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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 2060–2062

Ultralow refractive index coatings consisting of mesoporous silica nanoparticles

Masato Yamaguchi, Hiroyuki Nakayama, Kazuhiro Yamada, and Hiroaki Imai  »View Author Affiliations


Optics Letters, Vol. 34, Issue 13, pp. 2060-2062 (2009)
http://dx.doi.org/10.1364/OL.34.002060


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Abstract

Highly porous coatings having ultralow refractive index ( n = 1.07 ) and good transparency were obtained using mesoporous silica nanoparticles. Excellent antireflection performance was achieved with six antireflection layers including the mesoporous film as the top layer. The average reflectance in the entire visible wavelength region (380–780 nm) was 0.04 0.22 % at incident angle of 0°–40°. This facile technique for ultralow reflection coatings is potentially applicable to various optical devices to remove many problems caused by reflection.

© 2009 Optical Society of America

OCIS Codes
(310.1210) Thin films : Antireflection coatings
(310.1860) Thin films : Deposition and fabrication
(310.6860) Thin films : Thin films, optical properties
(310.6188) Thin films : Spectral properties

ToC Category:
Thin Films

History
Original Manuscript: April 10, 2009
Manuscript Accepted: May 17, 2009
Published: June 29, 2009

Citation
Masato Yamaguchi, Hiroyuki Nakayama, Kazuhiro Yamada, and Hiroaki Imai, "Ultralow refractive index coatings consisting of mesoporous silica nanoparticles," Opt. Lett. 34, 2060-2062 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-2060

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