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Thread: what is good glass to use for projector's aperture window?

  1. #1
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    Default what is good glass to use for projector's aperture window?

    EDIT: The way some of the members here have desperately tried to identify my location and nationality for whatever reason they believed was needed for by asking an admin to check my profile logs and researching me by the content of my posts has been very creepy and unnecessary. So bye.
    Last edited by dream; 04-28-2016 at 16:26.

  2. #2
    Bradfo69's Avatar
    Bradfo69 is offline Pending BST Forum Purchases: $47,127,283.53
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  3. #3
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    A quick and easy way to find it local is Museum Glass from the Picture Frame Shop. They can usually cut it for you as well.

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    http://www.tru-vue.com/products/muse...ti-reflective/
    Quote Originally Posted by slicklasers View Post
    A quick and easy way to find it local is Museum Glass from the Picture Frame Shop. They can usually cut it for you as well.

  5. #5
    mixedgas's Avatar
    mixedgas is offline Creaky Old Award Winning Bastard Technologist
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    You won't need low iron. Nobody will AR coat visibly greenish glass which has iron in it.

    The best AR coats are multilayer AR coats. You do want that instead of a 1/4th wavelength "V" coat if you can get it.

    0.5% is typical for a low cost coating these days.

    Steve
    Qui habet Christos, habet Vitam!
    I should have rented the space under my name for advertising.
    When I still could have...

  6. #6
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    Lightbulb 3 cheers for 'CDAR'..

    Gotta jet, but quick Info-post / curves / real-world suggestion for how / why to 'rake' / eliminate 'scan-mirror ghosting', etc, etc.. http://www.photonlexicon.com/forums/...757#post220757

    ..Also, Edmunds "VIS-0" is the best for 400-700, at 0˚ 'AOI', even better than the 'CDAR', but also more $$, and avail. in less-sizes (as 'stock items'..) than the CDAR..

    ..Large-aperture example-pic (w/ 'rake'), here: http://www.photonlexicon.com/forums/...8&d=1275003026

    fwiw..
    j
    ....and armed only with his trusty 21 Zorgawatt KTiOPO4...

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