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Hello. I purchased a NURM31 a year ago for $800, it was turned on twice during this time. It has a good beam profile, all series strings are working. Before I bought the array it was new, and has a scratched off serial number. Asking for $600 or best offer. search for "NURM31 - 639nm&643nm 43W"...

Hello, I am very new to the hobby of assembling lasers but I do have experience with high power laser beams. I have been looking on eBay and on some laser forums for some time now and I'm still not exactly sure how to power my diode. I bought a 5.5W 3A nichia 450nm blue laser diode and a good...