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公开(公告)号：JP2012173246A
公开(公告)日：2012-09-10
申请号：JP2011038237
申请日：2011-02-24
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： KASAMATSU TADASHI , TSUJITA KAZUHIRO
Abstract: PROBLEM TO BE SOLVED: To efficiently acquire a photoacoustic image of high quality in a photoacoustic imaging apparatus using a semiconductor laser as a pulse light source for emitting pulse light.SOLUTION: In the photoacoustic imaging apparatus using a laser light source 102 as a pulse light source for irradiating a biological tissue with pulse light, the laser light source 102 allowed to be always driven during the operation of the photoacoustic imaging apparatus is used. Shutter means 150 allowed to be opened/closed to control the passage of laser light is arranged in an optical path of the laser light between the laser light source 102 and the biological tissue.
Abstract translation: 要解决的问题：使用半导体激光器作为用于发射脉冲光的脉冲光源的光声成像装置中有效地获取高质量的光声图像。 解决方案：在使用激光源102作为用于用脉冲光照射生物组织的脉冲光源的光声成像装置中，使用允许在光声成像装置的操作期间始终被驱动的激光源102 。 允许打开/关闭快门装置150以控制激光的通过被布置在激光光源102和生物组织之间的激光的光路中。 版权所有（C）2012，JPO＆INPIT
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22.发明专利Recording and reproducing device for two-photon absorption recording medium 审中-公开用于双光子吸收记录介质的记录和再现装置
公开(公告)号：JP2010211844A
公开(公告)日：2010-09-24
申请号：JP2009054423
申请日：2009-03-09
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： KASAMATSU TADASHI , YAMAZOE SHOGO , USAMI YOSHIHISA , AKIBA MASAATSU , TAKAHASHI ERI , TAKIZAWA HIROO
Abstract: PROBLEM TO BE SOLVED: To obtain a practical recording and reproducing device with which information is stably recorded on a two-photon absorption recording medium at a high speed. SOLUTION: The recording and reproducing device includes: an ultra-short pulse laser light source 103 to output an ultra-short pulse laser beam of a repetition frequency of ≥1 GHz, a wavelength of 380-550 nm, peak power of ≥100 W, and a pulse width of ≤1 psec as recording light Lw to induce simultaneous two-photon absorption on a two-photon absorption recording medium 102 and record information on the two-photon absorption recording medium 102; a read laser light source 104 to output a continuous oscillating laser beam of a wavelength range of 440-660 nm as reading light Lr to read information from the two-photon absorption recording medium 102; and a detection means 105 to detect reflected light or fluorescence from the two-photon absorption recording medium 102 which has been irradiated with the reading light Lr. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：为了获得在双光子吸收记录介质上高速稳定地记录信息的实用的记录和再现装置。 解决方案：记录和再现装置包括：超短脉冲激光光源103，其输出重复频率≥1GHz的超短脉冲激光束，波长为380-550nm，峰值功率为 ≥100W，脉冲宽度≤1psec作为记录光Lw，以在双光子吸收记录介质102上引起同时的双光子吸收，并将信息记录在双光子吸收记录介质102上; 用于输出440-660nm波长范围的连续振荡激光束的读取激光源104作为读取光Lr以从双光子吸收记录介质102读取信息; 以及检测装置105，用于检测已经用读取光Lr照射的双光子吸收记录介质102的反射光或荧光。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2010042158A
公开(公告)日：2010-02-25
申请号：JP2008208809
申请日：2008-08-14
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： TSUJITA KAZUHIRO , KASAMATSU TADASHI
CPC classification number: G01N21/1702 , A61B5/0073 , A61B5/0095 , G01N2021/1706 , G01N2021/1708 , G01N2021/4797
Abstract: PROBLEM TO BE SOLVED: To reduce the cost of an optical ultrasonic tomographic apparatus. SOLUTION: The optical ultrasonic tomographic apparatus includes a light emitting means 121 for emitting measuring light L; a light irradiating means 122 for irradiating a target region 150 with the measuring light L; an ultrasonic detecting means 132 for detecting the ultrasonic waves U generated within the target region 150 caused by the irradiation of the measuring light L; and a tomographic image acquiring means 130 for acquiring a tomographic image of the target region 150 based on receiving signals of the ultrasonic waves U detected by the ultrasonic detecting means 132. The light emitting means 121 is configured to emit pulse light in a plurality of pulse lines of 1-100 nsec pulse width. The tomographic image acquiring means 130 is configured to generate receiving signals processed by the correlation between the transmission signals of the pulse lines L and the receiving signals and to obtain the tomographic image of the target region based on the processed receiving signals. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：降低光学超声波断层摄影装置的成本。 解决方案：光学超声波断层摄影装置包括用于发射测量光L的发光装置121; 用于用目标区域150照射测量光L的光照射装置122; 用于检测由测量光L的照射引起的目标区域150内产生的超声波U的超声波检测装置132; 以及断层图像获取装置130，用于基于由超声波检测装置132检测到的超声波U的接收信号来获取目标区域150的断层图像。发光装置121被配置为以多个脉冲发射脉冲光 1-100 nsec脉冲宽度的线。 断层图像获取装置130被配置为产生由脉冲线L的发送信号和接收信号之间的相关性处理的接收信号，并且基于处理的接收信号获得目标区域的断层图像。 版权所有（C）2010，JPO＆INPIT
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24.发明专利Negative dispersion mirror and mode-locked solid-state laser apparatus including the same 审中-公开负极分散镜和模式锁定的固态激光装置，包括它们
公开(公告)号：JP2009088137A
公开(公告)日：2009-04-23
申请号：JP2007254238
申请日：2007-09-28
Applicant: Fujifilm Corp , Fujinon Corp , フジノン株式会社 , 富士フイルム株式会社
Inventor： USUI MAKIO , KASAMATSU TADASHI , YAMAZOE SHOGO
Abstract: PROBLEM TO BE SOLVED: To provide a negative dispersion mirror which can generate large negative group-velocity dispersion and can be used as an output mirror of a solid-state laser apparatus. SOLUTION: In a mirror 5 including a dielectric multilayer coating structure 7 formed on a substrate 6, the multilayer coating structure includes three or more mirror-function layer portions ML 1 , ML 2 , ..., each formed by a plurality of layers deposited one on another, and cavity layers C1, C2, ..., that are arranged between the two mirror-function layer portions, and causes light having a predetermined wavelength to resonate between the two mirror-function layer portions. Further, a dispersion value with respect to the light L having the predetermined wavelength is in the range of -600 fs 2 to -3000 fs 2 and a reflectance is in the range of 97 to 99.5%. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种负色散反射镜，其可以产生大的负的群 - 速度色散并且可以用作固体激光装置的输出镜。 解决方案：在包括形成在基板6上的电介质多层涂覆结构7的反射镜5中，多层涂层结构包括三个或更多个镜面功能层部分ML
1 ，ML < 各自由彼此沉积的多个层形成的多个层，以及设置在两个镜面功能层部之间的空腔层C1，C2，...，并且使具有预定的 波长在两个镜面功能层部分之间共振。 此外，相对于具有预定波长的光L的色散值在-600fs 2 至-3000fs 2 的范围内，反射率在 97〜99.5％。 版权所有（C）2009，JPO＆INPIT -
25.发明专利Laser light source unit, control method therefor, and photoacoustic image generating apparatus 审中-公开激光光源单元，其控制方法和光电图像发生装置
公开(公告)号：JP2014160692A
公开(公告)日：2014-09-04
申请号：JP2013020074
申请日：2013-02-05
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： KASAMATSU TADASHI
CPC classification number: H01S3/121 , A61B5/0095 , G01N21/1702 , G01N2021/1706 , H01S3/061 , H01S3/08086 , H01S3/0912 , H01S3/092 , H01S3/1024 , H01S3/105 , H01S3/1062 , H01S3/11 , H01S3/1312 , H01S3/1623 , H01S3/1633
Abstract: PROBLEM TO BE SOLVED: To provide a laser light source unit capable of emitting pulse laser light with a desired light emission intensity even when wavelengths are different.SOLUTION: When pulse laser light of a wavelength of 750 nm is emitted, excitation energy of a flash lamp 52 is set smaller than when pulse laser light of a wavelength of 800 nm is emitted. Specifically, the charging time of a capacitor 75 of a pulse generating circuit 72 is set shorter than when the pulse laser light of a wavelength of 800 nm is emitted.
Abstract translation: 要解决的问题：提供即使在波长不同时能够发出具有期望的发光强度的脉冲激光的激光光源单元。解决方案：当发射波长为750nm的脉冲激光时，闪光的激发能量 灯52被设定为小于当发射波长为800nm的脉冲激光时。 具体地，脉冲发生电路72的电容器75的充电时间被设定为比发射800nm波长的脉冲激光时的充电时间短。
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Patent Agency Ranking
公开(公告)号：JP2014123147A
公开(公告)日：2014-07-03
申请号：JP2014027488
申请日：2014-02-17
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： YOSHIDA MITSUHARU , KASAMATSU TADASHI , YOSHIHIRO TATSUYA
IPC: G02B6/26
Abstract: PROBLEM TO BE SOLVED: To provide an optical connector which restrains reduction in optical transmission efficiency due to expansion of a wavelength range of transmission light without causing increase in a cost of a device and increase in size of the device.SOLUTION: An optical connector comprises: an SI type light source side optical fiber 10 arranged at a light source side; and an SI type light receiving side optical fiber 20 arranged at a light receiving side. In optically connecting the light source side optical fiber 10 and the light receiving side optical fiber 20 by arranging an edge face 11 of the light source side optical fiber 10 and an edge face 21 of the light receiving side optical fiber 20 opposite to each other, the light source side optical fiber 10 and the light receiving side optical fiber 20 are detachable. The light source side optical fiber 10 comprises a taper section 14 formed so that a diameter of a core section 12 increase as a position approaches the edge face 11 of the light source side optical fiber 10.
Abstract translation: 要解决的问题：提供一种光学连接器，其抑制由于透射光的波长范围的扩大而导致的光传输效率的降低，而不会导致器件的成本增加并且增加器件的尺寸。解决方案：光学连接器包括 ：配置在光源侧的SI型光源侧光纤10; 以及布置在光接收侧的SI型光接收侧光纤20。 通过将光源侧光纤10的边缘面11和光接收侧光纤20的边缘面21配置成彼此相对的方式来光连接光源侧光纤10和受光侧光纤20， 光源侧光纤10和光接收侧光纤20是可拆卸的。 光源侧光纤10包括形成为使得芯部12的直径随着位置接近光源侧光纤10的边缘面11而增大的锥形部14。
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公开(公告)号：JP2013214722A
公开(公告)日：2013-10-17
申请号：JP2013009772
申请日：2013-01-23
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： KASAMATSU TADASHI
CPC classification number: A61B5/0095 , G01N29/2418 , H01S3/08027 , H01S3/092 , H01S3/10092 , H01S3/106 , H01S3/11 , H01S3/1623
Abstract: PROBLEM TO BE SOLVED: To stably perform laser oscillation in a laser device capable of changing and emitting two wavelengths without increasing excitation power particularly for the wavelength on a low laser gain side.SOLUTION: A flash lamp 52 irradiates a laser rod 51 with excitation light. An optical resonator includes a pair of mirrors 53 and 54 that face with each other with the laser rod 51 interposed therebetween. A wavelength switching unit 56 controls a wavelength of light oscillated by the optical resonator to be a first wavelength or a second wavelength. When the wavelength switching unit 56 controls the optical resonator so as to oscillate with the first wavelength that is a wavelength on a low laser gain side, a first single wavelength laser 57 use injection seeding of light of the first wavelength to the optical resonator.
Abstract translation: 要解决的问题：为了在能够改变和发射两个波长的激光装置中稳定地执行激光振荡，而不增加激光功率，特别是对于低激光增益侧的波长。激光灯52用激发光照射激光棒51 。 光学谐振器包括一对反射镜53和54，它们彼此面对，激光棒51插入其间。 波长切换单元56将由光谐振器振荡的光的波长控制为第一波长或第二波长。 当波长切换单元56控制光谐振器以以低激光增益侧的波长的第一波长振荡时，第一单波长激光器57使用将第一波长的光注入到光谐振器。
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公开(公告)号：JP2013214703A
公开(公告)日：2013-10-17
申请号：JP2012206754
申请日：2012-09-20
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： KASAMATSU TADASHI , HIROTA KAZUHIRO
CPC classification number: H01S3/117 , A61B5/0095 , A61B5/14546 , A61B5/14551 , G01N29/2418 , H01S3/061 , H01S3/08027 , H01S3/092 , H01S3/106 , H01S3/11 , H01S3/1623
Abstract: PROBLEM TO BE SOLVED: To improve laser efficiency in a laser device capable of emitting lights of a first wavelength and a second wavelength without causing high costs.SOLUTION: A flash lamp 52 irradiates a laser rod 51 with excitation light. A optical resonator includes a pair of mirrors 53 and 54 that face with each other with the laser rod 51 interposed therebetween. A wavelength switching unit 56 includes a long pass filter that transmits light of a first wavelength or longer. When a wavelength of laser light to be emitted is the first wavelength, the wavelength switching unit 56 inserts the long path filter on a light pass of the optical resonator.
Abstract translation: 要解决的问题：提高能够发射第一波长和第二波长的光的激光装置的激光效率，而不会导致高成本。解决方案：闪光灯52用激发光照射激光棒51。 光谐振器包括一对反射镜53和54，它们之间夹着激光棒51彼此面对。 波长切换单元56包括透射第一波长或更长波长的光的长距离滤光器。 当要发射的激光的波长是第一波长时，波长切换单元56将光路的光通道插入长路径滤波器。
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29.发明专利Laser light source unit, control method therefor, and optical acoustic image generating apparatus 审中-公开激光光源单元，其控制方法和光学声像产生装置
公开(公告)号：JP2013211528A
公开(公告)日：2013-10-10
申请号：JP2013009775
申请日：2013-01-23
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： HIROTA KAZUHIRO , KASAMATSU TADASHI
CPC classification number: A61B5/0095 , A61B5/145 , G01N21/1702 , H01S3/061 , H01S3/092 , H01S3/1024 , H01S3/105 , H01S3/11 , H01S3/1623 , H01S3/1633
Abstract: PROBLEM TO BE SOLVED: To provide a laser light source unit capable of emitting pulse laser light with desired light emission intensity even when wave lengths are different from each other.SOLUTION: In emitting pulse laser light with a wave length of 750 nm, a high-voltage switch 74 is turned on and a first flash lamp 52 is turned on to excite a laser rod. In emitting pulse laser light with a wave length of 800 nm, a high-voltage switch 84 is turned on and a second flash lamp 53 is turned on to excite the laser rod.
Abstract translation: 要解决的问题：提供即使在波长彼此不同的情况下也能够以期望的发光强度发射脉冲激光的激光光源单元。解决方案：在发射波长为750nm的脉冲激光中，高 电压开关74接通，第一闪光灯52接通以激励激光棒。 在发射波长为800nm的脉冲激光中，高电压开关84导通，第二闪光灯53导通以激励激光棒。
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30.发明专利
公开(公告)号：JP2012050607A
公开(公告)日：2012-03-15
申请号：JP2010194940
申请日：2010-08-31
Applicant: Fujifilm Corp , 富士フイルム株式会社
Inventor： YOSHIDA MITSUHARU , KASAMATSU TADASHI , YOSHIHIRO TATSUYA
CPC classification number: G02B5/02 , G02B6/0008 , G02B23/2469
Abstract: PROBLEM TO BE SOLVED: To transmit light to the part separated from the optical axis of the optical fiber in a light diffusion element for diffusing the light emitted from the optical fiber and a light guide for an endoscope equipped therewith.SOLUTION: The light diffusion element 33 is constituted to diffuse light emitted from an output end surface of the optical fiber 34 and received from one side of the optical fiber 34, to the other side of the optical fiber 34 to emit the same. The light diffusion element is equipped with a semi-reflection surface Sfor reflecting a part of the light and crossing at least the optical axis C of the optical fiber 34. In reflecting a part of the light incident on the light diffusion element 33 by the semi-reflection surface S, propagation of the light in the direction away from the optical axis C of the optical fiber 34 in the light diffusion element 33 can be facilitated.
Abstract translation: 要解决的问题：在用于扩散从光纤发射的光的光漫射元件和配备有其的内窥镜的光导中，将光发射到与光纤的光轴分离的部分。 解决方案：光扩散元件33被构成为将从光纤34的输出端面发射并从光纤34的一侧接收的光扩散到光纤34的另一侧以发射光 。 光漫射元件配备有用于反射光的一部分并至少与光纤34的光轴C交叉的半反射面S
1 。 通过半反射面S 1入射在光漫射元件33上的光的一部分，光在远离光纤34的光轴C的方向上传播 在光漫射元件33中可以方便。 版权所有（C）2012，JPO＆INPIT
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