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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 19 — Oct. 1, 2011
  • pp: 3951–3953

Ultraviolet true zero-order wave plate made of birefringent porous silica

Shinsuke Shichi, Minoru Fujii, and Shinji Hayashi  »View Author Affiliations


Optics Letters, Vol. 36, Issue 19, pp. 3951-3953 (2011)
http://dx.doi.org/10.1364/OL.36.003951


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Abstract

Porous Si made from ( 110 ) Si wafers exhibits strong in-plane optical anisotropy (birefringence) in the visible and near-IR ranges. Oxidation of the birefringent porous Si results in the formation of birefringent porous silica. We demonstrate that the degree of the birefringence of porous silica can be controlled by the oxidation condition, and very small birefringence can be achieved. The smallest anisotropy of the refractive index ( Δ n ) is 0.001, which is about ten times smaller than that of quartz. The small birefringence allows us to produce true zero-order wave plates operating in the UV range.

© 2011 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Materials

History
Original Manuscript: June 29, 2011
Revised Manuscript: September 6, 2011
Manuscript Accepted: September 10, 2011
Published: September 30, 2011

Citation
Shinsuke Shichi, Minoru Fujii, and Shinji Hayashi, "Ultraviolet true zero-order wave plate made of birefringent porous silica," Opt. Lett. 36, 3951-3953 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-19-3951

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