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Proceedings Paper

An extremely fast and high-power laser diode driver module
Author(s): Chunsheng Hu; Shiqiao Qin; Xingshu Wang
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Paper Abstract

A new extremely fast and high-power laser diode driver module is introduced, which is made of a fast high-power MOSFET and based on discharging capacitor. The main factors are analysed in theory, which determine the main performance of this kind of laser diode driver module. The whole performance of the laser diode driver module is simulated with SPICE module in detail, and the testing results of the produced laser diode driver module are described. The main methods to change the output peak power and current pulse width of the laser diode driver module are presented. The output peak power of the laser diode driver module is very high, which can reach 50 W. The output current pulse width of the laser diode driver module is very short, which is less than 8 ns. The laser diode driver module can directly drive many kinds of pulse laser diode in the market, and be used as the high performance transmitter driver module of time-of-flight ladar and laser range finder.

Paper Details

Date Published: 20 January 2005
PDF: 6 pages
Proc. SPIE 5628, Semiconductor Lasers and Applications II, (20 January 2005); doi: 10.1117/12.572973
Show Author Affiliations
Chunsheng Hu, National Univ. of Defense Technology (China)
Shiqiao Qin, National Univ. of Defense Technology (China)
Xingshu Wang, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 5628:
Semiconductor Lasers and Applications II
Jian-quan Yao; Yung Jui Chen; Seok Lee, Editor(s)

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