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    Problems driving new diodes - low glow only

    I purchased a dozen blue TO-18 laser diodes: 1pc 405nm 5.6mm 5mw-20mw Violet/Blue Laser Diode TO-18 | eBay I wired one up directly to a 18460 Lithium battery just for fun when I got it and things worked fine, but I wanted to adjust the output power so I bought a bunch of these drivers...
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    Heat control of diode vs driver?

    I am building a laser maze and have ordered a variety of lasers from 5mW to 20mW on ebay. I want to standardize them but am trying to find the most economical one that keeps a good quality beam after a few mirror bounces. I have ordered a few where the driver is a circuit that hangs out the...


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