Chinese Optics Letters, 2011, 9 (8): 081406, Published Online: Jun. 22, 2011  

Beam steering of external cavity diode laser by an intracavity electro-optic ceramic deflector Download: 669次

Author Affiliations
1 Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
A novel beam-steering external cavity diode laser using an intracavity lead lanthanum zirconate titanate (PLZT) electro-optic ceramic deflector is proposed and demonstrated experimentally. The laser consists of a semiconductor laser with single mode fiber coupled output, polarization controller, PLZT electro-optic ceramic deflector, and output concave mirror. By applying proper driven electrical signals on the PLZT electro-optic deflector, the beam deflection angle achieves 5.8 mrad at 1 000 V. A high-speed beam-steering property with less than 120-ns switching time is also observed. Moreover, a good beam quality with Gaussian spatial profile and a linear polarization state are obtained.

Min Gao, Qing Ye, Zuoren Dong, Zhenglan Bian, Zujie Fang, Haiwen Cai, Ronghui Qu. Beam steering of external cavity diode laser by an intracavity electro-optic ceramic deflector[J]. Chinese Optics Letters, 2011, 9(8): 081406.

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