作者: Yihan Xiong , Sytil Murphy , John L Carlsten , Kevin S Repasky
DOI: 10.1117/1.2738982
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摘要: A 17.84-cm-long Littrow external cavity diode laser at 823 nm is mode-locked by actively modulating the current a 840.843-MHz fundamental harmonic frequency. This di- ode has an overall spectral width of 0.16 or 71 GHz, roughly corresponding to 84 longitudinal modes, temporal pulse 63 ps, and average power 1 mW. Using Pound-Drever-Hall technique with both fast slow servo corrections, this then frequency-stabilized sealed optical fi- nesse 6000. To author's knowledge, first frequency stabilization such high-finesse