crystalline double refraction

crystalline double refraction

[′kris·tə·lən ′dəb·əl ri′frak·shən]
(optics)
The splitting which a wavefront experiences when a wave disturbance propagates through an anisotropic crystal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.