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    • 16. 发明授权
    • Discharge-pumped “dressed-atom” coherent light amplifier and generators
    • 放电泵浦“穿透原子”相干光放大器和发生器
    • US07106776B1
    • 2006-09-12
    • US10633355
    • 2003-08-01
    • Peter P. SorokinJames GlowniaRodney T. Hodgson
    • Peter P. SorokinJames GlowniaRodney T. Hodgson
    • H01S3/14H01S3/223
    • H01S3/2366H01S3/0085H01S3/0971H01S3/1086H01S3/2207H01S3/227H01S3/2308
    • A novel practicable type of gaseous optical gain medium for efficiently generating intense, highly monochromatic, continuous-wave (CW) or pulsed, coherent light beams is disclosed. Gain results from nonlinear optical pumping of a gas of Λ-type “three-level” atoms, coherently phased (“dressed”) via application to the medium of two monochromatic laser beams tuned to the resonance frequencies ω0 and ω′0. Nonlinear optical pumping of the “dressed-atom” gas is accomplished through the combined action of two separate physical processes: (1) A low pressure gaseous discharge, occurring continuously within the vessel containing the gain medium, produces intense narrow-band fluorescence at ω0 and ω′0 through the process of electron impact excitation (EE). (2) Via a specific form of the nonlinear photonic process of stimulated hyper-Raman scattering (SHRS), photons comprised by the narrow-band fluorescence generated in (1) are efficiently converted to photons comprised by the propagating coherent light beams at ω0 and ω′0, thus effecting amplification of the latter.
    • 公开了一种用于有效地产生强烈,高度单色,连续波(CW)或脉冲相干光束的气体光学增益介质的新颖实用的类型。 通过应用于调谐到谐振频率ω2的两个单色激光束的介质,将λ型“三电平”原子的气体的非线性光泵浦获得相位相位(“穿透”)的结果。 >和ω''0 。 “穿透原子”气体的非线性光泵浦通过两个独立的物理过程的组合作用来实现:(1)在含有增益介质的容器内连续发生的低压气体放电,在欧米茄产生强烈的窄带荧光 通过电子轰击激发(EE)的过程,0 和ω'0 < (2)通过激发的超拉曼散射(SHRS)的非线性光子过程的特定形式,由(1)中生成的窄带荧光包含的光子被有效地转换成由传播的相干光束构成的光子, SUB> 0和ω'0 <0>,从而进行后者的扩增。