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So Argon walks in to a bar and the bartender says get the hell out... Argon doesn't react!

So i got a new 445 diode off of ebay from danglasers. it said it was supposed to be a 1.5W diode. when i got it and installed it in my circuit it was fine it looked great i was pushing about 1W from it so one would think that it would do fine. and its not like I didnt heatsink it either. I...

Check this out. I found it today while fixing a customers audio amp. It's a 0 ohm resistor. How do you have a 0 ohm resistor wouldn't it just be a piece of wire?

Just wondering is $300 a good price for an argon laser?

I just acquired 2 HeNe's one is red the other is a yellowish color. they are only 5mW but still pretty cool here is some Pics of the red one.

So i have a 1W 445nm diode and i'm trying to build a driver to power it. However I've used the post/ tutorial that was put up by ROG8811. I've done the math for his circuit and for me to get 125mA I would need a 10 ohm resistor after the potentiometer. however when i do this i get around 11mV...

Hello, Obviously i'm new here. I've been reading posts on the forum for about a month now trying to get as much information as possible about lasers. I was in the Marine Corps for 5 years as an electronics technician and now I'm working as an A/V systems repair/ installer. I've loved lasers...