公开(公告)号：US06529535B2

公开(公告)日：2003-03-04

申请号：US09772874

申请日：2001-01-31

申请人： Etsuji Katayama ,  Yuichiro Irie ,  Jun Miyokawa ,  Akira Mugino

发明人： Etsuji Katayama ,  Yuichiro Irie ,  Jun Miyokawa ,  Akira Mugino

IPC分类号： H01S500

CPC分类号： G02B6/4237 ,  G02B6/4203 ,  G02B6/424 ,  G02B6/4245 ,  G02B6/4269 ,  G02B6/4271 ,  G02B6/4286

摘要： There is provided a semiconductor laser device capable of increasing the optical output. The semiconductor laser module comprises a semiconductor laser device (1), an optical fiber (2) that receives light emitted from the semiconductor laser device (1) and a photo diode (3) that monitors optical output of the semiconductor laser device (1). The optical fiber (2) is a lensed fiber having a wedge-shaped lens on its tip and the photo diode (3) placed in the vicinity of the laser light receiving end (2a) of the semiconductor laser device (1) receives reflected light from a reflection surface (2a1) and monitors the optical output of the semiconductor laser device (1).

公开(公告)号：US06734517B2

公开(公告)日：2004-05-11

申请号：US09867449

申请日：2001-05-31

申请人： Jun Miyokawa ,  Yuichiro Irie ,  Etsuji Katayama ,  Kaoru Sekiguchi ,  Kiyokazu Tateno

发明人： Jun Miyokawa ,  Yuichiro Irie ,  Etsuji Katayama ,  Kaoru Sekiguchi ,  Kiyokazu Tateno

IPC分类号： H01L310232

CPC分类号： G02B6/4201 ,  G02B6/4202 ,  G02B6/4203 ,  G02B6/4204 ,  G02B6/4208 ,  G02B6/4237 ,  G02B6/4248

摘要： A semiconductor laser diode module in which a laser diode and an optical fiber are optically coupled with each other efficiently irrespective of an ambient temperature change within the laser diode module. The laser diode module includes a laser diode, an optical system including an optical fiber and a lens portion, a base configured to support the laser diode and at least a portion of the optical system, and a bottom plate configured to support the laser diode, the optical system, and the base. The optical system is configured to receive and transmit a beam emitted from the laser diode through the lens portion to the optical fiber along an optical axis. The base includes a structural support member configured to prevent warping of the base, where the structural support member extends along the base in a direction generally parallel to the optical axis.

摘要翻译： 一种半导体激光二极管模块，其中激光二极管和光纤彼此光学耦合，而与激光二极管模块内的环境温度变化无关。 激光二极管模块包括激光二极管，包括光纤和透镜部分的光学系统，被配置为支撑激光二极管和至少一部分光学系统的基座以及被配置为支撑激光二极管的底板， 光学系统和基座。 光学系统被配置为沿着光轴接收并发射从激光二极管通过透镜部分发射到光纤的光束。 底座包括构造成防止基部翘曲的结构支撑构件，其中结构支撑构件沿着大致平行于光轴的方向沿基座延伸。

公开(公告)号：US07030422B2

公开(公告)日：2006-04-18

申请号：US10622703

申请日：2003-07-21

申请人： Jun Miyokawa ,  Yuichiro Irie ,  Etsuji Katayama ,  Kaoru Sekiguchi ,  Kiyokazu Tateno

发明人： Jun Miyokawa ,  Yuichiro Irie ,  Etsuji Katayama ,  Kaoru Sekiguchi ,  Kiyokazu Tateno

IPC分类号： H01L33/00

CPC分类号： G02B6/4201 ,  G02B6/4202 ,  G02B6/4203 ,  G02B6/4204 ,  G02B6/4208 ,  G02B6/4237 ,  G02B6/4248

摘要： A semiconductor laser diode module in which a laser diode and an optical fiber are optically coupled with each other efficiently irrespective of an ambient temperature change within the laser diode module. The laser diode module includes a laser diode, an optical system including an optical fiber and a lens portion, a holder configured to receive a portion of the optical system, a base having a holder mounting member and a fastening member, and a bottom plate configured to support the base. The holder is mounted to the fastening member at a first joint position, and the fastening member is mounted to the holder mounting member at a second joint position, where the first and second joint positions are located at substantially a same distance from the bottom plate. Alternatively, the first and second joint positions are coplanar with an active layer of the diode. Alternatively, the holder is mounted to the fastening member at a plurality of first joint positions, and the fastening member being mounted to the holder mounting member at a plurality of second joint positions, where the plurality of first and second joint positions are coplanar.

公开(公告)号：US06720582B2

公开(公告)日：2004-04-13

申请号：US09867402

申请日：2001-05-31

申请人： Jun Miyokawa ,  Yuichiro Irie ,  Etsuji Katayama ,  Kaoru Sekiguchi ,  Kiyokazu Tateno

发明人： Jun Miyokawa ,  Yuichiro Irie ,  Etsuji Katayama ,  Kaoru Sekiguchi ,  Kiyokazu Tateno

IPC分类号： H01L3300

CPC分类号： G02B6/4201 ,  G02B6/4202 ,  G02B6/4203 ,  G02B6/4204 ,  G02B6/4208 ,  G02B6/4237 ,  G02B6/4248

摘要： A laser diode module in which a laser diode and an optical fiber are optically coupled with each other efficiently irrespective of an ambient temperature change within the laser diode module. The laser diode module includes a laser diode, an optical system, an optical system mounting member supporting at least a portion of the optical system, a laser diode mounting member, and a bottom plate supporting the laser diode, the optical system, the optical system mounting member, and the laser diode mounting member. The optical system receives and transmits a beam emitted from the laser diode through a lens portion to an optical fiber. The optical system mounting member is attached to the laser diode mounting member. The laser diode module preferably includes a thermo module having a first plate member attached to the laser diode mounting member. The laser diode mounting member is preferably formed of material having an expansion coefficient in a range between an expansion coefficient of the optical system mounting member and an expansion coefficient of the first plate member.

摘要翻译： 激光二极管模块，其中激光二极管和光纤与激光二极管模块内的环境温度变化无关地有效地彼此光耦合。 激光二极管模块包括激光二极管，光学系统，支撑光学系统的至少一部分的光学系统安装构件，激光二极管安装构件和支撑激光二极管的底板，光学系统，光学系统 安装构件和激光二极管安装构件。 光学系统通过透镜部分接收并发射从激光二极管发射的光束到光纤。 光学系统安装构件附接到激光二极管安装构件。 激光二极管模块优选地包括具有附接到激光二极管安装构件的第一板构件的热模块。 激光二极管安装构件优选由具有在光学系统安装构件的膨胀系数和第一板构件的膨胀系数之间的范围内的膨胀系数的材料形成。

公开(公告)号：US07014371B1

公开(公告)日：2006-03-21

申请号：US10465685

申请日：2003-06-20

申请人： Yuichiro Irie ,  Jun Miyokawa ,  Takeo Shimizu

发明人： Yuichiro Irie ,  Jun Miyokawa ,  Takeo Shimizu

IPC分类号： G02B6/36

CPC分类号： G02B6/4237 ,  G02B6/4202 ,  G02B6/4225 ,  G02B6/4226 ,  H01S5/02252 ,  H01S5/02284

摘要： The present invention is related to a laser diode module and a fabricating method therefor, which facilitates the fabrication of the laser diode module in a short time with a low manufacturing cost and high long term reliability. The laser diode module is formed by optically aligning a lens formed fiber disposed within a ferrule to a laser diode element. Ferrule fixing parts are utilized to hold the ferrule in place and are secured in position using a YAG laser welding process.

摘要翻译： 本发明涉及一种激光二极管模块及其制造方法，其以低制造成本和高长期可靠性在短时间内制造激光二极管模块。 激光二极管模块通过将设置在套圈内的透镜形成的光纤与激光二极管元件进行光学对准而形成。 套圈固定部件用于将套圈固定就位并使用YAG激光焊接工艺固定在适当的位置。

公开(公告)号：US06496524B2

公开(公告)日：2002-12-17

申请号：US09739695

申请日：2000-12-20

申请人： Jun Miyokawa ,  Hiroshi Kasahara ,  Yuichiro Irie ,  Takeo Shimizu

发明人： Jun Miyokawa ,  Hiroshi Kasahara ,  Yuichiro Irie ,  Takeo Shimizu

IPC分类号： H01S304

CPC分类号： H01S5/02284 ,  G02B6/4201 ,  G02B6/4202 ,  G02B6/4204 ,  G02B6/4236 ,  G02B6/424 ,  G02B6/4269 ,  G02B6/4271 ,  H01S5/02248 ,  H01S5/02415 ,  H01S5/02438 ,  H01S5/02476

摘要： A laser diode module is provided which is capable of suppressing reduction in the efficiency of laser beam coupling with an optical fiber even in the case where a warp is caused in the mounting surface of a thermo electrical cooler on which a laser diode chip is mounted. A laser diode module has a heat sink and optical coupling portion mounted directly or indirectly on a mounting surface of a thermo electrical cooler. A laser diode chip and the optical coupling portion are located on the same side of the mounting surface along the emitting direction of a laser beam emitted from the laser diode chip, with respect to a first center line (Lcpp) intersecting perpendicularly with a tangential plane tangent to the mounting surface of the thermo electrical cooler at the center thereof and/or a second center line passing through the center of the mounting surface of the thermo electrical cooler and perpendicular to both the first center line and an axis representative of the emitting direction of the laser beam.

摘要翻译： 提供了一种激光二极管模块，其即使在其上安装有激光二极管芯片的热电冷却器的安装表面产生翘曲的情况下也能够抑制光纤激光束耦合的效率的降低。 激光二极管模块具有直接或间接安装在热电冷却器的安装表面上的散热器和光耦合部分。 激光二极管芯片和光耦合部分沿着从激光二极管芯片发射的激光束的发射方向相对于垂直于切向平面交叉的第一中心线（Lcpp）位于安装表面的同一侧上 与热电冷却器在其中心的安装表面相切，和/或穿过热电冷却器的安装表面的中心并垂直于第一中心线和表示发射方向的轴线的第二中心线 的激光束。

公开(公告)号：US06532107B2

公开(公告)日：2003-03-11

申请号：US09895256

申请日：2001-07-02

申请人： Takeharu Yamaguchi ,  Hideo Aoyagi ,  Toshiaki Tsuda ,  Yuichiro Irie ,  Etsuji Katayama ,  Takeo Shimizu

发明人： Takeharu Yamaguchi ,  Hideo Aoyagi ,  Toshiaki Tsuda ,  Yuichiro Irie ,  Etsuji Katayama ,  Takeo Shimizu

IPC分类号： H01S300

CPC分类号： H01S3/094003 ,  H01S3/0941

摘要： An optical amplifier of the present invention comprises a pumping light source configured to output a pumping light, an amplifier unit configured to receive the pumping light from said pumping light source and amplify an optical signal that passes therethrough, and an optical fiber disposed between said pumping light source and said amplifier unit, said optical fiber including an optical filter that is configured to attenuate the optical signal from said amplifier unit.

公开(公告)号：US06606435B1

公开(公告)日：2003-08-12

申请号：US09600199

申请日：2000-08-21

申请人： Yuichiro Irie ,  Jun Miyokawa ,  Takeo Shimizu

发明人： Yuichiro Irie ,  Jun Miyokawa ,  Takeo Shimizu

IPC分类号： G02B626

CPC分类号： G02B6/4237 ,  G02B6/4202 ,  G02B6/4225 ,  G02B6/4226 ,  H01S5/02252 ,  H01S5/02284

摘要： The present invention is related to a laser diode module and a fabricating method therefor, which facilitate the fabrication and enable fabrication in a short time with a low cost and high long-range reliability. With a lens formed fiber (8) and a laser diode element (LD element) (3) aligned with each other, the front side edge portion of the ferule 4 near the LD element 3 are fixedly sandwiched on the both sides thereof by means of a ferule supporting part (6) to form a sandwiched portion (9). By a fulcrum at sandwiched portion (9), the rear side edge portion of the ferule (4) is displaced to re-align the lens formed fiber (8) with the LD element (3). On the both sides for sandwiching the rear edge side of the ferule (4), ferule fixing parts (10) guided by means of a guide portion (11) with a spacing interposed against the ferule (4) are disposed with a spacing within a range of approximately 0 to 5 &mgr;m relative to a side surface of the ferule (4). After the ferule fixing parts (10) have been secured to the guide portion (11), the ferule 4 is fixedly YAG-welded to the ferule fixing parts (10).

摘要翻译： 本发明涉及一种激光二极管模块及其制造方法，其以低成本和高的远程可靠性在短时间内制造和制造。 利用透镜成形光纤（8）和激光二极管元件（LD元件）（3）彼此对准，靠近LD元件3的光伏4的前侧边缘部分通过 纤维支撑部分（6）以形成夹层部分（9）。 通过夹持部分（9）的支点，使小圆筒（4）的后侧边缘部分移位，以使透镜成形光纤（8）与LD元件（3）重新对准。 在用于夹着小丝（4）的后边缘侧的两侧，通过引导部分（11）引导的具有间隔插入到小丝（4）的引导部分（10）的小圆固定部分（10）以 范围为约0至5微米，相对于微丝（4）的侧表面。 在铁钉固定部件10被固定到引导部分11上之后，将微粒4固定在焊盘固定部分10上。

公开(公告)号：US06435736B1

公开(公告)日：2002-08-20

申请号：US09621361

申请日：2000-07-21

申请人： Yuichiro Irie ,  Jun Miyokawa ,  Takeo Shimizu

发明人： Yuichiro Irie ,  Jun Miyokawa ,  Takeo Shimizu

IPC分类号： C02B636

CPC分类号： G02B6/4202 ,  G02B6/424 ,  G02B6/4267 ,  G02B6/4271 ,  G02B6/4286

摘要： The invention relates to an optical device, having high reliability, which is free from any breakage of optical fibers in line with changes in temperature. A laser diode element 1 is disposed in a metal-made package 9, the tip end side of a lensed fiber 2 having a lens 3 formed at the tip end side of the optical fiber is inserted into and fixed at the first ferrule 5, and the first ferrule 5 is fixed on the base 10. The second ferrule 6 is provided at the rear end side of the first ferrule 5 via a spacing, and is inserted into and fixed in the insertion portion 20 of the package 9. And, an intermediate portion of the lensed fiber 2 is inserted into and fixed at the second ferrule 6. A deflection 14 is provided at the lensed fiber 2 between the first ferrule 5 and the second ferrule 6, shown in FIG. 1A, at a temperature lower than the upper limit of the environmental temperature for use. The deflection 14 is used as a means for preventing a tensile strain exceeding the allowable range from being applied to the lensed fiber 2 between the first ferrule 5 and the second ferrule 6 at the upper limit of the environmental temperature for use.

摘要翻译： 本发明涉及一种具有高可靠性的光学装置，其不伴随温度变化而导致光纤损坏。 激光二极管元件1设置在金属制的封装9中，将形成在光纤的前端侧的透镜3的透镜光纤2的前端侧插入并固定在第一套圈5上， 第一套圈5固定在基座10上。第二套圈6经由间隔设置在第一套圈5的后端侧，插入固定在包装体9的插入部20内。另外， 透镜光纤2的中间部分被插入并固定在第二套圈6上。在图1所示的第一套圈5和第二套圈6之间的透镜光纤2处设置偏转部14。 在低于使用环境温度的上限的温度下。 变形14用作防止超过允许范围的拉伸应变在使用环境温度的上限处被施加到第一套圈5和第二套圈6之间的透镜光纤2的装置。

公开(公告)号：US06317550B2

公开(公告)日：2001-11-13

申请号：US09769689

申请日：2001-01-25

申请人： Yuichiro Irie ,  Toshio Kimura ,  Takeo Shimizu

发明人： Yuichiro Irie ,  Toshio Kimura ,  Takeo Shimizu

IPC分类号： G02B602

CPC分类号： G02B6/4203

摘要： There is provided a lensed optical fiber (20) in which a lens is formed on the end face of an optical fiber to enhance the efficiency of optical coupling with a light beam. The tip end portion of an optical fiber (21) is formed with a lens (26) formed into a wedge shape having two slant portions (24) symmetrical with respect to an axis (Ac) of a core (22) and a plane portion (25) perpendicular to the axis of the core.