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Thread: dt40 mirror power rating

  1. #1
    Join Date
    Jul 2007
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    Default dt40 mirror power rating

    does anyone know what power dt40 mirrors are rated at ?

    thanks
    When God said “Let there be light” he surely must have meant perfectly coherent light.

  2. #2
    Join Date
    Jul 2006
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    Connecticut, USA
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    Default

    DO NOT listen to their website or spec sheets.

    5+ Watts of 445 will melt the coatings off of the mirrors. Seen it in person 3 times already. Unless they changed the mirror coating in this past year (which i HIGHLY doubt). I would say 10 watts at an absolute maximum and thats with <5W of 445. But i really dont think they will handle 10W.
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  3. #3
    Join Date
    Jul 2007
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    Default

    gutted now this means i will have to get mirrors from osls, for my 10w rgb build
    suppose i could just try it first and see what happens , got a feeling the 4w blue will proberly
    kill them on its own, would a light fan breeze over them help cool them ??


    Quote Originally Posted by gottaluvlasers View Post
    DO NOT listen to their website or spec sheets.

    5+ Watts of 445 will melt the coatings off of the mirrors. Seen it in person 3 times already. Unless they changed the mirror coating in this past year (which i HIGHLY doubt). I would say 10 watts at an absolute maximum and thats with <5W of 445. But i really dont think they will handle 10W.
    When God said “Let there be light” he surely must have meant perfectly coherent light.

  4. #4
    Join Date
    Feb 2005
    Location
    Switzerland
    Posts
    1,411

    Default

    Quote Originally Posted by gottaluvlasers View Post
    DO NOT listen to their website or spec sheets.

    5+ Watts of 445 will melt the coatings off of the mirrors. Seen it in person 3 times already. Unless they changed the mirror coating in this past year (which i HIGHLY doubt). I would say 10 watts at an absolute maximum and thats with <5W of 445. But i really dont think they will handle 10W.
    Great to know, as I was planning to shine a 8W opsl toward them... The melted one, was it the 5mm one or the 7mm? As power density is a thing to consider too.


    And about these OSLS mirrors, are they plug and play, did someone already installed them?

  5. #5
    Join Date
    Dec 2007
    Location
    Nottingham, UK
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    Default

    20W of RGB works fine...
    - There is no such word as "can't" -
    - 60% of the time it works every time -

  6. #6
    Join Date
    Nov 2009
    Location
    Maryville TN
    Posts
    296

    Default

    i run 5.2 watt on mine all ok (rgb not just 445)

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