Old 02-18-2016, 03:28 PM #17
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Default Re: <0.02mw 405nm Violet Laser - Damn you AliExpress!

Quote:
Originally Posted by Ultron View Post
Nope. This is at about 10-15 inches away from the wall. Horrible divergence. Broken diode or meter.

http://i.imgur.com/o1SHJA5.jpg

Or badly adjusted lens? That seems reasonably bright for 405, just the divergence is horrible. You may be able to take the focusing ring off and adjust the lens so that adjusting the focusing ring will actually focus the laser.


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Old 02-18-2016, 11:41 PM #18
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Default Re: <0.02mw 405nm Violet Laser - Damn you AliExpress!

If you are able to do that certainly try it

Then again it could just be a dud - maybe no the sarcasticly lower power level mentioned, but far under spec and perhaps even operating in multimode resulting in terrible divergence regardless of what you do with lenses.
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