Old 02-27-2013, 07:30 AM #1
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Default Which Laser would be BRIGHTER!?!

I was just wondering out of interest which of these lasers would be brighter?

- 1W Blue Laser
or
- 300mW Green Laser

I am assuming the green would be much brighter right? The blue would be more powerful but less bright am I correct?


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Old 02-27-2013, 08:28 AM #2
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Default Re: Which Laser would be BRIGHTER!?!

Yes. You are.
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Old 02-27-2013, 10:24 AM #3
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Default Re: Which Laser would be BRIGHTER!?!

Have a play with this

Beam: (593nm 1mw) vs. (497nm 1mw)
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Old 02-27-2013, 10:42 AM #4
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Default Re: Which Laser would be BRIGHTER!?!

Green is far brighter to the eye, and theoretically "safer" when it comes to eye damage or injuries.
EDIT: for eye injuries, both cause instant eye damage so one isn't really safer than the other.
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Old 02-27-2013, 12:33 PM #5
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Default Re: Which Laser would be BRIGHTER!?!

Please explain why you mean by "theoretically safer". Brightness does not do anything to make a laser "safer".
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Old 02-27-2013, 12:57 PM #6
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Default Re: Which Laser would be BRIGHTER!?!

Quote:
Originally Posted by Zeebit View Post
Please explain why you mean by "theoretically safer". Brightness does not do anything to make a laser "safer".
Getting injured by a 300mW laser is theoretically not as bad as getting burnt by a 1W. I shouldn't have used the term safer, it is rather ambiguous in this case as eye damage would be instant.
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Old 02-27-2013, 01:11 PM #7
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Default Re: Which Laser would be BRIGHTER!?!

I'm guessing you're talking about power alone and not regarding the brightness

For example 1W of IR will only seem as bright as a standard 5mW 650nm but it will do all kinds of bad to you
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Old 02-27-2013, 01:16 PM #8
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Default Re: Which Laser would be BRIGHTER!?!

Quote:
Originally Posted by Lazy Laser View Post
I'm guessing you're talking about power alone and not regarding the brightness

For example 1W of IR will only seem as bright as a standard 5mW 650nm but it will do all kinds of bad to you
I assumed he meant the brightness of certain wavelengths to the eye. I think that's what he's talking about so I think you're right.
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Old 02-27-2013, 07:09 PM #9
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Default Re: Which Laser would be BRIGHTER!?!

Green will have a nicer beam and dot.

But a 1W is around 100$, while a 300mW green is over 180$
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