Patent Number: 6,332,687

Title: Plunger controlled, near-parabolic optical membrane mirror

Abstract: A membrane mirror having an optical quality spherical shape maintained by differential pressure takes a near parabolic shape when a plunger-induced displacement of the central area of the mirror is introduced. The focal length can be adjusted by varying the differential pressure.

Inventors: Carreras; Richard A. (Albuquerque, NM), Marker; Dan K. (Albuquerque, NM), Wilkes; James M. (Sandia Park, NM), Duneman; Dennis (Albuquerque, NM), Rotge; James R. (Albuquerque, NM)

Assignee: The United States of America as represented by the Secretary of the Air Force

International Classification: G02B 26/08 (20060101); G02B 005/08 (); G02B 007/182 ()

Expiration Date: 12/25/2018