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WTB: 100mW 532nm Pen

Exerd

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Jan 2, 2010
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Looking for a ~100mW 532nm pen. Possibly a few. Like-new condition please.
 





Joined
Sep 16, 2007
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Looking for a ~100mW 532nm pen. Possibly a few. Like-new condition please.

I've got a >100mW Evolution Pro for sale.
It's pretty much brand new.
The link is in my signature if you are interested.
 

Exerd

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Joined
Jan 2, 2010
Messages
448
Points
28
I've got a >100mW Evolution Pro for sale.
It's pretty much brand new.
The link is in my signature if you are interested.

I know yours cost a lot more new, but I just cannot pay $250 for the same mW I can acquire under $100 merely by going to an AAA generic host. Sorry. :(
 
Joined
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I know yours cost a lot more new, but I just cannot pay $250 for the same mW I can acquire under $100 merely by going to an AAA generic host. Sorry. :(

No problem, it's understandable. The module inside is CNI, though, just so you know. The beam quality is very good... One of the best TEM00 532nm lasers I've ever seen.

If you are not looking for any kind of high quality, I would suggest you look into giving a 5mW pen from DX a "tune-up."
I have had good results modifying these.
With a crystal re-alignment and a current adjustment (the pump is capable of at least 350mW) I have gotten ~50mW of green from the "bad" ones and ~95mW of green from the "good" ones.

My best DX 5mW pen outputs 102mW peak (unfiltered) and ~95mW pure green on a fresh set of batteries, and averages 80mW as the temperature stabilizes. When I bought the laser it was mode-hopping, output less than 5mW at start-up, and sagged to no green output as the module rose above room temperature. Now it runs in a clean TEM00 and divergence is 0.9mRad.

It's worth a try if you think it is ok for your needs.
 
Joined
May 31, 2009
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ohh right... my bad, misread OP. Makes sense now. But for a similar price 200mw is better than 100mw, is it not? :D
 

Mik

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Apr 9, 2010
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I have an 83mW Newwish looking pen. $50 shipped?
 




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