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Thread: laser tech question

  1. #1
    Join Date
    Jul 2007
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    west sussex uk
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    Default laser tech question

    hi
    here is my problem if i scan a white circle it always starts off pink
    ,the red laser is a 640nm and i understand that it faster than the green and blue
    and thats proberly the cause but how do i fix the problem ??


    thanks

  2. #2
    Join Date
    Feb 2008
    Location
    East Sussex, England
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    5,205

    Default

    Colour correction board I guess

  3. #3
    Join Date
    Oct 2006
    Location
    Central Florida
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    7,067

    Lightbulb

    This goes back to the jellybeaning Adam was talking about. My Kvant even has it fairly bad after the viasho green was replaced by the Kvant green. Addin a color correction board is about the only way to resolve it.
    Love, peace, and grease,

    allthat... aka: aaron@pangolin

  4. #4
    Join Date
    Jul 2007
    Location
    west sussex uk
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    2,279

    Default laser

    So you still have the problem even with the kvant green?
    I hear color correction boards are hard to set up?
    Who sells them?
    So there's no ther way to slow down just red

    Thanks
    Chris

  5. #5
    Join Date
    Oct 2006
    Location
    Central Florida
    Posts
    7,067

    Lightbulb

    Yea, the Kvant has a ramp up problem; my last green had what looked like several modulation problems. This green looks much better but it seems to have a much bigger problem when a frame starts with green, or yellow, or cyan or white...

    Getting a color correction board is a bit tricky now; they are not made anymore. I need one myself and plan on hounding DZ at SELEM until he throws one together.

  6. #6
    Join Date
    Oct 2009
    Location
    Perth Western Australia
    Posts
    844

    Default Eyemagic IRIS ColorSafe

    Hi guys,

    I bought an Eyemagic IRIS Colorsafe Colour Correction/safety board a few months back.
    http://www.eyemagic.gr/laser-iris-colorsafe.html

    It was 550.
    Depending on which part of the world you are in, contact One Stop Laser Shop or Tom at Eyemagic.

    Im taking my sweet ass time in the planning/saving/learning phase of my projector build so I can't vouch for the setup process but it looks pretty straight forward from the instructions. The board has a row of dip seiches for delaying each colour.

  7. #7
    Join Date
    Nov 2005
    Location
    Melbourne, Australia
    Posts
    3,694

    Default

    When the green is cold its efficiency isn't as good as after you have been scanning for a bit


    What is the green in question?


    Quote Originally Posted by badger1666 View Post
    hi
    here is my problem if i scan a white circle it always starts off pink
    ,the red laser is a 640nm and i understand that it faster than the green and blue
    and thats proberly the cause but how do i fix the problem ??


    thanks
    KVANT Australian projector sales
    https://www.facebook.com/kvantaus/

    Lasershowparts- Laser Parts at great prices
    https://www.facebook.com/lasershowparts/

  8. #8
    Join Date
    Jul 2009
    Location
    San Francisco
    Posts
    75

    Default

    I also have a Kvant that originally had a LaserWave with the same problem you describe having with the green Kvant. I got the green replaced with a Kvant one and now the green comes full instantly but I get some serious blanking tails if I don't dail it down to half which give me a pretty good white.

    Fred.

    Quote Originally Posted by allthatwhichis View Post
    Yea, the Kvant has a ramp up problem; my last green had what looked like several modulation problems. This green looks much better but it seems to have a much bigger problem when a frame starts with green, or yellow, or cyan or white...

    Getting a color correction board is a bit tricky now; they are not made anymore. I need one myself and plan on hounding DZ at SELEM until he throws one together.

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