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Thread: Fiber laser focus optics for marking and engraving?

  1. #1
    Join Date
    Dec 2007
    Location
    Stockholm, Sweden
    Posts
    519

    Default Fiber laser focus optics for marking and engraving?

    Hi,

    I'm thinking of experimenting a bit with a fiber laser for my CNC-machine, it would be nice to have a laser that I could temporarily clamp on to my bigger CNC-machine that doesn't require a dust free environment like the CO2's I have and takes less place.
    I would like to try a near IR like 804/808nm or 980nm but the problem is often that they come with just a fiber connector and fiber and no optics.

    For example for these diodes:
    3W 980
    https://www.ebay.com/itm/980nm-3W-Fi...e/141941662504

    15W 803-813
    https://www.ebay.com/itm/Coherent-fi...m/123412931164

    Are there any good sources for lenses that you know of? Or is it not worth the effort trying to do this on a budget?

    If anyone have a 3-15W fiber diode laser including fiber and lens for sale at a reasonable price feel free to PM me!

    /Daniel

  2. #2
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    915

    Default

    Hi Daniel,

    look here, at the images where I've cleaved and glued the fiber-ends into PEEK capilaries and then into threaded brass tubes for the focus heads:

    https://reprap.org/forum/read.php?133,235148,page=5

    Viktor
    Aufruf zum Projekt "Müll-freie Meere" - https://reprap.org/forum/list.php?426
    Call for the project "garbage-free seas" - https://reprap.org/forum/list.php?425

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