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I need to learn more optics theory for calculations other than what I already did but I get the point :) His eye protection is sick. He looks like a character from post apocalyptic world in his welders helmet :D

Thank you. This was helpful I will get a focusable one and googles. FPV is nice, but googles will be easier to use. I will do some more research this weekend. I was also wondering If I decided to pull off the fiber cable, will I break the laser? I don't want to hurt it and never tried. And...

If you were me, which colimator would you get? The link you provided has couple of them and I am not sure which one is the best. Thank you

After opening this thread many people cautioned me that my IR flashligth project could become environmental hazard to myself and others if I were not careful. This got me thinking and I did some calculations. Let's compare my flashlight project to 5mw laser pointer (cat toy). If 5mw laser laser...

Thank you for taking time and responding. Your advice and links provided were helpful!

No worries. I don't easily get offended. And you guys are right. It is dangerous and there are not many good uses for that thing as a flashlight. I don't know how I stumbled over the Styropyros video, but when I saw it I was fascinated. I was like if he can do it can I do it too... Now I am...

This is the exact model that I have "COHERENT FAP 800 FAP800-L-16W-800-830nm +/-.1 1.1mw FIBER COUPLED DIODE LASER (as on the picture in my first post) " The beam out of the fiber cable is collimated to burn things at about 6-7 inches. Then the beam diameter gets too large. I tried cheap...

Dude, I am no DR. Evil and I don't have phallic shaped rocket like Jeff Bezos does :D Also my laser is not fully invisible. It is 800nm so, it is still dimly visible with a naked eye.

I totally share your sentiment and I am thankful that you guys care enough to warn the newbie. I understand how dangerous collimated IR lasers can be but I am being very careful. I power the laser in my basement, and use camera to look through my FPV googles. So there is no risk to anyone.

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I am new to this hobby and pretty much know nothing compared to some of the more experienced users on this forum. So any feedback will be greatly appreciated. I want to replicate Styropyro’s project that he showcased in his video “100% Invisible IR death ray laser!”. I already purchased 16W...