Old 02-09-2012, 04:18 PM #1
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Default 5mw green laser 532nm

qiute new to laser just bought a green laser from amazon it seem realy dim the only way can get it working is buy warming it up with a hairdryer after tha it works but go really dim after that ive ordered another from diffrnt suplier any 1 know what it could be


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Old 02-09-2012, 04:28 PM #2
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Default Re: 5mw green laser 532nm

Punctuation, grammar and the use of actual words isn't mandatory but they are appreciated.

You ordered a cheap piece of junk.... and got a cheap piece of junk. Apparently twice now.

Next time order from a reputable source.

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Old 02-09-2012, 04:32 PM #3
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Default Re: 5mw green laser 532nm

lol sat in dark cant see me keyboard lol reviews was ok just get 1 from some were else
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Old 02-09-2012, 08:49 PM #4
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Default Re: 5mw green laser 532nm

From what I understand growing a laser diode is a lot like cooking meth. Sometimes you get a nice, perfect crystal.. sometimes you get a flawed one. So they separate out the diodes into good ones that become high power diodes and bad ones that get powered lower.

Now, if I'm right about all that (and someone who knows more about diode manufacturing may have something to say) then your cheep 5mw greenies would be made out of the "bottom of the bin" diodes that could barely even manage to lase at all. So one might work great while another from the same source might peter out after two hours.

If you really want a cheap green diode, I suggest you buy two. That way you have a pretty good chance of one of them working.. and buying an extra probably won't cost as much as shipping, so it's like "buy one get one half off."
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Old 02-09-2012, 08:55 PM #5
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Default Re: 5mw green laser 532nm

Quote:
Originally Posted by Ablaze View Post
From what I understand growing a laser diode is a lot like cooking meth. Sometimes you get a nice, perfect crystal.. sometimes you get a flawed one. So they separate out the diodes into good ones that become high power diodes and bad ones that get powered lower.

Now, if I'm right about all that (and someone who knows more about diode manufacturing may have something to say) then your cheep 5mw greenies would be made out of the "bottom of the bin" diodes that could barely even manage to lase at all. So one might work great while another from the same source might peter out after two hours.

If you really want a cheap green diode, I suggest you buy two. That way you have a pretty good chance of one of them working.. and buying an extra probably won't cost as much as shipping, so it's like "buy one get one half off."
think ill just fork out a bit more cash already ordered another cheap 1 but only 6 pound so not bothered it starts out red 2 then turns green just completely crap lol only works when its warm
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Old 02-09-2012, 09:17 PM #6
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Default Re: 5mw green laser 532nm

Be careful of the red. It is infrared, and very harmful.
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