Subject:  08/95 Ring laser.JPG
Author:  Joe Schwartz, Georgia Institute of Technology
Uploaded By:  CHansen598
Date:  7/7/1995

File:  moss02.JPG (46113 bytes) 
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From the August 1995 issue of SCIENTIFIC AMERICAN

The Benefits of Background Noise

by Frank Moss and Kurt Wiesenfeld

This 640 x 412 pixel image depicts how ring lasers exhibit stochastic resonance. Acoustic waves placed in a laser's path can make the light reverse its rotation at a regular rate or at random.