Heterodyne research on times delay of laser pulses based on active Fabry-Perot cavity | Zendy

Yan Bai | Zendy; WeiJiang Zhao | Zendy; Deming Ren | Zendy; Yanchen Qu | Zendy; Chuang LIU | Zendy; Yuan Jin-He | Zendy; Qian Li-ming | Zendy; Zhenlei Chen | Zendy

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Heterodyne research on times delay of laser pulses based on active Fabry-Perot cavity

Author(s) -

Yan Bai,

WeiJiang Zhao,

Deming Ren,

Yanchen Qu,

Chuang LIU,

Yuan Jin-He,

Qian Li-ming,

Zhenlei Chen

Publication year - 2012

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.61.094218

Subject(s) - fabry–pérot interferometer , optics , heterodyne (poetry) , laser , pulse (music) , physics , materials science , population , laser diode , detector , acoustics , demography , sociology

The delay theoretical analysis result of single-longitudinal-mode pulse injected in active Fabry-Perot cavity has been obtained. The gain in Fabry-Perot cavity has been calculated and the numerical simulation result of output pulse has been obtained. The results show that when the energy of the pulse decreases at a certain value, the gain produced by increased pump particle population can compensate the loss in the cavity and the delay pulse can achieve steady state. In experiment, the active Fabry-Perot cavity is a Nd: YAG laser sided pumped by laser diode. For the pulse inputed externally, we achieve 140 pulses within 2 ups. Finally, the reference light is delayed using the active Fabry-Perot cavity. And we show the heterodyne experiment of signal light whose frequency shift generated by an acousto-optic modulation (AOM), and the experiment results accord with the frequency shift of the AOM and the error is less than 4%.

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