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  1. #1
    Join Date
    Sep 2006
    Posts
    21

    Laser Diode Questions

    Hi All
    I'm thinking about mounting a laser diode on my cnc router and was hoping someone could answer some basic questions for me.
    What type of performance difference is there between different wave lengths? Does a 808nm cut certain materials better than a 445nm or does it matter? can one focus smaller than another?
    What performance could I expect from a 3 watt diode, How fast and how deep would it cut hardwood?
    What difference would there be between a 3watt and a 5watt, would the 5watt cut faster and or deeper, would the difference be a lot or just minimal?
    Any input would be appreciated.

  2. #2
    Join Date
    Jan 2024
    Posts
    9

    Re: Laser Diode Questions

    Different wavelengths affect performance based on material properties. A 445nm (blue) laser diode generally cuts and engraves wood more efficiently than an 808nm (infrared) diode due to better absorption by organic materials. The 445nm laser also allows for a finer focus, leading to more detailed work.

    A 3-watt diode can cut hardwood, but slowly and shallowly, usually no more than a few millimeters deep. A 5-watt diode would cut faster and deeper, offering improved performance, but the difference may not be drastic.

    For the Algolaser Alpha MK2, ensure proper heat dissipation and focus adjustment to optimize cutting performance.
    Algolaser Alpha MK2: https://algolaser.com/products/algol...laser-engraver

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