![File:Lasers.jpeg](http://up.wiki.x.io/wikipedia/commons/thumb/4/45/Lasers.jpeg/800px-Lasers.jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 12:00, 15 March 2014 | ![]() | 3,264 × 2,448 (3.24 MB) | 彭家杰 | * Green Laser: wavelength 520nm * Blue Laser: wavelength 445nm * Red Laser: wavelength 635nm Category:Lasers Category:Laser pointers Category:Laser beams Category:Diode lasers Category:Q-line laser |
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