Old 08-27-2013, 03:25 AM #1
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Question How could be that possible???

Friends:
Perhaps it is a supernewbie question but how could be possible that two green lasers, one reading 151 mW and another 377 mW, both on a LaserBee A 2W, the one with 151mW burnt easily a match and the higher one couldn't do it?
One hint is that the higher one came direct from a Chinese Company and the other one came from one of our members....
What does it make the difference here, in term of parts? the lens? construction? Both?
I have promoted myself here to buy our lasers, but never thought it would be that severe the differences.

Thanks

Miguel


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Old 08-27-2013, 03:47 AM #2
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Default Re: How could be that possible???

It depends on how thick the beam is, if one beam of the same power is thinner than the other, than the thinner beam has a higher intensity in a smaller area,

the more focused into a point the laser is the more intense the power is over a smaller area

There could be other contributing factors as well
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Old 08-27-2013, 03:50 AM #3
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Default Re: How could be that possible???

Compare the dots at a distance using safety glasses and see what they look like. Lower power one may have better divergence and a smaller dot. Stronger one could be diverging more in a TEM mode other than 00 and have its power distributed over a different pastern.

Edit: I recommend you contact a mod to get that duplicate thread removed before you catch Flugzeugabwehrkanone
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Last edited by Speedy78; 08-27-2013 at 03:52 AM.
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