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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 5 — May. 1, 2013
  • pp: 651–657

Alkaline oxide interface modifiers for silicon fiber production

Erlend F. Nordstrand, Andrew N. Dibbs, Andreas J. Eraker, and Ursula J. Gibson  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 5, pp. 651-657 (2013)

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We demonstrate the ability to pull small diameter silicon-core fibers with low oxygen content by using interface modifiers between the silica cladding and the semiconductor. Alkali earths scavenge oxygen and form a fine-structured eutectic that accommodates thermal strain and may be useful as an intermediate index cladding layer for optical applications. NaO, MgO, SrO, CaO and BaO interface modifiers were tested. CaO coated fibers were made with core diameters down to 10 microns, small bending radii, low oxygen incorporation, and optical losses below 4 dB/cm at 1.55 microns.

© 2013 OSA

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2290) Fiber optics and optical communications : Fiber materials

ToC Category:
Materials for Fiber Optics

Original Manuscript: March 15, 2013
Revised Manuscript: April 16, 2013
Manuscript Accepted: April 17, 2013
Published: April 23, 2013

Erlend F. Nordstrand, Andrew N. Dibbs, Andreas J. Eraker, and Ursula J. Gibson, "Alkaline oxide interface modifiers for silicon fiber production," Opt. Mater. Express 3, 651-657 (2013)

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