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Thread: Free Space Adjustable Fibre Optic Coupler

  1. #1
    Join Date
    Dec 2006
    Location
    Essex, UK
    Posts
    8,615

    Default Free Space Adjustable Fibre Optic Coupler

    I couldn't afford the 500-1000 for one from Newport or thorlabs, so I decided to make one.

    FC Fibre connector
    adjustable focusing lens
    left right up down movement by about 4mm
    zyx adjustable, like a mirror mount
    all adjustors are fine thread m3x0.2mm

    cost me about 110 to make and im really pleased with the end result









    Eat Sleep Lase Repeat


    Aluminium Optic Mounts

    http://www.laser-man.co.uk/opticmounts/

  2. #2
    Join Date
    Aug 2013
    Posts
    38

    Default

    That's slick

    Did you constrain the block against rotation around the axis of the beam, or is it just stiff enough with the spring+screw arrangement for what you need?

  3. #3
    Join Date
    Dec 2006
    Location
    Essex, UK
    Posts
    8,615

    Default

    There is no rotation, the springs are strong, I mean really strong.

    I had to use a vice and g clamp to compress the springs to get them together
    Eat Sleep Lase Repeat


    Aluminium Optic Mounts

    http://www.laser-man.co.uk/opticmounts/

  4. #4
    Join Date
    Nov 2008
    Location
    Cleveland Ohio
    Posts
    2,124

    Default

    Rally nice job congratz

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