Lasers and Laser Optics

Laser diode stack beam shaping by reflective two-wedge-angle prism arrays

[+] Author Affiliations
Guoxing Zheng

Chinese Academy of Sciences, State Key Lab of Optical Technologies for Microfabrication, Institute of Optics and Electronics, Chengdu 610209, China

Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

Chunlei Du, Chongxi Zhou, Chunyan Zheng

Chinese Academy of Sciences, State Key Lab of Optical Technologies for Microfabrication, Institute of Optics and Electronics, Chengdu 610209, China E-mail: cldu@ioe.ac.cn

Opt. Eng. 44(4), 044203 (Mar. 30, 2005). doi:10.1117/1.1883240
History: Received Aug. 11, 2004; Revised Nov. 5, 2004; Accepted Nov. 8, 2004; Mar. 30, 2005; Online March 30, 2005
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An innovative beam-shaping method for laser diode stacking is presented by employing a pair of reflective two-wedge-angle prism arrays. Each subprism with two variable wedge angles is designed for deflecting the partial emission from different bars to the dead spaces of the stack, according to the configuration of the real laser diode (LD) stack and the requirement of the system. The formula to determine the parameters of each subprism is deduced by way of geometrical analysis. A beam-shaping system for stack laser diodes with three bars is designed and simulated, and the results show that the stack laser beam is well transformed into a required distribution efficiently. © 2005 Society of Photo-Optical Instrumentation Engineers.

© 2005 Society of Photo-Optical Instrumentation Engineers

Citation

Guoxing Zheng ; Chunlei Du ; Chongxi Zhou and Chunyan Zheng
"Laser diode stack beam shaping by reflective two-wedge-angle prism arrays", Opt. Eng. 44(4), 044203 (Mar. 30, 2005). ; http://dx.doi.org/10.1117/1.1883240


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