A simple monitoring system for single subpicosecond laser pulses using an SH spatial autocorrelation method and a CCD image sensor |
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| Authors: | Yuzo Ishida Tatsuo Yajima Akira Watanabe |
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| Institution: | Institute for Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106, Japan;Department of Electronics, Faculty of Engineering, Tottori University, Koyama-cho, Tottori 680, Japan |
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| Abstract: | A simple noncollinear SHG autocorrelator for monitoring the time behavior of single subpicosecond laser pulses is described. A new CCD image-line sensor with high sensitivity in the UV range is used to measure the second-harmonic (SH) spatial distribution which gives information on the duration of the fundamental light pulses. An input energy of only 10 μJ is enough to obtain the SH spatial beam patterns in this highly sensitive autocorrelation system. |
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