公开(公告)号：US20040240498A1

公开(公告)日：2004-12-02

申请号：US10806351

申请日：2004-03-23

申请人： KABUSHIKI KAISHA TOSHIBA

发明人： Naoki Akamatsu ,  Kazuyoshi Fuse ,  Tooru Sugiyama ,  Ko Sato

IPC分类号： H01S003/04

CPC分类号： H01S5/02415 ,  H01S5/005 ,  H01S5/02212 ,  H01S5/02272 ,  H01S5/024 ,  H01S5/02476 ,  H01S5/4025 ,  H01S5/4087 ,  H04N9/3144

摘要： A semiconductor laser module comprising, a semiconductor laser element, an electronic cooling element configured to allow heat from the semiconductor laser element to be transmitted thereto, a heat sink configured to allow the heat which is transmitted to the electronic cooling element to be released, an optical system configured to conduct a laser beam which is emitted from the semiconductor laser element to an optical fiber cable, and a heat resistance section configured to transmit the heat of the optical system to the electronic cooling element, having a heat resistance greater than a heat resistance when the heat of the semiconductor laser element is transmitted to the electronic cooling element.

摘要翻译： 一种半导体激光器模块，包括：半导体激光元件，被配置为允许来自所述半导体激光元件的热量传递到其的电子冷却元件;散热器，被配置为允许传递到所述电子冷却元件的热被释放; 光学系统，被配置为将从半导体激光元件发射的激光束传导到光纤电缆;以及耐热部，被配置为将光学系统的热量传递到电子冷却元件，该热电阻部分的耐热性大于热 当半导体激光元件的热传递到电子冷却元件时的电阻。

公开(公告)号：US20040240495A1

公开(公告)日：2004-12-02

申请号：US10830018

申请日：2004-04-23

申请人： KABUSHIKI KAISHA TOSHIBA

发明人： Naoki Akamatsu

IPC分类号： H01S003/13

CPC分类号： G03B21/16 ,  H01S5/02415 ,  H01S5/042 ,  H01S5/06804 ,  H01S5/06837 ,  H01S5/4025 ,  H01S5/4087

摘要： A laser light output apparatus comprises a semiconductor laser which has a suitable operating temperature, a driving section which supplies a driving current to the semiconductor laser, a temperature sensing section which senses the temperature of the semiconductor laser, an electronic temperature control section which controls the temperature of the semiconductor laser to the suitable operating temperature on the basis of the temperature sensed by the temperature sensing section in a state where at least the semiconductor laser is being driven, and a driving current control section which sets the driving current to an initial value smaller than a steady value at the suitable operating temperature at the start time of the driving of the semiconductor laser and changes the driving current to the steady value as the temperature of the semiconductor laser changes to the suitable operating temperature under the control of the electronic temperature control section.

摘要翻译： 激光输出装置包括具有合适的工作温度的半导体激光器，向半导体激光器提供驱动电流的驱动部分，感测半导体激光器的温度的温度检测部分，控制半导体激光器的温度的电子温度控制部分 基于在至少半导体激光器被驱动的状态下由温度感测部检测到的温度，将半导体激光器的温度调节到合适的工作温度;以及驱动电流控制部，其将驱动电流设定为初始值 小于在驱动半导体激光器的起始时间的适当工作温度下的稳定值，并且随着半导体激光器的温度在电子温度的控制下变化到合适的工作温度，将驱动电流改变到稳定值 控制部分。

公开(公告)号：US20020037134A1

公开(公告)日：2002-03-28

申请号：US09961340

申请日：2001-09-25

申请人： KABUSHIKI KAISHA TOSHIBA

发明人： Naoki Akamatsu ,  Kiyoyuki Kawai ,  Masanobu Kimura ,  Kazuyoshi Fuse ,  Tooru Sugiyama ,  Ko Sato

IPC分类号： G02B006/26 ,  G02B006/22 ,  H01S003/091 ,  H01S003/067

CPC分类号： G02B6/12007 ,  G02B6/122 ,  G02B6/42 ,  H01S3/067 ,  H01S3/0675 ,  H01S3/094007 ,  H01S3/0941

摘要： An optical fiber, having a fiber cladding and a fiber core doped with laser active material, is embedded in an optical waveguide core having a refractive index almost equal to that of the optical fiber cladding, and pumping light is guided, in a side pumping manner, from the semiconductor laser via the light-guiding section. The guided pumping light is absorbed by the laser active material, as it propagates and moves around in the optical waveguide core in a fixed direction. Because the optical waveguide core is ring-shaped and enclosed by the optical waveguide cladding having a low refractive index, the rest of the guided pumping light propagates and moves around in the optical waveguide core again. Therefore, a laser active material in the optical fiber core can be pumped efficiently.

摘要翻译： 具有光纤包层和掺杂有激光活性材料的光纤芯的光纤被嵌入到折射率几乎等于光纤包层折射率的光波导芯中，泵浦光以侧向抽吸方式被引导 ，从半导体激光器经由导光部。 引导泵浦光被激光活性材料吸收，因为它在固定方向上传播并在光波导芯中移动。 由于光波导芯是环形的，并被具有低折射率的光波导包层围绕，所以其余的引导泵浦光再次在光波导芯中传播和移动。 因此，可以有效地泵浦光纤芯中的激光活性物质。