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公开(公告)号：US20180347537A1
公开(公告)日：2018-12-06
申请号：US15988166
申请日：2018-05-24
CPC分类号： F02P23/04 , H01S3/00 , H01S3/0941 , H01S3/113 , H01S5/42
摘要： A laser device includes a light source device including a semiconductor laser; and a laser cavity irradiated with light from the light source device and including a saturable absorber. A beam waist diameter r of the light that irradiates the laser cavity and an initial transmittance T0 of the saturable absorber satisfy a relationship of 7.75×T04−7.77×T03+3.13×T02+0.16×T0+0.74≤r≤2.62×T0+0.675.
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公开(公告)号：US20160094009A1
公开(公告)日：2016-03-31
申请号：US14869336
申请日：2015-09-29
申请人： Kazuma IZUMIYA , Tsuyoshi SUZUDO , Naoto JIKUTANI , Yasuhiro HIGASHI , Kentaroh HAGITA , Masayuki NUMATA , Nobuyuki ARAI
发明人： Kazuma IZUMIYA , Tsuyoshi SUZUDO , Naoto JIKUTANI , Yasuhiro HIGASHI , Kentaroh HAGITA , Masayuki NUMATA , Nobuyuki ARAI
CPC分类号： H01S3/113 , F02P23/04 , G02B27/0955 , H01S3/0612 , H01S3/0627 , H01S3/06708 , H01S3/094049 , H01S3/094053 , H01S3/09415 , H01S3/1611 , H01S3/1643 , H01S5/005 , H01S5/02284 , H01S5/183 , H01S5/423
摘要： A laser device is provided including a surface emitting laser array configured to emit light, an optical system disposed in an optical path of light that is emitted from the surface emitting laser, a laser resonator which the light passed through the optical system enters, where the optical system includes a first optical element configured to collimate the light emitted from the surface emitting laser, and a second optical element configured to collect and condense the light collimated by the first optical element.
摘要翻译： 提供一种激光装置，包括配置成发光的表面发射激光器阵列，设置在从表面发射激光器发射的光的光路中的光学系统，通过光学系统的光进入的激光谐振器，其中 光学系统包括被配置为准直从表面发射激光器发射的光的第一光学元件和被配置为收集并冷凝由第一光学元件准直的光的第二光学元件。
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公开(公告)号：US20160094006A1
公开(公告)日：2016-03-31
申请号：US14863803
申请日：2015-09-24
申请人： Kentaroh HAGITA , Tsuyoshi SUZUDO , Yasuhiro HIGASHI , Naoto JIKUTANI , Masayuki NUMATA , Kazuma IZUMIYA
发明人： Kentaroh HAGITA , Tsuyoshi SUZUDO , Yasuhiro HIGASHI , Naoto JIKUTANI , Masayuki NUMATA , Kazuma IZUMIYA
CPC分类号： H01S3/106 , F02P23/04 , G02B27/40 , H01S3/005 , H01S3/025 , H01S3/0612 , H01S3/0627 , H01S3/094053 , H01S3/09415 , H01S3/1022 , H01S3/11 , H01S3/113 , H01S3/1611 , H01S3/1643 , H01S5/183 , H01S5/423
摘要： A laser device is provided including a light source configured to emit light, a light transmission member configured to transmit the light emitted from the light source, a plurality of optical elements disposed in an optical path of the light transmitted by the light transmission member, a laser resonator which the light passed through the plurality of optical elements enter, and an adjuster configured to adjust a position of at least one of the plurality of optical elements.
摘要翻译： 提供一种激光装置，包括配置为发光的光源，被配置为透射从光源发射的光的光传输部件，设置在由光传输部件透射的光的光路中的多个光学元件， 通过多个光学元件的光进入的激光谐振器和被配置为调节多个光学元件中的至少一个的位置的调节器。
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公开(公告)号：US20160094003A1
公开(公告)日：2016-03-31
申请号：US14859797
申请日：2015-09-21
申请人： Masayuki NUMATA , Kentaroh HAGITA , Kazuma IZUMIYA , Naoto JIKUTANI , Yasuhiro HIGASHI , Tsuyoshi SUZUDO
发明人： Masayuki NUMATA , Kentaroh HAGITA , Kazuma IZUMIYA , Naoto JIKUTANI , Yasuhiro HIGASHI , Tsuyoshi SUZUDO
IPC分类号： H01S3/00 , F02P23/04 , H01S3/16 , H01S3/0941 , H01S3/094
CPC分类号： H01S3/005 , F02P23/04 , G02B19/0014 , G02B27/0916 , G02B27/095 , G02B27/30 , H01S3/0007 , H01S3/0621 , H01S3/0627 , H01S3/094053 , H01S3/0941 , H01S3/09415 , H01S3/113 , H01S3/1611 , H01S3/1643 , H01S3/1685 , H01S5/423
摘要： A laser device is provided including a light source configured to emit light, a laser resonator which the light emitted from the light source enters, a first optical element configured to increase a divergence angle of the light emitted from the laser resonator, a second optical element configured to collimate the light whose divergence angle is increased by the first optical element, and a third optical element configured to collect and condense the light collimated by the second optical element.
摘要翻译： 提供了一种激光装置，包括配置为发光的光源，从光源发射的光进入的激光谐振器，被配置为增加从激光谐振器发射的光的发散角的第一光学元件，第二光学元件 被配置为使由第一光学元件增加发散角的光准直;以及第三光学元件，被配置为收集并冷凝由第二光学元件准直的光。
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公开(公告)号：US20190226387A1
公开(公告)日：2019-07-25
申请号：US16253694
申请日：2019-01-22
摘要： An ignition device configured to ignite a fuel included in an air-fuel mixture supplied to a main combustion chamber of an internal combustion engine. The ignition device includes a partition member that forms a precombustion chamber that encloses an ignition point of a fuel. The partition member has a plurality of communicating holes communicating between the main combustion chamber and the precombustion chamber. The ignition device further includes a first interference member that protrudes inward from an inner surface of the partition member.
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公开(公告)号：US20180226764A1
公开(公告)日：2018-08-09
申请号：US15889434
申请日：2018-02-06
申请人： Kentaroh HAGITA , Yoichi Ishikawa , Naoto Jikutani , Toshiyuki Ikeoh , Yuzuru Sasaki , Yusuke Okura
发明人： Kentaroh HAGITA , Yoichi Ishikawa , Naoto Jikutani , Toshiyuki Ikeoh , Yuzuru Sasaki , Yusuke Okura
CPC分类号： H01S3/034 , F02P13/00 , F02P23/04 , G02B1/118 , H01S3/005 , H01S3/025 , H01S3/0606 , H01S3/0627 , H01S3/094053 , H01S3/094057 , H01S3/09415 , H01S3/113 , H01S3/1643 , H01S3/1685 , H01S5/423 , H01T13/06
摘要： Laser devices include a light source that emits a laser beam, an optical system that concentrates the laser beam emitted from the light source, an optical window through which the laser beam exited from the optical system passes, a housing that accommodates the optical system, and an optical window holding member fixed to the housing. The optical window holding member holds the optical window. In the first laser device, the optical window has a face or a protruding face through which the laser beam passes. When the optical window has the face, the face is flush with an edge of the optical window holding member and a film is formed on the face. When the optical window has the protruding face, the protruding face protrudes with reference to the edge of the optical window holding member and a film is formed on the protruding face.
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公开(公告)号：US20170179667A1
公开(公告)日：2017-06-22
申请号：US15369999
申请日：2016-12-06
申请人： Yusuke OKURA , Kentaroh HAGITA , Tsuyoshi SUZUDO , Naoto JIKUTANI
发明人： Yusuke OKURA , Kentaroh HAGITA , Tsuyoshi SUZUDO , Naoto JIKUTANI
CPC分类号： H01S3/025 , F02P23/04 , G02B1/118 , H01S3/0071 , H01S3/094038 , H01S3/09415 , H01S3/1115 , H01S3/1611 , H01S3/1643 , H01S5/18
摘要： An optical window member includes an incident surface onto which a laser light is directed and an exit surface from which the laser light exits. At least one of the incident surface and the exit surface has a plurality of protrusions or recesses formed therein. An interval between centers of adjacent protrusions or adjacent recesses is shorter than or equal to a wavelength of the laser light.
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公开(公告)号：US20220114367A1
公开(公告)日：2022-04-14
申请号：US17499935
申请日：2021-10-13
申请人： Yuki HORI , Eri WATANABE , Takuro YASUDA , Kentaroh HAGITA , Takuroh NAITOH , Hiroaki TANAKA , Terunori KOYAMA
发明人： Yuki HORI , Eri WATANABE , Takuro YASUDA , Kentaroh HAGITA , Takuroh NAITOH , Hiroaki TANAKA , Terunori KOYAMA
摘要： A communication system includes circuitry. The circuitry receives an input of language information. The circuitry performs recognition on the input language information. The circuitry displays one or more images corresponding to the input language information on a display, based on a result of the recognition.
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公开(公告)号：US20140211302A1
公开(公告)日：2014-07-31
申请号：US14163224
申请日：2014-01-24
摘要： An optical element having an antireflection effect includes an incident plane and an emission plane and a conical microstructure formed on at least one plane of the incident plane and the emission plane. The conical microstructure includes a first structure formed of a plurality of conical microprojections with an average height H1 and a second structure formed of a plurality of conical microrecesses with an average height H2. The average height H1 satisfies an inequality H1≦1/3*λ/n and the average height H2 satisfies an inequality H2≦1/3*λ/n. An average pitch P between the first structure and the second structure satisfies following conditions: H1/2≦P≦1/3*λ/n, and H2/2≦P≦1/3*λ/n, in which the use wavelength is defined as X and the refractive index relative to the use wavelength is n.
摘要翻译： 具有防反射效果的光学元件包括在入射面和发射面的至少一个平面上形成的入射面和发射面以及圆锥形微结构。 圆锥形微结构包括由具有平均高度H1的多个锥形微喷射体形成的第一结构和由具有平均高度H2的多个锥形微过程形成的第二结构。 平均高度H1满足不等式H1＆lt; nlE; 1/3 *λ/ n，平均高度H2满足不等式H2＆nlE; 1/3 *λ/ n。 第一结构和第二结构之间的平均间距P满足以下条件：H1 / 2＆nlE; P＆nlE; 1/3 *λ/ n和H2 / 2＆nlE; P＆nlE; 1/3 *λ/ 被定义为X，相对于使用波长的折射率为n。
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