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Thread: Large Diffraction gratings

  1. #1

    Thumbs up Large Diffraction gratings

    Hello,

    I own "ready to use" large sets for reflexion diffraction gratings.
    They are very light & handmade by unit, though large dimensions (150mm x 150mm !): useful when targeting them at 20 or 30 meters !).
    Each set consists in :

    - wood black plate : lay 0
    - mirror (2 or 3mm thick in glass) : lay 1
    - grating (several patterns in polymer) : lay 2
    - protection window (3mm glass) : lay 3
    - special mechanical bonds (to "stick" the 3 optics layers 1 to 3)
    - aluminium arm (U structure with hole for yoke in the center, and screw for adjusting orientation of the set).

    These gratings reflexion sets can be either hang (just need a yoke) or just layed on a high floor, on the ground, on a shielve (thanks to autostanding structure arm)...

    If anyone interested, you can pm me !
    André

  2. #2
    Join Date
    Oct 2006
    Location
    Central Florida
    Posts
    7,067

    Question

    Hey, do you mind tossing some pictures up? Of the gratings and of the effects.
    Love, peace, and grease,

    allthat... aka: aaron@pangolin

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