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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 7 — Apr. 1, 1994
  • pp: 433–435

Selective mode excitation in graded-index multimode fiber by a computer-generated optical mask

F. Dubois, Ph. Emplit, and O. Hugon  »View Author Affiliations


Optics Letters, Vol. 19, Issue 7, pp. 433-435 (1994)
http://dx.doi.org/10.1364/OL.19.000433


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Abstract

We report on the generation of optical masks that permit the spatial shaping of a laser beam so that one can selectively excite single modes of a multimode parabolic graded-index optical fiber. The amplitude masks are determined by the analytical radial function of the fiber mode in the weakly guiding approximation. Phase reversal is encoded on the transparency through a shifted-grating technique. Effective injection and propagation of a single mode in a largely multimode fiber are shown as examples.

© 1994 Optical Society of America

History
Original Manuscript: December 22, 1993
Published: April 1, 1994

Citation
F. Dubois, Ph. Emplit, and O. Hugon, "Selective mode excitation in graded-index multimode fiber by a computer-generated optical mask," Opt. Lett. 19, 433-435 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-7-433

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