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    • 5. 发明申请
    • Gain-clamped optical amplifier using double-clad fiber
    • 增益钳位光放大器采用双包层光纤
    • US20080267227A1
    • 2008-10-30
    • US11982166
    • 2007-10-31
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • H01S3/30
    • H01S3/06754H01S3/06729H01S3/1302
    • Provided is a gain-clamped optical amplifier amplifying light without bandwidth loss of an incident optical signal, and the gain-clamped optical amplifier using a double-clad fiber comprises: an optical fiber including a core doped with a gain material for amplifying an optical signal, a primary clad adjacent to the outside of the core and having a lower refractive index than the core, and a secondary clad adjacent to the outside of the primary clad and having a lower refractive index than the primary clad; a light emitting element emitting a pump light for population inversion of the gain material; and a cavity unit producing laser oscillation by resonating spontaneous emission light emitted from the gain material population-inverted by the pump light.
    • 本发明提供一种增益钳位光放大器,其放大入射光信号的带宽损耗的光,并且使用双包层光纤的增益钳位光放大器包括:包含掺杂有用于放大光信号的增益材料的核的光纤 邻近核心的外部的初级包层并且具有比芯部更低的折射率,以及邻近初级包层的外侧且具有比初级包层低的折射率的次级包层; 发射用于增益材料的群体反转的泵浦光的发光元件; 以及腔体单元,通过使从由泵浦光反转的增益材料发射的自发发射光共振来产生激光振荡。
    • 7. 发明授权
    • Light coupler and fiber laser system including the same
    • 光耦合器和光纤激光系统包括相同的
    • US07957432B2
    • 2011-06-07
    • US12379513
    • 2009-02-24
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • H01S3/30H01S3/03
    • G02B6/2804G02B6/2813H01S3/094003
    • A light coupler emitting a high power laser with a high beam quality and a fiber laser system including the light coupler is disclosed. The light coupler includes a first optical fiber bundle comprising a plurality of first optical fibers having either a single-mode core or a few-mode core and a second optical fiber, which guides multi-mode beams and is connected to the first optical fiber bundle. The optical fiber laser system includes a light coupler having a first optical fiber bundle comprising a plurality of first optical fiber having either a single-mode core or a few-mode core and a second optical fiber, which is connected to the first optical fiber bundle, is either a single cladding optical fiber or a double cladding optical fiber, and guides multi-mode beams, and one or more gain medium optical fiber, which is connected to the light coupler and emits light.
    • 公开了发射具有高光束质量的高功率激光器和包括光耦合器的光纤激光器系统的光耦合器。 光耦合器包括第一光纤束,其包括具有单模芯或多模芯的多个第一光纤和第二光纤,其引导多模光束并连接到第一光纤束 。 光纤激光器系统包括具有第一光纤束的光耦合器,第一光纤束包括具有单模核或多模芯的多个第一光纤和第二光纤,第一光纤连接到第一光纤束 是单包层光纤或双包层光纤,并且引导多模光束以及连接到光耦合器并发光的一个或多个增益介质光纤。
    • 8. 发明申请
    • Light coupler and fiber laser system including the same
    • 光耦合器和光纤激光系统包括相同的
    • US20100111118A1
    • 2010-05-06
    • US12379513
    • 2009-02-24
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • Hong Seok SeoJoon Tae AhnBong Je Park
    • H01S3/067G02B6/26
    • G02B6/2804G02B6/2813H01S3/094003
    • A light coupler emitting a high power laser with a high beam quality and a fiber laser system including the light coupler is disclosed. The light coupler includes a first optical fiber bundle comprising a plurality of first optical fibers having either a single-mode core or a few-mode core and a second optical fiber, which guides multi-mode beams and is connected to the first optical fiber bundle. The optical fiber laser system includes a light coupler having a first optical fiber bundle comprising a plurality of first optical fiber having either a single-mode core or a few-mode core and a second optical fiber, which is connected to the first optical fiber bundle, is either a single cladding optical fiber or a double cladding optical fiber, and guides multi-mode beams, and one or more gain medium optical fiber, which is connected to the light coupler and emits light.
    • 公开了发射具有高光束质量的高功率激光器和包括光耦合器的光纤激光器系统的光耦合器。 光耦合器包括第一光纤束,其包括具有单模芯或多模芯的多个第一光纤和第二光纤,其引导多模光束并连接到第一光纤束 。 光纤激光器系统包括具有第一光纤束的光耦合器,第一光纤束包括具有单模核或多模芯的多个第一光纤和第二光纤,第一光纤连接到第一光纤束 是单包层光纤或双包层光纤,并且引导多模光束以及连接到光耦合器并发光的一个或多个增益介质光纤。
    • 9. 发明授权
    • Fiber laser system using fiber having dysprosium
    • 光纤激光系统采用镝光纤
    • US07616668B2
    • 2009-11-10
    • US12027417
    • 2008-02-07
    • Joon Tae AhnHong-Seok SeoBong Je Park
    • Joon Tae AhnHong-Seok SeoBong Je Park
    • H01S3/30H01S3/14H01S3/09
    • H01S3/0675H01S3/08022H01S3/0826H01S3/094003H01S3/094046H01S3/1606
    • Provided is a fiber laser system including fiber containing dysprosium. The fiber laser system uses 1.7-μm pump light. A resonator of the fiber laser system includes a dichroic mirror, a partial reflection mirror, and/or an FBG. Therefore, the fiber laser system can provide 3-μm laser light and have high light pumping efficiency and high output power. The fiber laser system includes: fiber including dysprosium, a pump light source disposed at a side of the fiber and emitting pump light having a wavelength exciting electrons of the dysprosium from a ground energy level 6H15/2 to an energy level 6H11/2; a first reflection member, disposed between the fiber and the pump light source, transmitting the pump light, and reflecting first lasing light having a first wavelength; and a second reflection member, disposed at a side opposite to the pump light source with respect to the fiber, transmitting a portion of the first lasing light.
    • 提供了包含含有镝的纤维的光纤激光系统。 光纤激光系统使用1.7毫米泵浦光。 光纤激光系统的谐振器包括二向色镜,部分反射镜和/或FBG。 因此,光纤激光系统可以提供3mum激光,具有高的光泵效率和高输出功率。 光纤激光系统包括:包括镝的光纤,设置在光纤侧面的泵浦光源,并且将具有从地面能级6H15 / 2的激发电子的镝的波长的泵浦光发射到能级6H11 / 2; 第一反射构件,设置在所述光纤和所述泵浦光源之间,透射所述泵浦光,并且反射具有第一波长的第一激光; 以及第二反射构件,其相对于所述光纤设置在与所述泵浦光源相对的一侧,透射所述第一激光的一部分。