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Widely tunable continuous-wave Raman laser in diatomic hydrogen pumped by an external-cavity diode laser

机译:外腔二极管激光器泵浦的双原子氢中的可调谐连续波拉曼激光器

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摘要

What is to the authors' knowledge the first experimental demonstration of a nonresonant cw Raman laser pumped by a tunable external-cavity diode laser (ECDL) is presented. The ECDL is phase-frequency locked to a high-finesse Raman laser cavity containing diatomic hydrogen (H_(2)) by the Pound-Drever-Hall locking technique. The Stokes lasing threshold occurs at a pump power of 400±30 μW, and a maximum photon conversion efficiency of 12.0±1.3% is achieved at 1.6 mW of pump power. A 40-nm tuning range of the cw Stokes emission, 1174-1214 nm, is obtained by tuning of the wavelength of the ECDL pump source.
机译:据作者所知,首次展示了可调谐外腔二极管激光器(ECDL)泵浦的非共振连续拉曼激光器的实验。通过Pound-Drever-Hall锁定技术将ECDL相频锁定到包含双原子氢(H_(2))的高级拉曼激光腔中。斯托克斯激射阈值出现在泵浦功率为400±30μW的情况下,而泵浦功率为1.6 mW时,最大光子转换效率为12.0±1.3%。通过调节ECDL泵浦光源的波长,可得到40nm的cw斯托克斯发射调谐范围1174-1214 nm。

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