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Proceedings Paper

Design of collimating and rearrangement systems of laser diode array beam
Author(s): Runmei Gao; Tao Fang; Rulian Fu; Jianquan Yao
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Paper Abstract

To improve the laser diode output beam quality, micro-cylindrical lens and the step-type lens combination are designed. The former is used to collimate beam in fast-axis direction, while the latter plays a role in the slow-axis of splitting and the rearrangement. The micro-column semi-elliptical lens is made with the drops of spherical zoom lensin electric field and with the help of the material properties of light-cured production, which can reduce the reflection of the front surface and total reflection loss of the after. The divergence angle in the fast axis is compressed to roughly the same as that in the slow-axis direction; Stepped lens splits compressed long strip beam in the slow axis, with parallelogram style of level equidistant and rearrange in the fast axis direction. The spot in the slow axis gets smaller and the spot becomes larger in the fast axis. At last divergence angle and the beam spot achieve balanced in the fast axis and slow axis, optical parameters BPP integrates approximate the same, and beam quality can be improved.

Paper Details

Date Published: 15 October 2015
PDF: 6 pages
Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 96760N (15 October 2015); doi: 10.1117/12.2199342
Show Author Affiliations
Runmei Gao, Tianjin Univ. (China)
Guilin Univ. of Technology (China)
Tao Fang, Nankai Univ. (China)
Rulian Fu, Nankai Univ. (China)
Jianquan Yao, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 9676:
AOPC 2015: Optical Design and Manufacturing Technologies
Lin Li; Kevin P. Thompson; Ligong Zheng, Editor(s)

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