type: ApplicationFiled: December 5, 2023Publication date: June 13, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kazutoshi NAKAJIMA, Wei DONG, Hiroyasu FUJIWARA
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Publication number: 20240181560Abstract: A laser machining method performed by a laser machining device includes: a first step of flattening an irradiation surface through laser annealing by irradiating a surface or a back surface of an object with a laser beam, the object including a functional element layer on a surface side; and a second step of forming a modified layer inside the object by irradiating the irradiation surface, which is flattened in the first step, with a laser beam. A pulse pitch of the laser beam is shorter than a pulse pitch of the laser beam.Type: ApplicationFiled: March 1, 2022Publication date: June 6, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Takeshi SAKAMOTO, Yo SUGIMOTO
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Publication number: 20240183795Abstract: A measuring device includes: an integrating sphere; an excitation optical system; a light detector; and a first detection optical system. The optical axis of the excitation light incident on the subject to be measured in the integrating sphere in the excitation optical system and the optical axis of the light to be measured that is emitted from the integrating sphere in the first detection optical system obliquely intersect with each other, the first detection optical system has an opening portion that limits a detection range of the light to be measured in the light detector, and an irradiation spot of the excitation light on the subject to be measured and the opening portion are in an optically conjugate relationship.Type: ApplicationFiled: February 18, 2022Publication date: June 6, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kenichiro IKEMURA, Kengo SUZUKI, Kazuya IGUCHI, Akihiro NAKAMURA
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Publication number: 20240184090Abstract: A sample observation device includes an irradiation optical system that emits planar light and having different wavelengths so as to pass through cross sections at different positions of the sample, a scanning unit that scans the sample with respect to the irradiation surfaces and, an imaging optical system that has an observation axis inclined with respect to the irradiation surfaces and images each of light images of observation light, an image acquiring unit that acquires each of first image data and second image data during scanning of the sample by the scanning unit, and an image generating unit that generates observation image data and the sample on the basis of the first image data and the second image data.Type: ApplicationFiled: March 17, 2022Publication date: June 6, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventor: Satoshi YAMAMOTO
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Publication number: 20240184103Abstract: A control device includes: an acquisition unit that acquires, for an intensity image obtained by observing an action caused by light corrected using a spatial light modulator based on a Zernike coefficient, an intensity distribution that is a distribution of intensities in a plurality of regions of interest within a predetermined range on the intensity image; a generation unit that calculates a comparison result between the intensity distribution and a target distribution to generate comparison data; and a prediction unit that predicts a Zernike coefficient, which is for performing aberration correction related to the light so that the intensity distribution approaches the target distribution, by inputting the comparison data and the Zernike coefficient, which is a basis of the intensity distribution, to a learning model.Type: ApplicationFiled: January 13, 2022Publication date: June 6, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Masashi FUKUHARA, Yu HASHIMOTO, Kazuya SUZUKI, Tomoko HYODO
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Publication number: 20240188408Abstract: A method for manufacturing an organic semiconductor element includes a process of forming a first terminal on a main surface of a substrate, a process of forming a first electrode on the main surface, a process of forming an organic semiconductor layer on the first electrode, a process of forming a second electrode on the organic semiconductor layer, a process of forming a sacrificial layer in a predetermined region on the main surface, a process of forming a barrier layer on the main surface by an ALD method to cover the first terminal, the first electrode, the second electrode, the organic semiconductor layer, and the sacrificial layer, and a process of removing the sacrificial layer and a portion of the barrier layer that covers the sacrificial layer. The organic semiconductor layer and the sacrificial layer are apart from each other after the process of forming the barrier layer.Type: ApplicationFiled: November 6, 2023Publication date: June 6, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kosuke HIRONAKA, Shigeo HARA
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Publication number: 20240185125Abstract: A control device includes: an acquisition unit that acquires an intensity distribution along a predetermined direction for an intensity image obtained by observing an action caused by light corrected using a spatial light modulator based on a Zernike coefficient; a generation unit that calculates a comparison result between the intensity distribution and a target distribution to generate comparison data; and a prediction unit that predicts a Zernike coefficient, which is for performing aberration correction related to the light so that the intensity distribution approaches the target distribution, by inputting the comparison data and the Zernike coefficient, which is a basis of the intensity distribution, to a learning model.Type: ApplicationFiled: January 13, 2022Publication date: June 6, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Masashi FUKUHARA, Yu HASHIMOTO, Kazuya SUZUKI, Tomoko HYODO
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Patent number: 12000962Abstract: An optical module includes a support, a movable part supported by the support so as to be swingable about an axis, a mirror provided to the movable part, a drive coil provided to the movable part, a temperature monitoring element provided to the support, and a magnet that generates a magnetic field acting on the drive coil. The support is thermally connected to the magnet.Type: GrantFiled: December 29, 2022Date of Patent: June 4, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Yuki Morinaga, Daiki Suzuki
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Patent number: 12000779Abstract: An optical detector includes a semiconductor base portion of a first conductivity type having a first surface and a second surface and provided with a projection projecting from the second surface, a first metal electrode layer provided on the first surface or the second surface of the semiconductor base portion, a semiconductor layer of a second conductivity type having a first portion covering the second surface of the semiconductor base portion and second portions covering side surfaces of the projection, and a second metal electrode layer provided in close contact with the second semiconductor layer such that the projection and the second portions of the second semiconductor layer are interposed therebetween. An MIM resonator is constituted by the projection, the second portions of the second semiconductor layer, and the second metal electrode layer between which the projection and the second portions of the semiconductor layer are interposed.Type: GrantFiled: December 7, 2021Date of Patent: June 4, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventor: Wei Dong
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Publication number: 20240178249Abstract: A light detection device includes: a back-illuminated light receiving element; a circuit element; a connection member; an underfill; and a light shielding mask. The light shielding mask includes a frame having an opening and a light shielding layer formed on an inner surface of the opening. A first opening edge on the side of the circuit element in the opening is located at the outside of an outer edge of the light receiving element. A second opening edge opposite to the circuit element in the opening is located at the inside of the outer edge of the light receiving element. The opening is narrowed from the first opening edge toward the second opening edge. A width of the frame increases from the first opening edge toward the second opening edge. The underfill reaches a gap between the light receiving element and the light shielding layer.Type: ApplicationFiled: February 5, 2024Publication date: May 30, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Nao INOUE, Ryosuke Koike, Haruyuki Nakayama
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Publication number: 20240175825Abstract: A measuring device includes: an excitation light source; an integrating sphere; an excitation optical system; a light detector; and a first detection optical system, wherein the first detection optical system has an opening portion, the excitation optical system and the first detection optical system have a separation optical element, a first converging element, and a second converging element, wherein the optical axis of the excitation light incident on the subject to be measured and the optical axis of the light to be measured emitted from the integrating sphere obliquely intersect with each other by means of the separation optical element and the first converging element, and wherein an irradiation spot and the opening portion are in an optically conjugate relationship by means of the first converging element and the second converging element.Type: ApplicationFiled: February 18, 2022Publication date: May 30, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kenichiro IKEMURA, Kengo SUZUKI, Kazuya IGUCHI, Akihiro NAKAMURA
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Publication number: 20240175811Abstract: An ATR apparatus includes a prism having a reflection surface, a holding unit holding a sample including a suspension on the reflection surface, and an adjustment unit adjusting a fluidal state of the sample held on the reflection surface. The adjustment unit adjusts the fluidal state of the sample to a first fluidal state in order to acquire a first detection result relating to the sample in the first fluidal state and adjusts the fluidal state of the sample to a second fluidal state in order to acquire a second detection result relating to the sample in the second fluidal state.Type: ApplicationFiled: January 31, 2022Publication date: May 30, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kazuki HORITA, Kouichiro AKIYAMA, Yoichi KAWADA, Hiroshi SATOZONO