公开(公告)号：US5615199A

公开(公告)日：1997-03-25

申请号：US356524

申请日：1994-12-15

申请人： Kimio Tatsuno ,  Takeshi Shimano ,  Hiroshi Fukuda ,  Osamu Komoda

发明人： Kimio Tatsuno ,  Takeshi Shimano ,  Hiroshi Fukuda ,  Osamu Komoda

IPC分类号： G11B7/135 ,  G11B7/125 ,  G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/13922 ,  G11B2007/13727

摘要： An optical head apparatus for recording and reproducing data to and from optical disks, the apparatus boosting recording density by use of an objective lens with a higher numerical aperture (NA) than ever. A phase plate is added to the pupil position of the objective lens or to a position close thereto. The phase plate arrangement provides a deeper focal length, reduces the adverse effects of aberration and eliminates the need for a tilt servo mechanism despite the use of the objective lens having a greater numerical aperture than before.

摘要翻译： 一种用于从光盘记录和再现数据的光学头装置，该装置通过使用具有比以往更高的数值孔径（NA）的物镜提高记录密度。 将相位板添加到物镜的光瞳位置或其附近的位置。 相位板布置提供更深的焦距，减少了像差的不利影响，并且消除了对倾斜伺服机构的需要，尽管使用具有比以前更大的数值孔径的物镜。

公开(公告)号：US5281797A

公开(公告)日：1994-01-25

申请号：US996033

申请日：1992-12-23

申请人： Kimio Tatsuno ,  Shigeru Nakamura ,  Hisataka Sugiyama ,  Masahiko Takahashi

发明人： Kimio Tatsuno ,  Shigeru Nakamura ,  Hisataka Sugiyama ,  Masahiko Takahashi

IPC分类号： G11B7/125 ,  G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/09 ,  G11B7/135 ,  G11B11/10 ,  G11B11/105 ,  G01S1/20

CPC分类号： G11B7/1381 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/0903 ,  G11B7/139 ,  G11B2007/0006

摘要： An optical disk head having a short wavelength light source has an aperture diaphragm placed in the course of its focusing optical system which can change its aperture diameter depending on the pit size on an optical disk in order to allow recording on and reproducing from not only a short wavelength optical disk, but also a long wavelength optical disk. The aperture diameter is made larger for the smaller pit size and vice versa, and the light source output is adjusted depending on the aperture diameter so that the light amount coming from the disk surface to a photodetector cannot be changed with the aperture diameter.

摘要翻译： 具有短波长光源的光盘头具有放置在其聚焦光学系统的过程中的孔径光阑，其可以根据光盘上的凹坑尺寸改变其孔径直径，以允许不仅记录 短波长光盘，也是长波长光盘。 对于较小的凹坑尺寸，孔径直径变大，反之亦然，并且根据孔径直径调节光源输出，使得从盘表面到光电检测器的光量不能随孔径而改变。

公开(公告)号：US4298974A

公开(公告)日：1981-11-03

申请号：US37898

申请日：1979-05-10

申请人： Yoshito Tsunoda ,  Kimio Tatsuno ,  Toshimitsu Miyauchi ,  Kunio Aiki ,  Ryoichi Ito

发明人： Yoshito Tsunoda ,  Kimio Tatsuno ,  Toshimitsu Miyauchi ,  Kunio Aiki ,  Ryoichi Ito

IPC分类号： G02B7/28 ,  G11B7/08 ,  G11B7/09 ,  G11B7/12 ,  G11B7/127 ,  G11B7/135 ,  G11B7/14

CPC分类号： G11B7/14 ,  G11B7/127

摘要： An optical head comprising a semiconductor laser array which is used as a light source, and an optical system which guides laser beams from the array to a predetermined recording medium. The beam from one lasing point of the array is modulated by predetermined information and is used as a recording beam, while the beam from another lasing point is continuously oscillated and is used as a playback beam.

摘要翻译： 包括用作光源的半导体激光器阵列的光学头以及将激光束从阵列引导到预定记录介质的光学系统。 来自阵列的一个激光点的光束由预定信息调制，并用作记录光束，而来自另一个激光点的光束被连续地振荡并用作回放光束。

公开(公告)号：US07165898B2

公开(公告)日：2007-01-23

申请号：US10787086

申请日：2004-02-27

申请人： Takeshil Kato ,  Koji Yoshida ,  Toshinori Hirataka ,  Toshiaki Ishii ,  Kazuyuki Fukuda ,  Tadaaki Ishikawa ,  Toshimasa Miura ,  Tsutomu Kono ,  Kimio Tatsuno

发明人： Takeshil Kato ,  Koji Yoshida ,  Toshinori Hirataka ,  Toshiaki Ishii ,  Kazuyuki Fukuda ,  Tadaaki Ishikawa ,  Toshimasa Miura ,  Tsutomu Kono ,  Kimio Tatsuno

IPC分类号： G02B6/36

CPC分类号： G02B6/4204 ,  G02B6/3865 ,  G02B6/3873 ,  G02B6/421 ,  G02B6/4292 ,  H01L24/45 ,  H01L2224/45144 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/12043 ,  H01L2924/14 ,  H01L2924/181 ,  H01L2924/19107 ,  H01L2924/00014 ,  H01L2924/00

摘要： An optical module for an optical device and an optical fiber is constituted by a pre-molded plastic package. In forming the plastic package, the main flowing direction of the molding resin is substantially parallel with the optical axis of the optical fiber. The optical module is formed by molding the resin by injection using pressure and then solidifying the resin. When the plastic package is formed by comprehensive molding, the flowing direction of the resin is parallel with the optical axis direction of the optical fiber to be installed in the optical module. As a result, for comprehensive molding, the molding pressure applied to the optical fiber is reduced. By using the resin case that is formed, the resulting package exhibits high rigidity and low thermal expansion properties in connection with the flowing direction of the resin, thus reducing the external stress and thermal stress applied to the optical fiber.

摘要翻译： 用于光学器件和光纤的光学模块由预成型塑料封装构成。 在形成塑料包装时，成型树脂的主流动方向基本上平行于光纤的光轴。 光学模块通过使用压力注射成型树脂然后使树脂固化而形成。 当通过综合成型形成塑料包装时，树脂的流动方向与要安装在光学模块中的光纤的光轴方向平行。 结果，对于综合成型，施加到光纤的成型压力降低。 通过使用形成的树脂壳体，所得到的包装与树脂的流动方向相比具有高刚性和低热膨胀性，从而减小施加到光纤上的外部应力和热应力。

公开(公告)号：US06983000B2

公开(公告)日：2006-01-03

申请号：US10618759

申请日：2003-07-15

申请人： Kimio Tatsuno ,  Hiroaki Furuichi ,  Kazumi Kawamoto ,  Katsumi Kuroguchi

发明人： Kimio Tatsuno ,  Hiroaki Furuichi ,  Kazumi Kawamoto ,  Katsumi Kuroguchi

IPC分类号： H01S3/00 ,  G01J4/00

CPC分类号： H01S5/0687 ,  H01S5/0064 ,  H01S5/0085 ,  H01S5/02216 ,  H01S5/02284 ,  H01S5/4012

摘要： A laser diode module includes a laser diode device, a first photo detector part for receiving, first divided light that is a first portion of light when at least one of light emissions of the laser diode device is divided into two portions of light each traveling a different optical path, a second photo detector part for receiving second divided light that is a second portion of light thus divided via at least a wavelength selective member, and a controller which controls the lasing wavelength of the laser diode device on the basis of outputs of the first and second photo detector parts. A beam splitter provided between the laser diode and the wavelength selective member divides light emitted from the laser diode into the first and second divided light and a quarter-wave plate is provided in an optical path between the beam splitter and the wavelength selective member.

摘要翻译： 激光二极管模块包括激光二极管器件，第一光电检测器部分，用于接收第一分光，该激光二极管器件的光发射中的至少一个被分成两部分光 不同光路的第二光检测器部分，用于接收作为通过至少一个波长选择部件分配的光的第二部分的第二分光的第二光检测器部分，以及基于输出的控制器来控制激光二极管器件的激光波长 第一和第二光电检测器部件。 设置在激光二极管和波长选择部件之间的分束器将从激光二极管发射的光分成第一和第二分光，四分之一波片设置在分束器和波长选择部件之间的光路中。

公开(公告)号：US06457877B2

公开(公告)日：2002-10-01

申请号：US09788341

申请日：2001-02-21

申请人： Takeshil Kato ,  Koji Yoshida ,  Toshinori Hirataka ,  Toshiaki Ishii ,  Kazuyuki Fukuda ,  Tadaaki Ishikawa ,  Toshimasa Miura ,  Tsutomu Kono ,  Kimio Tatsuno

发明人： Takeshil Kato ,  Koji Yoshida ,  Toshinori Hirataka ,  Toshiaki Ishii ,  Kazuyuki Fukuda ,  Tadaaki Ishikawa ,  Toshimasa Miura ,  Tsutomu Kono ,  Kimio Tatsuno

IPC分类号： G02B642

CPC分类号： G02B6/4204 ,  G02B6/3865 ,  G02B6/3873 ,  G02B6/421 ,  G02B6/4292 ,  H01L24/45 ,  H01L2224/45144 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/12043 ,  H01L2924/14 ,  H01L2924/181 ,  H01L2924/19107 ,  H01L2924/00014 ,  H01L2924/00

摘要： An optical module for an optical device and an optical fiber is constituted by a pre-molded plastic package. In forming the plastic package, the main flowing direction of the molding resin is substantially parallel with the optical axis of the optical fiber. The optical module is formed by molding the resin by an injection method using pressure and then solidifying the resin. When the plastic package is formed by comprehensive molding, the flowing direction of the resin is parallel with the optical axis direction of the optical fiber to be installed in the optical module. As a result, for comprehensive molding, the molding pressure applied to the optical fiber is reduced. By using the resin case that is formed, the resulting package exhibits high rigidity and low thermal expansion properties in connection with the flowing direction of the resin, thus reducing the external stress and thermal stress applied to the optical fiber.

摘要翻译： 用于光学器件和光纤的光学模块由预成型塑料封装构成。 在形成塑料包装时，成型树脂的主流动方向基本上平行于光纤的光轴。 光学模块通过使用压力的注射方法模制树脂然后使树脂固化而形成。 当通过综合成型形成塑料包装时，树脂的流动方向与要安装在光学模块中的光纤的光轴方向平行。 结果，对于综合成型，施加到光纤的成型压力降低。 通过使用形成的树脂壳体，所得到的包装与树脂的流动方向相比具有高刚性和低热膨胀性，从而减小施加到光纤上的外部应力和热应力。

公开(公告)号：US5854870A

公开(公告)日：1998-12-29

申请号：US027724

申请日：1993-03-04

申请人： Sten Helmfrid ,  Kenchi Ito ,  Kimio Tatsuno ,  Kazumi Kawamoto ,  Tetsuo Andou ,  Hiroshi Momiji ,  Osamu Komoda ,  Hisao Kurosawa ,  Masayoshi Sato ,  Fumio Nitanda ,  Kohei Ito

发明人： Sten Helmfrid ,  Kenchi Ito ,  Kimio Tatsuno ,  Kazumi Kawamoto ,  Tetsuo Andou ,  Hiroshi Momiji ,  Osamu Komoda ,  Hisao Kurosawa ,  Masayoshi Sato ,  Fumio Nitanda ,  Kohei Ito

IPC分类号： G02F1/35 ,  G02F1/37 ,  G02F1/377 ,  G11B7/125 ,  H01S5/022 ,  G02B6/43

CPC分类号： G02F1/3775 ,  G02F1/377 ,  G11B7/127 ,  G02F1/37 ,  G02F2001/3546 ,  H01S5/0092 ,  H01S5/02248 ,  H01S5/02288 ,  H01S5/141

摘要： There is disclosed a harmonic modulation device of waveguide type including a semiconductor laser, a waveguide for generating a nonlinear optical harmonic of the semiconductor laser by keeping phase matching, means for leading an optical beam of the semiconductor laser to the waveguide, electrodes disposed on the waveguide, and means for modulating a refractive index of the waveguide electro-optically to modulate a phase matching condition and thereby modulate an intensity of the harmonic.

摘要翻译： 公开了一种包括半导体激光器的波导型谐波调制装置，通过保持相位匹配产生半导体激光器的非线性光谐波的波导，将半导体激光器的光束引导到波导的装置， 波导，以及用于调制波导的光折射率以调制相位匹配条件并由此调制谐波强度的装置。

公开(公告)号：US5208827A

公开(公告)日：1993-05-04

申请号：US793647

申请日：1991-11-18

申请人： Misuzu Sagawa ,  Hiroaki Inoue ,  Kimio Tatsuno ,  Masahiro Ojima

发明人： Misuzu Sagawa ,  Hiroaki Inoue ,  Kimio Tatsuno ,  Masahiro Ojima

IPC分类号： H01S5/00 ,  H01S3/109 ,  H01S5/042 ,  H01S5/06 ,  H01S5/10

CPC分类号： H01S5/1032 ,  H01S5/026 ,  H01S5/0605 ,  H01S5/18 ,  H01S5/2232

摘要： A semiconductor laser device comprises a semiconductor laser which oscillates a fundamental wave, and a transparent waveguide which is installed substantially in parallel to a direction of a cavity of the semiconductor laser and integral with the semiconductor laser, where second harmonics of the fundamental wave travel through the transparent waveguide and are emitted therefrom. The semiconductor laser and the transparent waveguide have a refractive index in a prescribed range respectively, and an output of second harmonics being significantly high in comparison to the prior art can be obtained.

摘要翻译： 一种半导体激光装置包括：振荡基波的半导体激光器和透明波导，该透明波导基本上平行于半导体激光器的空腔的方向并与半导体激光器成一体，其中基波的二次谐波通过 透明波导并从其发射。 半导体激光器和透明波导分别具有在规定范围内的折射率，并且可以获得与现有技术相比显着高的二次谐波的输出。

公开(公告)号：US5117433A

公开(公告)日：1992-05-26

申请号：US618406

申请日：1990-11-27

申请人： Kimio Tatsuno ,  Hironori Yanagisawa

发明人： Kimio Tatsuno ,  Hironori Yanagisawa

IPC分类号： G02B6/34 ,  G02B6/42 ,  G02F1/37 ,  G02F1/377 ,  G02F1/383

CPC分类号： G02B6/4203 ,  G02B6/34 ,  G02F1/377 ,  G02F1/383 ,  G02F2001/372 ,  G02F2001/374

摘要： A second harmonic generator of the present invention utilizes Cerenkov radiation as a useful coherent short-wavelength light source. The second harmonic generator includes an aberration correction means to collimate the second harmonic to form a parallel plane wave having a high flatness. The aberration correction means is provided on an exit end face of a nonlinear waveguide which generates the second harmonic, and a glued cone prism, a cone prism having a conic exit end face changed in accordance with birefringence of the nonlinear waveguide, or a diffraction grating is used as the aberration correction means.

摘要翻译： 本发明的二次谐波发生器利用Cerenkov辐射作为有用的相干短波长光源。 二次谐波发生器包括用于校准二次谐波以形成具有高平坦度的平行平面波的像差校正装置。 像差校正装置设置在产生二次谐波的非线性波导的出射端面上，并且胶合锥形棱镜，具有根据非线性波导的双折射而变化的锥出射端面的锥形棱镜或衍射光栅 被用作像差校正装置。

公开(公告)号：US20050122880A1

公开(公告)日：2005-06-09

申请号：US11028325

申请日：2005-01-04

申请人： Kimio Tatsuno ,  Masahide Tokuda ,  Hirohisa Sano ,  Toshiaki Tanaka ,  Takeshi Shimano ,  Shigeru Nakamura ,  Takeshi Maeda ,  Akira Arimoto

发明人： Kimio Tatsuno ,  Masahide Tokuda ,  Hirohisa Sano ,  Toshiaki Tanaka ,  Takeshi Shimano ,  Shigeru Nakamura ,  Takeshi Maeda ,  Akira Arimoto

IPC分类号： G11B7/00 ,  G11B7/12 ,  G11B7/125 ,  G11B7/22 ,  G11B21/00 ,  H01S3/00 ,  H01S5/022 ,  H01S5/0683 ,  H01S5/40 ,  G11B3/00 ,  H01S5/00

CPC分类号： G11B7/22 ,  G11B7/123 ,  G11B7/1275 ,  G11B2007/0006 ,  H01S5/02216 ,  H01S5/02244 ,  H01S5/02252 ,  H01S5/02292 ,  H01S5/02296 ,  H01S5/0683 ,  H01S5/4087

摘要： An integrated optical head records and reproduces information to and from optical discs of different types, including CD and DVD, with use of a single information recording/reproducing apparatus. The optical head has a plurality of semiconductor lasers of different wavelengths integrated by index alignment onto a substrate formed with an optoelectric integrated circuit, photodetection patterns, and a reflecting mirror.

摘要翻译： 集成光学头使用单个信息记录/再现装置将信息记录到不同类型的光盘（包括CD和DVD）上并从其中再现信息。 该光头具有多个不同波长的半导体激光器，其通过索引对准而集成到形成有光电集成电路，光电检测图案和反射镜的基板上。