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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 18 — Sep. 9, 2002
  • pp: 965–971

Performances of a polymer-cholesteric-liquid-crystal output-coupler in Nd-doped fiber lasers

Belkacem Meziane, Chuin Li, Pierre Carette, Marc Warenghem, and Michel Mitov  »View Author Affiliations

Optics Express, Vol. 10, Issue 18, pp. 965-971 (2002)

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The performances and characteristics of a polymer-cholesteric-liquid-crystal reflector, used as an output coupler in a Nd-doped fiber laser, are presented. We show that a judicious combination of a linear polarizer and a quarter wave plate with the cholesteric coupler allows for a continuous scanning of the output-intensity from zero to a maximum value following the well-known Malus law. The results are shown to be contained in a simple Jones Matrix formalism. The LP-QW-PCLC combination is characterized by a reflection coefficient that can be freely adjusted from 0 to 1 by a simple rotation of the quarter-wave plate.

© 2002 Optical Society of America

OCIS Codes
(080.2730) Geometric optics : Matrix methods in paraxial optics
(140.3530) Lasers and laser optics : Lasers, neodymium
(160.3710) Materials : Liquid crystals

ToC Category:
Research Papers

Original Manuscript: June 11, 2002
Revised Manuscript: September 4, 2002
Published: September 9, 2002

Belkacem Meziane, Chuin Li, Pierre Carette, Marc Warenghem, and Michel Mitov, "Performances of a polymer-cholesteric-liquidcrystal output-coupler in Nd-doped fiber lasers," Opt. Express 10, 965-971 (2002)

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