LarryDFW
0
- Joined
- Dec 6, 2008
- Messages
- 1,581
- Points
- 63
I just finished final testing on a new light that combines 3 PHR diodes.
The light was designed for 405nm UV inspection duties,
with fairly long duty cycles (~15 min.).
I used a triple reflector to concentrate the light in a narrow beam.
It does not utilize aspheric lenses on the PHR's.
The difficult design parameters were driver design and adequate heatsinking ability.
It is mounted in a finned, black anodized host ~2" in diameter and weights 13 oz.
I built and tested 3 different electronic drivers, before finding one I felt was reliable AND protected against static discharge.
It is delivering slightly over 300mw of 405nm.
It is powered by two Panasonic #18650 lithium-ion batteries (2600mah).
Here is a photo of the "business end" of the light:
Now, I should have some time to get back to my Hi-Power Red diode testing.
LarryDFW
The light was designed for 405nm UV inspection duties,
with fairly long duty cycles (~15 min.).
I used a triple reflector to concentrate the light in a narrow beam.
It does not utilize aspheric lenses on the PHR's.
The difficult design parameters were driver design and adequate heatsinking ability.
It is mounted in a finned, black anodized host ~2" in diameter and weights 13 oz.
I built and tested 3 different electronic drivers, before finding one I felt was reliable AND protected against static discharge.
It is delivering slightly over 300mw of 405nm.
It is powered by two Panasonic #18650 lithium-ion batteries (2600mah).
Here is a photo of the "business end" of the light:
Now, I should have some time to get back to my Hi-Power Red diode testing.
LarryDFW
Last edited:
