Chinese Optics Letters, 2016, 14 (12): 121401, Published Online: Aug. 2, 2018   

Revisiting the laser frequency locking method using acousto-optic frequency modulation transfer spectroscopy Download: 1118次

Author Affiliations
1 Department of Instrument Science and Technology, College of Mechatronic Engineering and Automation, National University of Defense Technology, Changsha 410073, China
2 Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha 410073, China
Abstract
We present a laser frequency locking system based on acousto-optic modulation transfer spectroscopy (AOMTS). Theoretical and experimental investigations are carried out to optimize the locking performance mainly from the view of the modulation frequency and index for the specific scheme of AOMTS. An FWHM linewidth of 63 kHz is achieved and the frequency stability in terms of Allan standard deviation reaches 1.4×10 12 at 30 s. The frequency shifting capacity is validated throughout the acousto-optic modulator bandwidth while the laser is kept locked. This work offers a different but efficient choice for applications calling for both stabilized and tunable laser frequencies.

Yukun Luo, Shuhua Yan, Aiai Jia, Chunhua Wei, Zehuan Li, Enlong Wang, Jun Yang. Revisiting the laser frequency locking method using acousto-optic frequency modulation transfer spectroscopy[J]. Chinese Optics Letters, 2016, 14(12): 121401.

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