Accession Number : ADA324605

Title :   Proceedings of the First Army Research Laboratory Acousto-Optic Tunable Filter Workshop.

Descriptive Note : Final rept. Jan 96-Jan 97,

Corporate Author : ARMY RESEARCH LAB ADELPHI MD

Personal Author(s) : Gupta, Neelam

PDF Url : ADA324605

Report Date : MAR 1997

Pagination or Media Count : 224

Abstract : Acoustic optic tunable filter (AOTF technology is a recent development that offers potential for rapid, frequency agile tuning over a large optical wavelength range. An AOTF is an electronically tunable phase grating set up in an anisotropic crystal by the propagation of an ultrasonic wave in the crystal. Such filters have many attractive features, such as small size, lightweight, computer controlled operation, large optical wavelength range of operation, and no moving parts; and their operation can be made ultrasensitive by the use of advanced signal processing algorithms. These filters are being used in many applications such as the design of new spectroscopic instruments, remote detection and monitoring of chemicals, optical communication networks, tuning of laser cavities, etc.

Descriptors :   *ACOUSTOOPTICS, *OPTOACOUSTIC FILTERS, SIGNAL PROCESSING, LASER CAVITIES, OPTICAL COMMUNICATIONS, GRATINGS(SPECTRA), ANISOTROPY, COMMUNICATIONS NETWORKS, REMOTE DETECTION, FREQUENCY AGILITY, ULTRASONIC RADIATION, TUNING DEVICES, PHASE(ELECTRONICS).

Subject Categories : Acoustooptic and Optoacoustic Devices

Distribution Statement : APPROVED FOR PUBLIC RELEASE