Generation of 1.5-12 ns width-tunable 532 nm pulses by adopting laser-induced plasma shutter technique |
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Authors: | Fangpei Zhang Qihong Lou Wenjie Han Wenping Zhang Yongzhao Hu |
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Institution: | a No.27 Institute of China Electronics Technology Group Corporation, Zhengzhou 450015, PR China b Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O. Box 800-211, Shanghai 201800, PR China |
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Abstract: | The pulse-shaping technique has found widespread applications in nonlinear optics and material processing. Experimental research on laser-induced plasma shutter to control the 532 nm pulse width is conducted. The impacts of the total pulse output energy on pulse compression are investigated, and a useful conclusion can be drawn that there exists an optimal value of pulse energy at which the shortest output pulse of 3.23 ns can be obtained without a device for delay-time. Once the device for delay-time is employed to change the optical differences between two laser paths, the pulse width can be further shortened to 1.51 ns. In short, the 1.5-12 ns width-tunable 532 nm laser pulses have been obtained by adopting the laser-induced plasma shutter technique. |
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Keywords: | Wave clipping Laser-induced plasma shutter technique Width-tunable pulse |
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