Old techniques refined and combined to make new polarizers. Equipment and procedures developed for fabrication and inspection of large, precisely-spaced, flat grids of wire. Technology includes refinements and combinations of established techniques for winding grids of electron tubes and ruling optical gratings and incorporates recent developments in electronic control and laser/electronic-based metrology. Wire wrapped on frame half translated under automatic control to achieve desired space between turns. Frame halves put together, and excess wire cut away, leaving finished grid mounted in frame. Useful as polarizers and beam splitters for electromagnetic radiation in overlapping ranges of long infrared and microwaves.


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    Title :

    Making and Inspecting Large Wire Grids



    Published in:

    Publication date :

    1989-02-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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