An Electronically Tunable, First-Order Fabry-Perot Infrared Filter.

Abstract

A tunable infrared filter capable of scanning from 8.2 to 12.8 micrometers has been designed, constructed and tested. It is a first order Fabry Perot interferometer with piezoelectrically driven cavity spacing. Multilayer dielectric coatings for the partially transmitting mirrors were designed to minimize the wavelength dependent phase change produced by reflection. The transmission bandwidth ranged from 2.8 to 4.0% across the tuning range. Continuous scanning at 20 Hz rates was demonstrated.

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Document Details

Document Type
Technical Report
Publication Date
Apr 10, 1995
Accession Number
ADA294561

Entities

People

  • D. S. Levy
  • J. T. Knudtson
  • K. C. Herr

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Advanced Electronics
  • Space

DTIC Thesaurus Topics

  • Absorption
  • Air Force
  • Air Force Facilities
  • Bandwidth
  • Climate Change
  • Detectors
  • Fabry Perot Interferometers
  • Films
  • Filters
  • Infrared Filters
  • Interferometers
  • Materials
  • Radiation
  • Scanning
  • Spectra
  • Thin Films
  • Waves

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.

Technology Areas

  • Microelectronics
  • Space
  • Space - Satellites