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Coma-compensation telescope

  • US 4,624,538 A
  • Filed: 05/28/1985
  • Issued: 11/25/1986
  • Est. Priority Date: 05/28/1985
  • Status: Expired due to Term
First Claim
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1. In a two mirror telescope for use in infrared astronomy;

  • a primary mirror;

    a secondary mirror disposed relative to said primary mirror to form a telescope;

    means for tilting one of said mirrors continuously back and forth relative to the mechanical axis of the telescope;

    said one of said mirrors being so constructed and arranged to have an intrinsic field coma on axis equal and opposite to tilt coma on axis at any tilt angle of said one mirror relative to said other mirror;

    an infrared detector disposed on the mechanical axis at the back focus point of the telescope.

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