公开(公告)号：JP2012050590A

公开(公告)日：2012-03-15

申请号：JP2010194726

申请日：2010-08-31

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI ,  YOSHIDA MITSUHARU

IPC: A61B1/00

CPC classification number: A61B1/07 ,  A61B1/00105 ,  A61B1/0017 ,  A61B1/0638

Abstract: PROBLEM TO BE SOLVED: To provide an endoscopic light guide which allows a secondary light source of a large light emitting area to be formed even when using a small-diameter optical fiber and allows class of safety standard of laser beam to be lowered, and to provide an endoscope having the endoscopic light guide.SOLUTION: The endoscopic light guide for guiding illumination light to an observation target includes: an optical fiber 11a; and a radiation mode inducing means (T, 64) for causing propagation mode light L1 to make side face radiation in the vicinity of an output facet of the optical fiber 11a, thereby converting the propagation mode light L1 to a radiation mode light L2 such that the radiation mode light L2 can be utilized as the illumination light.

Abstract translation: 要解决的问题：为了提供即使在使用小直径光纤时也能够形成大的发光区域的二次光源的内窥镜光导，并且允许降低激光束的安全等级 并且提供具有内窥镜光导的内窥镜。 解决方案：将照明光引导到观察对象物的内窥镜导光体包括：光纤11a; 以及用于使传播模式光L1在光纤11a的输出小面附近形成侧面辐射的辐射模式感应装置（T，64），从而将传播模式光L1转换成辐射模式光L2，使得 辐射模式光L2可以用作照明光。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2010109094A

公开(公告)日：2010-05-13

申请号：JP2008278694

申请日：2008-10-29

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI ,  YAMAZOE SHOGO

IPC: H01S3/098

Abstract: PROBLEM TO BE SOLVED: To provide a mode synchronous laser apparatus which outputs ultrashort pulses, with high heat radiation characteristic, having a stable structure.
SOLUTION: The mode synchronous laser apparatus 10 includes a resonator containing an SESAM (semiconductor saturable absorption mirror) 14 and a negative dispersion mirror 20 controlling group speed dispersion within the resonator, a solid laser medium 16 which is arranged in the resonator to output oscillation light when excitation light enters, an excitation optical system 12 which causes the excitation light to enter the solid laser medium 16, and a resonator holder 34 integrated with a first support body 35B, which is held between the SEASAM 14 and the solid laser medium 16 while supports the SEASAM 14 and the solid laser medium 16, and a second support body 35C protruding along the resonator axial direction from the first support body 35B.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种具有高散热特性的具有稳定结构的超短脉冲的模式同步激光装置。 ＆lt; P＆gt;解决方案：模式同步激光装置10包括包含控制谐振器内的群速度色散的SESAM（半导体可饱和吸收镜）14和负色散镜20的谐振器，设置在谐振器中的固体激光介质16 当激发光进入时输出振荡光，使激发光进入固体激光介质16的激发光学系统12，以及与第一支撑体35B一体化的谐振器保持器34，该谐振器保持器34保持在SEASAM 14和固体激光器之间 介质16，同时支撑SEASAM 14和固体激光介质16，以及沿着谐振器轴向从第一支撑体35B突出的第二支撑体35C。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2012200404A

公开(公告)日：2012-10-22

申请号：JP2011067554

申请日：2011-03-25

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： YOSHIDA MITSUHARU ,  KASAMATSU TADASHI ,  IWASAKA MASAYUKI

IPC: A61B1/00 ,  A61B1/06 ,  G02B23/26

CPC classification number: A61B1/00126 ,  A61B1/00117 ,  A61B1/00165 ,  A61B1/0638 ,  A61B1/0669 ,  A61B1/07 ,  G02B6/264 ,  G02B6/40 ,  G02B23/2469

Abstract: PROBLEM TO BE SOLVED: To provide an endoscope apparatus which includes an insertion part to be inserted into the body and then to irradiate an internal observation site with special light, wherein when a light guiding part for guiding the special light from a light source is removed from the insertion part, excitation light emitted from an output end of the light guiding part can be prevented from entering a human eye to give a trauma.SOLUTION: The endoscope apparatus includes: an insertion part which is inserted into the body to irradiate an internal observation site with special light and then receive the light emitted from the observation site by radiating the special light; and a light guidance part which is optically connected with the insertion part to guide the special light emitted from a light source to the insertion part, wherein a diffusion part is prepared at the output end of the light guiding part to diffuse the special light guided by the light guiding part.

Abstract translation: 要解决的问题：提供一种内窥镜装置，其具有插入体内的插入部，然后用特殊的光照射内部观察部位，其中，当用于引导来自光的特殊光的导光部 源头从插入部分移除，可以防止从导光部分的输出端发射的激发光进入人眼以产生创伤。 解决方案：内窥镜装置包括：插入到身体中的插入部分，用特殊光照射内部观察部位，然后通过照射特殊光来接收从观察部位发射的光; 以及导光部，其与所述插入部光学连接，以将从光源发射的特殊光引导到所述插入部，其中，在所述导光部的输出端准备扩散部，以扩散由所述导光部引导的特殊光， 导光部。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012194448A

公开(公告)日：2012-10-11

申请号：JP2011059406

申请日：2011-03-17

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： YOSHIDA MITSUHARU ,  KASAMATSU TADASHI ,  YOSHIHIRO TATSUYA

IPC: G02B6/26 ,  G02B6/02 ,  G02B6/38

CPC classification number: G02B6/3807 ,  A61B1/00117 ,  A61B17/3478 ,  G02B6/02009 ,  G02B6/262 ,  G02B21/06

Abstract: PROBLEM TO BE SOLVED: To provide an optical connector which restrains a reduction in optical transmission efficiency due to expansion of a wavelength range of transmission light without causing increases in cost and the size of the device.SOLUTION: The present invention 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 and the light source side optical fiber 10 has a taper section 14 with a diameter of a core section 12 increasing towards 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和尺寸的增加。 解决方案：本发明包括布置在光源侧的SI型光源侧光纤10和布置在光接收侧的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，并且光源侧光纤10具有锥形部分14，其中芯部分12的直径朝向光源侧光学器件的边缘面11增加 纤维10.版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012187394A

公开(公告)日：2012-10-04

申请号：JP2012030072

申请日：2012-02-15

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI

IPC: A61B8/00

CPC classification number: A61B5/0095

Abstract: PROBLEM TO BE SOLVED: To improve detection accuracy of a subject in a photoacoustic measurement device.SOLUTION: First light is radiated to the subject from a laser light source 22, and photoacoustic signals generated inside the subject by radiating the subject with the first light are detected by an ultrasonic sensor 18. Prior to radiating the first light, second light for measuring the distance is emitted from a laser light source 19, and the reflected light of the emitted second light is detected by a reflected light detection means 20. A time measuring means 16 measures the time from emission of the second light to detection of the reflected light. For example, the distance between an ultrasonic probe 12 and the subject is measured based on the measured time, and a light radiation control means 17 controls the emission of the first pulse laser light based on the measured distance.

Abstract translation: 要解决的问题：提高光声测量装置中被检体的检测精度。 解决方案：第一光从激光源22照射到被摄体，并且通过用第一光辐射对象而在对象内产生的光声信号由超声波传感器18检测。在辐射第一光之前，第二光 用于测量距离的光从激光源19发射，并且所发射的第二光的反射光被反射光检测装置20检测。时间测量装置16测量从第二光的发射到检测的时间 反射光。 例如，基于测定时间来测量超声波探头12与被检体之间的距离，光照射控制单元17基于测定的距离来控制第一脉冲激光的发射。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012183295A

公开(公告)日：2012-09-27

申请号：JP2011287385

申请日：2011-12-28

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI

IPC: A61B8/00 ,  G01N29/00 ,  H01S3/00

CPC classification number: A61B5/0095 ,  A61B2560/02

Abstract: PROBLEM TO BE SOLVED: To prevent noises from generating in an image signal in an optoacoustic imaging device in which a semiconductor laser is used as a pulsed light source for irradiation of pulsed light.SOLUTION: The optoacoustic imaging device is configured by using the semiconductor laser 102 as the pulsed light source for irradiating a subject with the pulsed light. Particularly in the optoacoustic imaging device 200 configured to constantly supply a low electric current less than an oscillation threshold to the semiconductor laser 102 during the operation of the device, a time filter 250 for cutting the light from the semiconductor laser 102 is arranged between the semiconductor laser 102 and the subject while the electric current less than the oscillation threshold is supplied to the semiconductor laser 102.

Abstract translation: 要解决的问题：为了防止在使用半导体激光器作为用于照射脉冲光的脉冲光源的光声成像装置中的图像信号中产生噪声。 解决方案：通过使用半导体激光器102作为用脉冲光照射对象的脉冲光源来配置光声成像装置。 特别是，在装置的动作中，在配置成向半导体激光器102持续供给小于振荡阈值的低电流的光声成像装置200中，用于切割来自半导体激光器102的光的时间滤波器250配置在半导体 激光器102和对象，同时将小于振荡阈值的电流提供给半导体激光器102.版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012168092A

公开(公告)日：2012-09-06

申请号：JP2011030742

申请日：2011-02-16

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： IRISAWA SATORU ,  HIROTA KAZUHIRO ,  KASAMATSU TADASHI

IPC: G01N21/00 ,  A61B8/00 ,  G01N29/00

Abstract: PROBLEM TO BE SOLVED: To facilitate position matching of a plurality of branched light and a plurality of optical fibers in photoacoustic imaging implemented by using the plurality of optical fibers and guiding laser beams.SOLUTION: A photoacoustic imaging device includes a light branching section 12 having a branch DOE 40 for branching one and another of two laser beams Lx and Ly respectively incident at different positions to a plurality of first branched beams Lxd and a plurality of second branched beams Lyd respectively according to a branching pattern; a first bundle fiber 14x including a plurality of first optical fibers 13x in which one end faces 13e thereof are arrayed while matching the branching pattern; and a second bundle fiber 14y including a plurality of second optical fibers 13y in which one end faces 14e thereof are arrayed while matching the branching pattern. The first plurality of branched beams Lxd are guided by the plurality of first optical fibers 13x, and the second plurality of branched beams Lyd are guided by the plurality of second optical fibers 13y.

Abstract translation: 要解决的问题：为了促进通过使用多根光纤并引导激光束实现的光声成像中的多个分支光和多个光纤的位置匹配。 光声成像装置包括具有分支DOE 40的光分支部分12，用于将分别入射在不同位置的两个激光束Lx和Ly中的一个和另一个分支到多个第一分支光束Lxd和多个第二分支光束 分支束Lyd分别根据分支模式; 包括多个第一光纤13x的第一束光纤14x，其中一个端面13e的一个端面13e与该分支图案匹配; 以及包括多个第二光纤13y的第二束光纤14y，其中一个端面14e被布置，同时匹配分支图案。 第一多个分支光束Lxd由多个第一光纤13x引导，第二多个分支光束Lyd被多个第二光纤13y引导。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2010103291A

公开(公告)日：2010-05-06

申请号：JP2008273043

申请日：2008-10-23

Applicant: Fujifilm Corp ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI ,  YAMAZOE SHOGO ,  KOROGI YUTAKA

IPC: H01S3/098

CPC classification number: H01S3/025 ,  H01S3/027 ,  H01S3/0401 ,  H01S3/0405 ,  H01S3/042 ,  H01S3/0604 ,  H01S3/08 ,  H01S3/08004 ,  H01S3/08059 ,  H01S3/09415 ,  H01S3/1118 ,  H01S3/1312 ,  H01S3/1618 ,  H01S2301/085

Abstract: PROBLEM TO BE SOLVED: To provide a mode synchronous laser device for outputting ultrashort pulses, which is reduced in size and cost, and improved in operation stability. SOLUTION: The mode synchronous laser device 10 is provided with: a resonator in which an SESAM (semiconductor saturable absorption mirror) 14 and a negative distribution mirror 20 for controlling group speed distribution within the resonator are arranged linearly; a solid laser medium 16 which is arranged in the resonator and outputs oscillation light when supplied with excitation light; an excitation optical system 12 which causes the excitation light to enter the solid laser medium 16; and a resonator holder 34 wherein a light incidence surface of SESAM 14 is attached on one end side, and the negative distribution mirror 20 is attached on the other end side. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于输出超短脉冲的模式同步激光装置，其尺寸和成本降低，并且提高了操作稳定性。 解决方案：模式同步激光装置10设置有：谐振器，其中线性地布置有用于控制谐振器内的群速度分布的SESAM（半导体可饱和吸收镜）14和负分布镜20; 布置在谐振器中的固体激光介质16，在被供给激励光时输出振荡光; 激发光学系统12，其使激发光进入固体激光介质16; 以及谐振器保持器34，其中SESAM 14的光入射面安装在一端侧，负分布镜20附接在另一端侧。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010003866A

公开(公告)日：2010-01-07

申请号：JP2008161233

申请日：2008-06-20

Applicant: Fujifilm Corp ,  Fujinon Corp ,  フジノン株式会社 ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI ,  YAMAZOE SHOGO ,  USUI MAKIO

IPC: H01S3/098 ,  G02B5/10 ,  G02F1/35 ,  H01S3/08

CPC classification number: H01S3/1118 ,  G02B5/0833 ,  H01S3/08 ,  H01S3/08059 ,  H01S3/0815 ,  H01S3/09415 ,  H01S3/1618 ,  H01S3/1675 ,  H01S2301/085

Abstract: PROBLEM TO BE SOLVED: To obtain a solid-state laser device which is small and low cost, has high stability and can achieve CW synchronous mode in the femtosecond region. SOLUTION: A solid-state laser medium 15 and a saturable absorbing mirror 16 are closely disposed at a distance of not more than twice the Rayleigh range. In addition, a depth ΔR of absorbing modulation of the saturable absorbing mirror 16 is set at ≥0.4%, an absolute value ¾D¾ (wherein D 2 and a reflectance of 97-99.5%, with respect to a light 18 having a predetermined wavelength is used as an output mirror. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了获得小而低成本的固态激光器件，具有高稳定性并且可以在飞秒区域中实现CW同步模式。 解决方案：固态激光介质15和饱和吸收反射镜16紧密配置在不超过瑞利范围的两倍的距离处。 此外，当具有预定波长的光已经经历了可饱和吸收反射镜16的吸收调制的深度ΔR为≥0.4％，绝对值¾D¾（其中D <0）用于总谐振器内分散量 谐振器内的单个往复运动由脉冲宽度的预定相对公式表示，被设定为脉冲带宽，使得可饱和吸收镜16可以抑制具有基本重复周期的孤子脉冲以外的操作模式，并且 使用具有-1000〜-100fs 2 的镜面分散量和97-99.5％的相对于具有预定波长的光18的反分散镜5作为输出镜 。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010003865A

公开(公告)日：2010-01-07

申请号：JP2008161232

申请日：2008-06-20

Applicant: Fujifilm Corp ,  Fujinon Corp ,  フジノン株式会社 ,  富士フイルム株式会社

Inventor： KASAMATSU TADASHI ,  YAMAZOE SHOGO ,  USUI MAKIO

IPC: H01S3/05

CPC classification number: H01S3/1118 ,  G02B5/0833 ,  H01S3/08 ,  H01S3/08059 ,  H01S3/0815 ,  H01S3/09415 ,  H01S3/1618 ,  H01S3/1675 ,  H01S2301/085

Abstract: PROBLEM TO BE SOLVED: To obtain a solid-state laser device which is small and low-cost, has high stability and can attain CW mode-lock in the femtosecond region. SOLUTION: A solid-state laser medium 15 and a saturable absorbing mirror 16 are disposed close to each other, at a distance of at most twice the Rayleigh length. In addition, a depth ΔR of absorbing modulation of the saturable absorbing mirror 16 is set at ≥0.4%; the absolute value ¾D¾(where D 2 to -600 fs 2 and a reflectance of 97%-99.5% for light 18, having a predetermined wavelength is used as an output mirror. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决问题：为了获得小而低成本的固态激光装置，具有高稳定性并且可以在飞秒区域中获得CW模式锁定。 解决方案：固态激光介质15和可饱和吸收反射镜16彼此靠近设置，距离为瑞利长度的两倍。 此外，可饱和吸收镜16的吸收调制深度ΔR设定为≥0.4％。 当预定波长的光在谐振器中以一定的脉冲宽度的预定相对公式表示的波长在谐振器中往复一次时，总共振子内色散量的绝对值¾D¾（其中D <0）被设置为脉冲宽度 可饱和吸收镜16可以抑制具有基本周期的孤子脉冲以外的操作模式; 以及具有镜面分散量为-3,000fs 2 至-600fs 2 的负色散反射镜5和对于光18的反射率为97％-99.5％，具有 使用预定波长作为输出镜。 版权所有（C）2010，JPO＆INPIT