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  1. dunkelheit_phoenix_2008

    Does the original source of the laser matters?

    Hey guys, I have two questions related to optical power. 1- If you have an optical output of 5W from a laser diode, 5W from a CO2 laser, and 5W from a fiber laser, is the output power the same? Do the origin nature of the laser beam (semiconductor, gas, etc) has an effect in the final beam...
  2. dunkelheit_phoenix_2008

    NUBM44-V2 FOR CNC MACHINE

    Hey there!, I already implemented a NUBM44-V2 for my CNC machine, based on CNC firmwares with some code modifications, the results for an 7W laser are really impressive (leather can be cut!), the control and power circuit were on THT, I used a block case for the diode and FAN to regulate the...
  3. dunkelheit_phoenix_2008

    Step down circuit for laser control, help me to improve it.

    Hello there, I would really appreciate any advice, constructive idea or anything that could be improve on this circuit, it's design for a 4.5A laser diode. Thanks for your help.
  4. dunkelheit_phoenix_2008

    How can I identify this laser diode?

    How can I know about the laser power input and output, impedance, model, etc about this diode; I don't have a start point, books, articules, any information is useful. Thanks.
  5. dunkelheit_phoenix_2008

    Nichia NUBM44-V2 laser diode datasheet, where I can find it?

    Hello there, where I can find the Nichia NUBM44-V2 datasheet? I need especific values of the curves, ESR and all the things related to this element, I was able to find some information on Project 450, but it wasn't enough, can someone provide me the datasheet or any information related to this...
  6. dunkelheit_phoenix_2008

    How can I clean laser glasses?

    Hey guys, I already use general lens cleaner for G2, G7, and G8 laser glasses, but I'm not sure if this is the best option to take care this componentes. I would really appreciate your help with specific products for laser lens maintenance. Have a nice day.
  7. dunkelheit_phoenix_2008

    dtr-lpf, is this the Jodarn's ebay account?

    Hey guys, do you know if this seller is the DTR's laser shop owner, I really appreciate your help I want to make a duo laser diode module, but I need another NUBM44; the description says "7W NUBM44-V2 450nm Laser Diode In Copper Module W/Leads & DTR-G-2 Glass Lens".
  8. dunkelheit_phoenix_2008

    DC-DC Buck Converter Design for 5V 5A laser control.

    This is a DC-DC stepdown circuit for laser control (better option than a LM311), at engineering level, it's based on texas instrument documentation, for testing proves I used three 9W 1Ohm resistors in parallel, the elementrical characteristics prove to work well with the laser load. There you...




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