Accession Number:

AD0766749

Title:

Acousto-Optic Isolator (AOI).

Descriptive Note:

Final rept. 16 Jun-15 Dec 72,

Corporate Author:

MARTIN MARIETTA AEROSPACE ORLANDO FLA

Report Date:

1973-09-01

Pagination or Media Count:

104.0

Abstract:

Coherent CO2 radars having amplification stages following a CO2 master oscillator exhibit spurious feedback which tends to pull the frequency of the signal. The acousto-optic isolator AOI concept has shown promise to correct the feedback problem. Under this program, a number of AOI devices have been constructed, tested, and compared. Using a master oscillatorpower amplifier simulator, instability of the master oscillator has been determined to be a function of feedback level, the difference between feedback signal and oscillator frequencies, and averaging time. AOI devices are shown to enhance the stability of the master oscillator. Author

Subject Categories:

  • Infrared Detection and Detectors
  • Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE