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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 1 — Jan. 14, 2013
  • pp: 322–328

Fabrication of antireflection subwavelength gratings at the tips of optical fibers using UV nanoimprint lithography

Yoshiaki Kanamori, Masaaki Okochi, and Kazuhiro Hane  »View Author Affiliations

Optics Express, Vol. 21, Issue 1, pp. 322-328 (2013)

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Antireflection (AR) layers at the tips of optical fibers are indispensable in high efficiency and low noise applications. We realized the AR structures with two-dimensional binary subwavelength gratings (SWGs) at the tips of optical fibers by using a dedicated UV nanoimprint machine. Using this technique, ideal AR structures with desired refractive indices can be realized at low cost in principle. The SWG with the period of 700 nm was fabricated at the tip of a single-mode optical fiber for optical communications system. The reflectance was decreased to less than 0.27% at measured wavelengths between 1460 nm and 1580 nm.

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OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(310.1210) Thin films : Antireflection coatings
(220.4241) Optical design and fabrication : Nanostructure fabrication
(050.6624) Diffraction and gratings : Subwavelength structures
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 12, 2012
Revised Manuscript: December 20, 2012
Manuscript Accepted: December 20, 2012
Published: January 4, 2013

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Yoshiaki Kanamori, Masaaki Okochi, and Kazuhiro Hane, "Fabrication of antireflection subwavelength gratings at the tips of optical fibers using UV nanoimprint lithography," Opt. Express 21, 322-328 (2013)

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