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Thread: 3W RGB

  1. #1
    Join Date
    Dec 2008
    Posts
    35

    Default 3W RGB

    Hello !

    I plan to build a full diode RGB, about 3W :

    1 NDG 700 : 700mW 520nm
    1 ML501P73 : 800mW 638nm
    1 M462 : 462nm
    OR
    1 NDB7875 : 445nm

    Which blue is the best with 520nm ? It will be mainly for beam show, rarely graphic.
    What do you think of the color balance ?

    I already have a laser box with a lot of space, so I would prefer to do independent modules for each colors in order to have more flexibility. Or maybe combine blue and green together before correction, to use only one pair of prism/cylinder.

    Which correction to use for the red to have the same divergence as blue and green ?
    Dave's F2 & Dave's cyls 4x
    OR
    4mm FL + 6x cylinder ?

    Thank you !
    Last edited by nain-nain; 08-09-2015 at 09:32.

  2. #2
    Join Date
    Dec 2008
    Posts
    35

    Default

    I'll go for M462, combined with NDG 700 and then 1 prism pair.

    All diodes will be with TEC in order to increase a little bit the power (maybe 1W of red ?).
    Maybe spatial filter for the red.

  3. #3
    Join Date
    Nov 2008
    Location
    Cleveland Ohio
    Posts
    2,423

    Default

    I like the 462nm diodes mixed with 532nm but if you want diode try to find s green diode running long around 525nm. If not your yellow will be so so. You can use 445nm to make it a little nicer at the lose of the nice blue.

  4. #4
    Join Date
    Dec 2008
    Posts
    35

    Default

    How do you find green diode at 525nm ? You buy 20 diodes and you select one ?

  5. #5
    Join Date
    Nov 2008
    Location
    Cleveland Ohio
    Posts
    2,423

    Default

    pretty much yea

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