Chinese Journal of Lasers B, 2001, 10 (4): 241, 网络出版: 2006-08-10  

Study on the Beam Quality of Uncoupled Laser Diode Arrays

作者单位
1 Dept. of Electronics, Peking University, Key Laboratory for Quantum Information and Measurement, MOE, Beijing 100871, China
2 Optical Engineering Department, Beijing Institute of Technology,Beijing 100081, China
摘要
Abstract
The beam quality of uncoupled laser diode array is studied theoretically and experimentally. By calculating the second order moments of the beam emitted from the laser diode array, the dependence of the M2-factor of the laser diode array on the M2-factor of the single emitter, the ratio of the emitting region to the non-emitting space, and the number of emitters, has been deduced. From the measurement of the beam propagation the M2-factor of a laser diode bar is experimentally determined. The measured M2-factor of the laser diode bar agrees with the theoretical prediction.

CHEN Jingbiao, WANG Fengzhi, YANG Donghai, WANG YiQiu, GAO Chunqing, WEI Guanghui. Study on the Beam Quality of Uncoupled Laser Diode Arrays[J]. Chinese Journal of Lasers B, 2001, 10(4): 241. CHEN Jingbiao, WANG Fengzhi, YANG Donghai, WANG YiQiu, GAO Chunqing, WEI Guanghui. [J]. 中国激光(英文版), 2001, 10(4): 241.

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