Accession Number:

ADD020102

Title:

Laser-Based Acousto-Optic Uplink Communications Technique

Descriptive Note:

Patent Application, Filed 18 Aug 2003

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

2003-08-18

Pagination or Media Count:

12.0

Abstract:

An apparatus for enabling acousto-optic communication comprising an in-water platform comprising means for emitting an acoustic signal to an acousto-optic interaction zone, an in-air platform comprising the ability for transmitting a first optical interrogation beam, the ability for receiving a portion of the first interrogation beam and a second laser beam formed from the reflection of the first interrogation beam off of the acousto- optic interaction zone, the ability for measuring and outputting a plurality of optical interferences between the portion of the first interrogation beam and the second reflected beam, and a signal converter receiving as input the plurality of optical interferences and outputting an electrical signal representing the received acoustic telemetry signal at the interrogation point at the air-water interface.

Subject Categories:

  • Acoustooptic and Optoacoustic Devices

Distribution Statement:

APPROVED FOR PUBLIC RELEASE