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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 5 — Mar. 6, 2006
  • pp: 1789–1796

Improved omnidirectional reflectors in chalcogenide glass and polymer by using the silver doping technique

T. J. Clement, N. Ponnampalam, H. T. Nguyen, and R. G. DeCorby  »View Author Affiliations


Optics Express, Vol. 14, Issue 5, pp. 1789-1796 (2006)
http://dx.doi.org/10.1364/OE.14.001789


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Abstract

We describe the fabrication and characterization of omnidirectional reflectors based on silver-doped chalcogenide glass and polymer. We deposited periodically alternating layers of thermally evaporated Ge33As12Se55 chalcogenide glass, sputtered silver, and spun-cast polyamide-imide polymer. The silver was subsequently dissolved into each adjacent chalcogenide glass layer, either by exposing the multilayer to visible light (photodoping) or by heating the sample. The resultant silver concentration within the chalcogenide glass layers is estimated to be ~20 at. %. Silver doping red-shifts the band edge of the glass, and produces an increase of ~0.3–0.4 in the refractive index. The glass retains good transparency in the near infrared after doping, and the technique enables the omnidirectional bandwidth to be increased from ~100 nm to ~200 nm in the 1550 nm wavelength region.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(160.2750) Materials : Glass and other amorphous materials
(230.4170) Optical devices : Multilayers

ToC Category:
Integrated Optics

History
Original Manuscript: January 11, 2006
Revised Manuscript: February 24, 2006
Manuscript Accepted: February 24, 2006
Published: March 6, 2006

Citation
Thomas Clement, N. Ponnampalam, H. T. Nguyen, and R. G. DeCorby, "Improved omnidirectional reflectors in chalcogenide glass and polymer by using the silver doping technique," Opt. Express 14, 1789-1796 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-5-1789


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