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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 14 — May. 10, 2014
  • pp: 3147–3156

Observation of the waveguide resonance in a periodically patterned high refractive index broadband antireflection coating

O. Stenzel, S. Wilbrandt, X. Chen, R. Schlegel, L. Coriand, A. Duparré, U. Zeitner, T. Benkenstein, and C. Wächter  »View Author Affiliations


Applied Optics, Vol. 53, Issue 14, pp. 3147-3156 (2014)
http://dx.doi.org/10.1364/AO.53.003147


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Abstract

Grating waveguide structures have been prepared by the deposition of a high refractive index broadband antireflection coating onto a patterned fused silica substrate. Aluminum oxide and hafnium oxide as well as mixtures thereof have been used as coating materials. Optical reflection measurements combined with atomic force microscopy have been used to characterize the structures. Upon illumination with a TE wave, the best structure shows a narrow reflection peak located at 633 nm at an incidence angle of about 17°. The peak reflectance of that sample accounts for more than 89%. Off-resonance interference structures appear strongly suppressed in the spectrum between 450 and 800 nm because of the characteristics of the designed antireflection layer. The structure thus possesses a notch filter spectral characteristic in a broad spectral range.

© 2014 Optical Society of America

OCIS Codes
(230.1950) Optical devices : Diffraction gratings
(310.1210) Thin films : Antireflection coatings
(310.2785) Thin films : Guided wave applications
(310.6188) Thin films : Spectral properties
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Thin Films

History
Original Manuscript: February 3, 2014
Revised Manuscript: March 28, 2014
Manuscript Accepted: April 4, 2014
Published: May 9, 2014

Citation
O. Stenzel, S. Wilbrandt, X. Chen, R. Schlegel, L. Coriand, A. Duparré, U. Zeitner, T. Benkenstein, and C. Wächter, "Observation of the waveguide resonance in a periodically patterned high refractive index broadband antireflection coating," Appl. Opt. 53, 3147-3156 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-14-3147

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