LabVIEW-based laser frequency stabilization system with phase-sensitive detection servo loop for Doppler LIDAR applications

John A. Smith; Xinzhao Chu; Wentao Huang; Arne Johannes Wiig; Archie Brown

doi:10.1117/1.3013257

1 November 2008 LabVIEW-based laser frequency stabilization system with phase-sensitive detection servo loop for Doppler LIDAR applications

John A. Smith, Xinzhao Chu, Wentao Huang, Arne Johannes Wiig, Archie Brown

Author Affiliations +

Optical Engineering, Vol. 47, Issue 11, 114201 (November 2008). https://doi.org/10.1117/1.3013257

Abstract

Resonance fluorescence Doppler lidars using Doppler shift and spectral broadening effects are the principal instruments to simultaneously measure wind and temperature in the middle atmosphere. Such lidars demand high accuracy, precision, and stability of the laser optical frequency. Current resonance Doppler lidars suffer various problems in frequency stabilization that limit their locking precision and stability. We have addressed these problems by developing a LabVIEW®-based laser frequency locking system. This new system utilizes wavelength-modulation and phase-sensitive-detection techniques in conjunction with a proportional-integral-derivative feedback servo loop. It achieves better than ±1-MHz locking precision and stability over 1 h. The system also remains locked throughout a series of abrupt disturbance tests. Owing to its high locking precision, immunity to electronic and laser noise, reliability, and flexibility in adapting for various systems, we believe that this new system represents a marked improvement in resonance Doppler lidar technology.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

John A. Smith, Xinzhao Chu, Wentao Huang, Arne Johannes Wiig, and Archie Brown "LabVIEW-based laser frequency stabilization system with phase-sensitive detection servo loop for Doppler LIDAR applications," Optical Engineering 47(11), 114201 (1 November 2008). https://doi.org/10.1117/1.3013257

Published: 1 November 2008

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