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Old 08-11-2011, 12:51 AM #1
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Default Does 445nm release harmful IR or UV?

Just concerned about the stuff I can't see - does 445nm release much IR or UV? I've decided to get me a 1 - 1.5 watt watt beam and will be getting safety glasses, but just concerned about any invisible crap that may get through


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Old 08-11-2011, 12:58 AM #2
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Default Re: Does 445nm release harmful IR or UV?

No IR or UV. The 445nm light is dangerous all by itself

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Old 08-11-2011, 01:07 AM #3
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Default Re: Does 445nm release harmful IR or UV?

^^That's what makes it great though. Buy appropriate safety glasses, and you can enjoy the dangers without the negative consequences.
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Old 08-11-2011, 01:29 AM #4
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Default Re: Does 445nm release harmful IR or UV?

so am I right to say only green lasers emit IR? Is it because the green diode is originally an IR diode chirped into green frequency and some IR leaks through? (I read that somewhere but can't remember the details)
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Old 08-11-2011, 01:57 AM #5
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Default Re: Does 445nm release harmful IR or UV?

Quote:
Originally Posted by scientist View Post
so am I right to say only green lasers emit IR? Is it because the green diode is originally an IR diode chirped into green frequency and some IR leaks through? (I read that somewhere but can't remember the details)
Green is not the only DPSS laser to leak IR. There are other lasers that will leak IR without the appropriate filter.

The 445nm you are speaking of is commonly a diode. Diodes do not leak IR because they are not pumped by an IR source.
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Old 02-10-2012, 04:08 PM #6
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Default Re: Does 445nm release harmful IR or UV?

I wonder how these bots decide which thread to spam?
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