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Proceedings Paper

Laser frequency-offset locking based on the frequency modulation spectroscopy with higher harmonic detection
Author(s): Anqi Wang; Zhixin Meng; Yanying Feng
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Paper Abstract

We design a fiber electro-optic modulator (FEOM)-based laser frequency-offset locking system using frequency modulation spectroscopy (FMS) with the 3F modulation. The modulation signal and the frequency-offset control signal are simultaneously loaded on the FEOM by a mixer in order to suppress the frequency and power jitter caused by internal modulation on the current or piezoelectric ceramic transducer (PZT). It is expected to accomplish a fast locking, a widely tunable frequency-offset, a sensitive and rapid detection of narrow spectral features with the 3F modulation. The laser frequency fluctuation is limited to ±1MHz and its overlapping Allan deviation is around 10-12 in twenty minutes, which successfully meets the requirements of the cold atom interferometer.

Paper Details

Date Published: 24 October 2017
PDF: 7 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572U (24 October 2017); doi: 10.1117/12.2284949
Show Author Affiliations
Anqi Wang, Tsinghua Univ. (China)
Zhixin Meng, Tsinghua Univ. (China)
Yanying Feng, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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