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    • 2. 发明授权
    • Method and apparatus for suppression of four-wave mixing using polarization control with a high power polarization maintaining fiber amplifier system
    • 用于利用具有高功率偏振维持光纤放大器系统的偏振控制来抑制四波混频的方法和装置
    • US08493650B2
    • 2013-07-23
    • US13351654
    • 2012-01-17
    • Joshua E. RothenbergPeter A. Thielen
    • Joshua E. RothenbergPeter A. Thielen
    • H04B10/22
    • H01S3/06712H01S3/1308H01S3/2316H01S3/2391H01S2301/03
    • A method and apparatus for suppression of four-wave mixing using polarization control with a high power polarization maintaining fiber amplifier system. The apparatus includes a master oscillator (MO) that generates a beam; a polarization controller that receives the beam from the MO and transmits the beam with a desired polarization; a pre-amplifier that receives the beam from the polarization controller, pre-amplifies the beam, and transmits the beam; a high power fiber amplifier that receives the beam from the pre-amplifier, amplifies the beam, and transmits an output beam; and a polarization detector that detects the polarization of the output beam. The polarization detector transmits feedback to the polarization controller to ensure that the output beam components aligned with the principal birefringent axes of the high power fiber amplifier have approximately equal power.
    • 一种使用具有高功率偏振保持光纤放大器系统的偏振控制来抑制四波混频的方法和装置。 该装置包括产生光束的主振荡器(MO); 偏振控制器,其从所述MO接收所述光束并以期望的偏振透射所述光束; 接收来自偏振控制器的光束的前置放大器预放大光束并传输光束; 接收来自前置放大器的光束的高功率光纤放大器,放大光束并传输输出光束; 以及偏振检测器,其检测输出光束的偏振。 偏振检测器将反馈传输到偏振控制器,以确保与大功率光纤放大器的主双折射轴对准的输出光束分量具有近似相等的功率。
    • 5. 发明授权
    • Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method
    • 气体填充中空硫族化合物光子带隙光纤拉曼装置及方法
    • US07283712B2
    • 2007-10-16
    • US11122203
    • 2005-05-03
    • L. Brandon ShawJasbinder S. SangheraIshwar D. AggarwalPeter A. Thielen
    • L. Brandon ShawJasbinder S. SangheraIshwar D. AggarwalPeter A. Thielen
    • G02B6/32
    • G02B6/02328C03B2201/86C03B2203/16C03B2203/42G02B6/02347G02B6/032H01S3/06741H01S3/302
    • This invention pertains to a glass fiber, a Raman device and a method. The fiber is a hollow core photonic bandgap chalcogenide glass fiber that includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region disposed around said core, and a solid region disposed around said microstructured region for providing structural integrity to said microstructured region. The device includes a coupler for introducing at least one light signal into a hollow core of a chalcogenide photonic bandgap fiber; a hollow core chalcogenide photonic bandgap glass fiber; a microstructured fiber region disposed around said core; a solid fiber region disposed around said microstructured region for providing structural integrity to said microstructured region; and a Raman active gas disposed in the hollow core. The method includes the steps of introducing a light beam into a hollow core chalcogenide photonic bandgap glass fiber filled with a Raman active gas disposed in the core, conveying the beam through the core while it interacts with the gas to form a Stokes beam of a typically higher wavelength, and removing the Stokes beam from the core of the fiber.
    • 本发明涉及玻璃纤维,拉曼装置和方法。 纤维是中空核光子带隙硫族化物玻璃纤维,其包括用于使光通过的中空芯,布置在所述芯中的拉曼活性气体,围绕所述芯设置的微结构化区域,以及设置在所述微结构区域周围的固体区域,用于提供结构 对所述微结构区域的完整性。 该装置包括耦合器,用于将至少一个光信号引入到硫族化物光子带隙光纤的中空芯中; 空心核硫属元素光子带隙玻璃纤维; 设置在所述芯周围的微结构化纤维区域; 设置在所述微结构区域周围的固体纤维区域,用于向所述微结构化区域提供结构完整性; 和设置在中空芯中的拉曼活性气体。 该方法包括以下步骤:将光束引入到填充有设置在芯中的拉曼活性气体的中空核心硫族化物光子带隙玻璃纤维中,在与气体相互作用的同时将光束传送通过核心,以形成典型的斯托克斯光束 更高的波长,并从纤芯的核心去除斯托克斯光束。