Old 08-06-2008, 06:28 AM #17
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Default Re: 409 vs 405

Each diode will vary as well. I have a diode that I run in my lab and we cool it to about 15 degrees C and I can't hardly see the beam at all at 160mW, but sometimes it will be visible in the lit room at 100mW. One of the diodes we tested varied between 407-409nm give or take a few tenths.


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Old 08-07-2008, 11:29 PM #18
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Default Re: 409 vs 405

There's a threefold increase in brightness between 400nm and 410nm, so there's quite a bit of variability in these lasers.
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Old 08-09-2008, 09:28 PM #19
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Default Re: 409 vs 405

Quote:
Originally Posted by drlava
Yes, I have noticed this, too even with PS3 diodes. *The ones that were in the 408/409nm region looked much brighter than the 405/404nm ones. *You know, there must be a trash bin in a quality control department in a laser diode factory somewhere that is throwing out 410nm and above diodes!
The exact same here. I had my PS3 diodes measured by a very good meter, which told me the output + wavelength. They ranged from 404nm to 410nm.
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Old 08-09-2008, 11:23 PM #20
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Default Re: 409 vs 405

Someone test a 4, or 6X BR diode to see what wavelength they are.
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