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Hi all, So I've been selling the diodes in the m140 (company who shall not be named) projector, as M140s, as would seem obvious. When I sold the sixth from last one the other day and the buyer recieved it, he claimed that the diode was in fact A140, and that there were 5 such diodes in every...

Selling m-140 diodes on eBay. Look for stewartrn00 and it should pop up.

Anyone here ever build one of these? I saw some stuff on google, figured I'd see if anyone built one of these here and how it worked out for them.

Hello everyone! So I am in high school as you probably could see from profile etc and have been working on building diode lasers and bringing them in to show my AP chem teacher+class and my teacher insists upon me doing some sort of science fair project utilizing laser construction/engineering...

Hello everybody, I've been hearing a lot about some new crystals with higher efficiencies than a standard yag, so who knows what the MOST efficient lasing medium is, it's pump wavelength and output wavelength etc. preferably ones that you have used or seen.

Hello to all, I have been posting in the 445 section for some days now and finally am posting in here. My name is Collin and I'm from Pennsylvania.

Hello, this is a problem with a build I recently finished. It's an m140 diode and a 1.8amp driver I got from dtr store, it's inside a copper pipe and I used a switch from a cheap led flashlight. The problem is that when I turn it on, at first it's solid blue output, but after a matter of seconds...

Hi, This is my first post here, and although I only joined today I've been reading/utilizing information throughout the threads here, and I wanted to say that it has helped me greatly in conceptualizing/designing/constructing previous lasers. I have recently gotten a m140 projector and have...