Re: FS: >90mW Blu-Rays, two models: OPEN
scopeguy20 said:
Pretty cool Igor! But I hope you aren’t burning a hole in the caps! ;D
Hehe.. Well no. You can't really, because they are GITD caps.. With black ones, they would get very hot very fast. But these convert 405nm light into green light, which radiates out, so they don't really get hot.
I left a blu ray on with a black cap, by mistake once.. It was on in my pocket for 20 minutes, and then on a table for another twenty. And it had no heatsink! When i took the cap off, the AixiZ module was VERY hot. But it survived.
Here, the heatsinks keep them nice and cool. The modules came out so great man! The entire laser module is 17mm dia and 26.7mm long. It's shorter than an AixiZ module, but it is pretty much a laser by itself.. It's a bulky aluminum heatsink, containing the diode, driver (size - 13x9mm
) and battery contact PCB. The fat module unscrews at the the top, to reveal the guts. I still can't believe how small i managed to make it all!
This module then has threads, which allow it to screw directly into the host head. The host is just a battery holder.. Everything important is in the tiny but massive 27x17mm aluminum module.
Anyway, i'm so happy, it's all finally done, and that everyone will be able to enjoy their lasers soon! You won't believe, how tiny they actually are.. But they are also quite heavy at the same time, especially with the battery inside. I like the massive feeling they have.
BTW, i had to go through 23 diodes, to find enough of those, that would do >100mW at this current. I am left with five, that are too weak in to use... They could be used as 80mW, but they could also reach 100mW and more, only at a higher current. So i'll use them, to see how far these can be pushed...
P.S. I still can't believe, how visible the beam is at this power level.. It's dark outside, so i picked up a 100mW i still have here, and shone it through the window. It looks amazing.. I think the air moisture is high these days.. Maybe that helps a little, cos i don't remember my 80mW being this visible. Or maybe 20mW more is really that noticable!