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I will be building a 1.2kw capable battery from used 21700 cells.

My 500W raycus laser came, I’m also getting in contact with alibaba spokepeople to build a NV camera so I can project the 976nm and actually see it.

I also found a 400W 1064nm array. I wonder how much green light I can make

I can’t wait for my 500w to arrive, I ordered it 4 weeks ago off Taobao and it just got shipped. I’m designing my own ultra compact >20A buck converter with current regulation. It will be a beast

i just bought one of those high rpm blower fans and made a molicel powered high poewr fan, i finishde my 380w handheld laser too as i broke my 280w pump source. @Borislav@87 i driled too deep and knocked a lens

If you use the 500w pump you must use active cooling through the heatsink mine is rather inneficient as it’s a older 500w model, it heats up extremely quickly and I might switch to water cooling

hi, what drill bit did you use and what rpms because i just acquired another pump source from a used machine and it seems to be 700w or 1kw

i ordered my laser pump source before chinese new year i got inspired by a dude on tiktok

i am safe with nir lasers dont worry, I will dry the other dremel drill bits and if it doesnt work ill have to use chemicals

it says the file too big even tho its just a pic

did your laser diode have ceramic where the hole u drilled was?

How did you drill the hole my dremel is struggling very hard

I might have to remove the lenses to focus the laser into the fiber so I get a collimated output

How do you take the lid off the laser arrays without screws?

Oh wait I didn’t burn it all the way I just burned it into the ferrule, how did you drill a hole without getting dust inside?

i think im either gonna burn the fiber all the way for fun or just cut it off

ok i got the top off

im gonna uncuple the fiber pigtal from the pump

What’s a good voltage and current for it

This is a pic