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    • 16. 发明授权
    • Amplification by means of dysprosium doped low phonon energy glass
waveguides
    • 通过镝掺杂的低声子能量玻璃波导进行放大
    • US5973824A
    • 1999-10-26
    • US920877
    • 1997-08-29
    • Jasbinder SangheraBrandon ShawBrian ColeBarry HarbisonIshwar D. Aggarwal
    • Jasbinder SangheraBrandon ShawBrian ColeBarry HarbisonIshwar D. Aggarwal
    • H01S3/06G02B6/02H01S3/067H01S3/16H01S3/17
    • H01S3/06716G02B6/02H01S3/1606
    • Disclosed herein is an amplification method, an optical glass amplifier, a laser based on the amplifier and an amplification optical communication system, all based on a limited length of a single-mode glass fiber made from glass having phonon energy of less than about 350 cm.sup.-1 and doped with dysprosium. The glass includes 0.1-30 mol % germanium, 0-40 mol % arsenic, 0.01-20 mol % X, 0.01-20 mol % Y, and 0.001-2 weight % dysprosium, wherein X is selected from the group consisting of gallium, indium and mixtures thereof selenium; and wherein Y is selected from the group consisting of selenium, and mixtures of selenium and up to 50% of sulfur. The system includes a coupler, a silica-based signal fiber carrying the optical signal that is to be amplified in communication with said coupling means, a pump light source in communication with the coupler, an amplifier in communication with the coupler at one end and another silica-based fiber joined to the amplifier at its other end. The method includes the steps of introducing the optical signal to be amplified into the coupler, introducing a pump optical signal into the coupling means, combining the optical signal and the pump optical signal, introducing the combined optical signal into the amplifier and amplifying the optical signal by exciting the electrons in dysprosium so they emit at about 1.3 .mu.m.
    • 本文公开了放大方法,光学玻璃放大器,基于放大器的激光器和放大光通信系统,所有这些都基于由具有小于约350cm的声子能量的玻璃制成的单模玻璃纤维的有限长度 -1并掺杂镝。 该玻璃包括0.1-30mol%的锗,0-40mol%的砷,0.01-20mol%的X,0.01-20mol%的Y和0.001-2wt%的镝,其中X选自镓, 铟及其混合物硒; 并且其中Y选自硒,以及硒和高达50%的硫的混合物。 该系统包括耦合器,承载要与所述耦合装置通信的放大的光信号的基于二氧化硅的信号光纤,与耦合器通信的泵浦光源,在一端与耦合器连通的放大器和另一端 二氧化硅基纤维在其另一端连接到放大器。 该方法包括以下步骤:将要放大的光信号引入耦合器,将泵浦光信号引入耦合装置,组合光信号和泵浦光信号,将组合的光信号引入放大器并放大光信号 通过激发镝中的电子,使其发射约为1.3μm。
    • 19. 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。
    • 20. 发明申请
    • FIBER LASER SYSTEM USING FIBER HAVING DYSPROSIUM
    • 光纤激光系统使用光纤
    • US20080219298A1
    • 2008-09-11
    • US12027417
    • 2008-02-07
    • Joon Tae AHNHong-Seok SEOBong Je PARK
    • Joon Tae AHNHong-Seok SEOBong Je PARK
    • H01S3/30
    • H01S3/0675H01S3/08022H01S3/0826H01S3/094003H01S3/094046H01S3/1606
    • Provided is a fiber laser system including fiber containing dysprosium. The fiber laser system uses 1.7-μμm 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。 光纤激光系统采用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。 光纤激光器系统包括:包括镝的光纤,设置在光纤侧面的泵浦光源,并且发射具有来自地能能级别的镝的激发电子的波长的泵浦光。 15/2 到能级6 H 11/2 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。