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Registered Member #1321
Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
My first choice would be 670 nm or 680 nm, but I can't find much of anything at these wavelengths either. And the few that I've found seem to be very low power.
I want to make an LED array radiating at one of the wavelengths that seem to be effective for photobiostimulation effects, e.g.,
Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
We had this discussion on #hvcomm a while back, the upshot is that 400nm light is bioeffective but 445 is not. There is a second band at around 780nm which seems to accelerate healing but this is far infrared. It also seems to treat retinal damage according to a DARPA paper.
NASA have done a lot of work with using LED (not laser) sources as a way to treat injuries in microgravity where healing is substantially slowed, and some papers published.
Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
Also, to maximise efficiency the array NEEDS to be temperature regulated. Old laptops are an excellent source of passive heat pumps, just remove the HSF assembly, clean up and attach LED array with self adhesive thermal pad.
i found a source over here, Arcadia has it in stock and for only £5 there is enough material for several arrays.
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Where can I buy some 735 nm LEDs?
