References & Sources - January 16, 1999

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Disorderly crystals emit laser light

A semiconductor crystal doesn't have to be perfect in order to give off laser light.

References:

Cao, H. . . . and R.P.H. Chang. 1998. Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films. Applied Physics Letters 73(Dec. 21):3656.

Sources:

R.P.H. Chang
Northwestern University
Materials Research Center
2145 Sheridan Road, Room K111
Evanston, IL 60208
Web site: http://nuinfo.nwu.edu/materials/faculty/rphc.html

From Science News, Vol. 155, No. 3, January 16, 1999, p. 47. Copyright © 1999, Science Service.

Copyright 1999 Science Service