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    • 55. 发明专利
    • Article having fiber raman device
    • 具有纤维拉曼装置的文章
    • JP2008197684A
    • 2008-08-28
    • JP2008122813
    • 2008-05-09
    • Lucent Technol Incルーセント テクノロジーズ インコーポレーテッド
    • INNISS DARYLDIGIOVANNI DAVID JOHNJAMESON RALPH STEPHENGREENBERG KOSINSKI SANDRA
    • G02F1/35H01S3/06H01S3/067H01S3/0933H01S3/094H01S3/10H01S3/30
    • H01S3/302H01S3/06754H01S3/094003H01S3/094011H01S3/094042H01S3/094046H01S3/094096H01S3/30
    • PROBLEM TO BE SOLVED: To realize an article having a fiber Raman device which is pumped by the light from seven or more pump LEDs (for example, 14 pump LEDs). SOLUTION: A Raman device 10 has: a silica-based optical fiber 12 that includes at least a first and a second wavelength selective elements 13 and 141, which are disposed to provide one or more optical cavities for Raman shifting of light in the optical fiber 12; a first coupler that combines the pump light of a first wavelength λ 1 from a first pump light source 11 to the optical fiber 12; a means that provides an output light using means with a Raman device output light that is Raman shifted for a wavelength λ 0 which is higher than the wavelength λ 1 ; a second coupler 21 which combines a pump light of the second wavelength λ 2 from a second pump light source 111 to the optical fiber 12. The wavelength λ 1 is different from the wavelength λ 2 , and λ 0 is higher than λ 2 . At least one of the wavelength-selective elements is off resonance regarding at least either λ 1 or λ 2 . COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:实现具有由来自七个或更多个泵浦LED(例如,14个泵浦LED)的光泵浦的光纤拉曼装置的物品。 解决方案:拉曼装置10具有:基于二氧化硅的光纤12,其包括至少第一和第二波长选择元件13和141,所述第二和第二波长选择元件13和141设置成提供一个或多个光腔,用于将光的拉曼移位 光纤12; 将来自第一泵浦光源11的第一波长λ 1 的泵浦光组合到光纤12的第一耦合器; 提供输出光的装置,其具有拉曼装置输出光,该拉曼装置输出光是高于波长λ 1 的波长λ 0 的拉曼。 第二耦合器21,其将来自第二泵浦光源111的第二波长λ 2 的泵浦光组合到光纤12.波长λ 1 不同于 波长λ 2 ,λ 0 高于λ 2 。 至少一个波长选择元件关于至少λ 1 或λ 2 的共振。 版权所有(C)2008,JPO&INPIT
    • 60. 发明专利
    • Optical frequency comb stimulated brillouin scattering gyroscope
    • 光学频率组合激光荧光散射陀螺仪
    • JP2014115284A
    • 2014-06-26
    • JP2013250008
    • 2013-12-03
    • Honeywell Internatl Incハネウェル・インターナショナル・インコーポレーテッド
    • JIANFENG WUQUI TIEQUNGLENN A SAUNDERSLEE K STRANDJORD
    • G01C19/72G02B6/02
    • H01S3/302G01C19/727H01S3/30
    • PROBLEM TO BE SOLVED: To provide a low-cost and high-performance gyroscope using an optical frequency comb stimulated Brillouin scattering gyroscope, for navigation systems, precision point systems, and guidance systems.SOLUTION: A systems comprises a light source configured to produce a multiple-frequency light beam based on an optical frequency comb, and an optical fiber resonator. The multiple-frequency light beam propagates in a first direction within the optical fiber resonator on the basis of a generated optical frequency comb, and the multiple-frequency light beam generates stimulated Brillouin scattering on the basis of the optical frequency comb, and the stimulated Brillouin scattering generates a stimulated Brillouin scattering light beam to propagate in the optical fiber resonator in a second direction opposite to the first direction. The system also comprises: at least one servo that controls the frequencies of the optical frequency comb so that a plurality of component frequencies of the optical frequency comb are locked on resonance peaks of the optical fiber resonator in the first direction; and a mixer configured to determine a frequency difference between the stimulated Brillouin scattering light beam and the multiple-frequency light beam.
    • 要解决的问题:提供一种使用光学频率梳状刺激的布里渊散射陀螺仪的低成本和高性能的陀螺仪,用于导航系统,精密点系统和引导系统。解决方案:A系统包括被配置为产生 基于光频梳的多频光束和光纤谐振器。 多频光束基于所生成的光频梳在光纤谐振器内沿第一方向传播,并且多频光束基于光频梳而产生受激布里渊散射,并且被激发的布里渊 散射产生受激布里渊散射光束,在与第一方向相反的第二方向上在光纤谐振器中传播。 该系统还包括:控制光频梳的频率的至少一个伺服器,使得光频率梳的多个分量频率在第一方向上被锁定在光纤谐振器的谐振峰上; 以及配置为确定受激布里渊散射光束和多频光束之间的频率差的混合器。