Old 11-21-2011, 09:17 PM #1
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Default Will this laser burn

SORRY FOR THE NOOB QEUSTION JUST WANTED TO KNOW YOUR THOUGHTS
AND IF THIS LASER CAN BURN

Wholesale 200mW 405nm Blue Laser Pointer with CR123A Battery 1000M Distance (Black)


200mW 405nm Blue Laser Pointer with CR123A Battery 1000M Distance (Black) - US$36.54 : china-drop-shipping.com


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Old 11-21-2011, 09:25 PM #2
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Default Re: Will this laser burn

Those lasers will probably be horribly underspec since they are from a Chinese drop shipper. You might get a laser that might pop a balloon but i doubt it will even be able to light a match.

Anything 100mw and over will burn on both of these sites, and they have good reputation.

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Laser glasses will also be required to save your eyesight, so you don't go permanently blind.
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Old 11-21-2011, 09:26 PM #3
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Default Re: Will this laser burn

Yes. Pretty well actually. It won't be much bright, as 405nm is not much visible.
But it will pop balloons, burn through CD case in about 10 seconds, light a match, burn wood and possible even white paper.
It won't set things aflame (except extremely flammable ones).
Also for burning you should get some safety glasses, especially because 405nm is deceivingly not bright.

PS. Of course only in case it's up to specs. Direct diode lasers are usually up to specs though. It's simply not easy to make them under specs, as it is with green DPSS lasers.
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Old 11-21-2011, 09:33 PM #4
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Default Re: Will this laser burn

Quote:
Originally Posted by DrSid View Post
PS. Of course only in case it's up to specs. Direct diode lasers are usually up to specs though. It's simply not easy to make them under specs, as it is with green DPSS lasers.
You would think that to be the case... and yet most of the diode lasers sold by drop shippers are still underspec.

No one that got the DD waterproof 445nm got anywhere near 1W for example.

Trusting a dropshipper on power claims is like playing the lottery, but with slightly better odds IMO.
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Old 11-21-2011, 09:51 PM #5
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Default Re: Will this laser burn

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Originally Posted by InfinitusEquitas View Post
You would think that to be the case... and yet most of the diode lasers sold by drop shippers are still underspec.

No one that got the DD waterproof 445nm got anywhere near 1W for example.

Trusting a dropshipper on power claims is like playing the lottery, but with slightly better odds IMO.

This reminds me when I first started using lasers, I would believe sites like this and all the other Chinese drop shippers beacuse I had never buaght anything from China. I didnt even think of the possibilty that a seller would lie. Untill my 4th shitty laser, then I learned.
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Old 11-22-2011, 01:37 AM #6
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Default Re: Will this laser burn

Quote:
Originally Posted by InfinitusEquitas View Post
You would think that to be the case... and yet most of the diode lasers sold by drop shippers are still underspec.

No one that got the DD waterproof 445nm got anywhere near 1W for example.

Trusting a dropshipper on power claims is like playing the lottery, but with slightly better odds IMO.
Well 1W is surely a problem. You need decent driver, heatsink, and so on. But 200 mW should be fine. Yes, it is a lottery, but the chances are high.

On the other hand, I can only recommend o-like. Sure thing !
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