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Thread: Octo red LOC

  1. #1
    Join Date
    Jul 2005
    Location
    Flying over a town near you
    Posts
    1,404

    Default Octo red LOC

    This is a LOC red project for a customer comprised of 8 LOC diodes. The collimators are the Aixiz glass 3 element units. The reverse Keplerian telescope crushes down the 4 beams into a very compact group. The spot at a distance was a bit hazed around the edge and not very well defined as a DPSS spot, but very good considering the power vs. losses and overall cost. It is TEC cooled and will have the cover secured before shipment. Final tests are complete. The beam sizes are .13" at apeture, and 1.35" at a distance of 60'. Thus 2 arc tan {D1 -D2}/2length of measure yields 1.79 mrads. Not to bad for home brew lasering. Considering parts around $170 for 1.5 watts of 660nm, not counting my time, is a good deal for homemade. Will help to make some really nice beamshows I would think. Couple of pix before it goes...last pic really does not convey the spot well at all.....CCD overload.
    Attached Thumbnails Attached Thumbnails PANA0081.JPG  

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    You are the only one that can make your dreams come true....and the only one that can stop them...A.M. Dietrich

  2. #2
    Join Date
    Apr 2006
    Location
    Miami, FL
    Posts
    3,586

    Default

    nice work... how much would something like that cost? obviously hardware and your time are more than $170

  3. #3
    Join Date
    Apr 2010
    Location
    Grand Rapids, Mi
    Posts
    2,465

    Default

    Very nice,

    Are the mounts for the diodes available for sale anywhere?
    I take it it is an over under type thing making a square of the 4 beams prior to pbs and not a row?

    Thanks

    John
    leading in trailing technology

  4. #4
    Join Date
    Feb 2008
    Location
    Northern Indiana
    Posts
    915

    Default

    it's hard to tell from the picture, did you use a micropositioner to set the mirrors?

  5. #5
    Join Date
    Jun 2007
    Location
    Lake Geneva, WI.
    Posts
    2,704

    Default

    kick ass job Mike! Looks tight.

  6. #6
    Join Date
    Feb 2007
    Location
    Herts, UK
    Posts
    1,254

    Default

    Reds are now the most wanted of them all!

    Good work Mike

  7. #7
    Join Date
    Jun 2010
    Location
    Washington.
    Posts
    139

    Default

    looks great! the beam shows teh size much better than the spot, and it looks great!~

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