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  1. M

    Can you find out the polarity of a diode without datasheet?

    well thanks thats good to know...seems ive been lucky this time, i just hooked it up and it works, man thats a wonderful diode..i set the driver to only about 600mA because i havent finished the modul yet and already its very bright
  2. M

    Can you find out the polarity of a diode without datasheet?

    ok thank you...that was my first impression, right pin is neg. If you have the pins on the lower side. But the rest of datasheet confused me. Also i associated the longer line with cathode and shorter with anode...i thought that might be the meaning. Unfort., i still havent found the datasheet...
  3. M

    Can you find out the polarity of a diode without datasheet?

    Hello men, i just "found" these markings on my new Nichia NUBMOE 5,5w Laser diode..i never realized they were there until now. Do this lines, maybe, give information whats the anode and what is Cathode? I must say i still have troubles getting sure what the polarity is. The usual datasheets...
  4. M

    Focussing Nichia diodes with ball-lens?

    so today finally my recapped 5,5W Nichia arrived..along with an 500mw IR. Im about to build some extra heat-transport ways for the diode. yeah i know there are better casings than mine, specialized for higher powered Diodes. I did, however, already order all that crap and now its here and im...
  5. M

    Focussing Nichia diodes with ball-lens?

    well good for me, i didnt really know what i was doing when ordering that diode XD..i just assumed that 455nm looks nicer than 440nm from the Sharp diode. That was the only reason i chose this one. 480ish 5w would be perfect though.
  6. M

    Focussing Nichia diodes with ball-lens?

    maybe should have recorded thatmon video...my supplier in china didnt even send the package yet. I hope he didnt go bankrupt XD I also found some material for my laserpointer host, it might even be the same one some Chinese use for their all-in-one-lasers, at least it looks very similar...
  7. M

    why are there no strong 532nm diodes?

    oh thx for that kind words. Maybe you could extend that kindness and underline the aggressive comments that i have commited. It might help me with my self-reflection and recovery. Thank you.
  8. M

    why are there no strong 532nm diodes?

    Cowboy i didnt say i love chinesium, You said, that a FAC and a G8 lens is for close up work only and you will need a bigger lens for across the room. And i said, that would be kind of disappointing because already my chinesium does good on close up work. I would expect at least 5-6m from a FAC...
  9. M

    why are there no strong 532nm diodes?

    Cowboy, can you tell me something about additional cooling for strong diodes? Dont want to open another threat already..i realized, even when the diode is in a copper casing with an outside heatsink, theres still a lot of free surface area an the back of the diodes, where the pins come out. I...
  10. M

    why are there no strong 532nm diodes?

    well you say only across the room work, honestly ive been able to ignite things with a small spot over the room with a 1,6w 40eu laser from China that comes with a 70 cent plastic lense. Now my room isnt huge, were talking 3m to 3,5m distance maybe. Spot is still small enough to make my wooden...
  11. M

    Focussing Nichia diodes with ball-lens?

    yes, i purchased a recanned 5,5w yesterday. My first really strong diode...hope i wont trash it.
  12. M

    a try to repair a driver.

    i havent even heard the word resoldering flux so far. So whats the best way to heat it up, from the backside? Cause this stuff is way to tiny to fummel around with my iron in. I feel i need more than a 30w iron then. How would you proceed in that case?
  13. M

    why are there no strong 532nm diodes?

    well whatever lens you use, a g8 or a larger lens, does a FAC diode now actually help to get more burning distance? A real difference you can see, not just on paper? Theyre not cheap-
  14. M

    why are there no strong 532nm diodes?

    im interested in bringing it in a small form-factor Casing with 2x16340. Im not sure what youre reffering to, when you say "but you can use a wider longer FL" but i feel like its not compatible with my idea of my casing XD. So if you want to achieve a burning point on long distance, all in a...
  15. M

    why are there no strong 532nm diodes?

    i see. So that 135mw singlemode diode you listed can not be "overdriven"? What will happen if you put 20 or 30% extra current through it? So do this FAC diodes also help you, when you want to max out the distance while still maintaining a small spot? Would you be able to ignite things on a...
  16. M

    why are there no strong 532nm diodes?

    https://de.aliexpress.com/item/1005002360118181.html?spm=a2g0o.productlist.0.0.50741523DyF19Q&algo_pvid=ff215e7a-cf70-4ebf-953c-973fa6eac5b8&algo_exp_id=ff215e7a-cf70-4ebf-953c-973fa6eac5b8-6&pdp_ext_f=%7B%22sku_id%22%3A%2212000020304813358%22%7D&pdp_pi=-1%3B83.57%3B-1%3BEUR+1.54%40salePrice%3BEU...
  17. M

    a try to repair a driver.

    Hello folks. I accidently damaged a nice laser driver. Instead of a diode i hooked a small 5V electromotor on it, i wanted to see if it makes a good testload. View seconds later theres was a little smoke and the black part with the 8 pins came off, obviously its soldering points got too hot and...
  18. M

    why are there no strong 532nm diodes?

    i bought a 100mw green laser in the "gatlinggun" host from China für 19eu Once. Looks like 100-200mw is the limit on what you can get them. I guess taking one apart and changing only the IR diode for a stronger one also isnt an option? I guess that crystal would break down with the higher input...
  19. M

    why are there no strong 532nm diodes?

    @Sowee7: if you think this is a troll you really got issues man. Is that your philosophy, anybody asking a question you already know the answer for is a troll? Because everything you know is essential and people must know and everything YOU dont know isnt important, right? Maybe in your world...
  20. M

    Looking for a certain laser host i saw on Ali.

    hello people, i found a pretty nice host on Ali Express..now i know they are never great quality, but they dont have to be, im just looking for a few nice hosts to put different diodes in. That copper host, ive only seen being sold as a complete Laser, never the Host alone. Ive also wrote to 3...


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