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ZHANG Shou-qi, LOU Qi-hong, ZHOU Jun, DONG Jing-xing. Design of drive circuit for continuously adjustable ns pulse LD[J]. LASER TECHNOLOGY, 2008, 32(4): 396-398.
Citation: ZHANG Shou-qi, LOU Qi-hong, ZHOU Jun, DONG Jing-xing. Design of drive circuit for continuously adjustable ns pulse LD[J]. LASER TECHNOLOGY, 2008, 32(4): 396-398.
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Design of drive circuit for continuously adjustable ns pulse LD

  • Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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  • Received Date: May 22, 2007
  • Revised Date: September 09, 2007
  • Published Date: August 24, 2008
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    • Abstract
  • In order to meet the need of single-mode pigtailed pulse LD and its later optical amplification,a ns pulse LD drive circuit with variable pulse,frequency and power was designed by using metal oxide semiconductor field effect transistor(MOSFET) as switch.By analyzing the drive characteristic of MOSFET,a suitable grid drive circuit was used,so the pulse width and the ability to bring loads were improved.A protect circuit was designed to protect the expensive LD from over shot,sharps,arcs etc.It is concluded that the drive circuit works stably and is suitable for driving the LD.
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    • References (8)
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