Accession Number : AD0710240

Title :   ACTIVE ACOUSTO-OPTIC MODULATORS.

Descriptive Note : Technical rept.,

Corporate Author : ARMY ELECTRONICS COMMAND FORT MONMOUTH N J

Personal Author(s) : Mauro,Robert

Report Date : JUL 1970

Pagination or Media Count : 65

Abstract : In recent years there has been considerable interest in the use of acousto-optical interaction phenomena for the modulation, deflection, and Q switching of lasers. This has been due principally to the development of new materials and techniques which have made such devices competitive with the better established mechanical and electro-optic methods. Typically an acousto-optic system consists of an interaction medium onto which a piezoelectric transducer is bonded, and an R.F. power source which excites the transducer producing the required acoustic waves. This report discusses a simplified alternate approach to this problem in which an active ultrasonic oscillator excited by a DC voltage source serves as both the interaction medium and the generator of the ultrasonic waves. (Author)

Descriptors :   (*ULTRASONIC RADIATION, SOURCES), (*PIEZOELECTRIC CRYSTALS, SEMICONDUCTOR DEVICES), MODULATORS, SEMICONDUCTORS, CADMIUM SULFIDES, LASERS, OSCILLATORS

Subject Categories : Acoustooptic and Optoacoustic Devices
      Acoustics
      Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE