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A Q-switched Nd-YAG laser was frequency-doubled to produce 3.5 ns, 532 nm pulses,which were loosely focused by f /30 optics to a diameter 2 w of
20 mm(1/e2ƽ·½ intensity) with a Rayleigh length Z of 600 mm
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semi-white

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Pay first, then get.

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2Â¥2013-05-15 13:39:15
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2Â¥: Originally posted by semi-white at 2013-05-15 13:39:15
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,which were loosely focused by f /30 optics to a diameter 2 w of
20 mm(1/e2ƽ·½ intensity)   ×¨ÒµµÄ²»Ã÷°×
3Â¥2013-05-15 14:30:44
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