Precise optical characterization of SNAP structures with a reference fiber

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Abstract

A method of precise characterization of surface nanoscale axial photonics (SNAP) structures with a reference fiber is proposed, analyzed, and demonstrated experimentally. The method is based on simultaneous coupling of a microfiber to a SNAP structure under test and to a reference optical fiber. Significant reduction of measurement errors associated with the environmental temperature variations and technical noise of the spectrum analyzer is demonstrated. The achieved measurement precision of the effective radius variation of the SNAP structure is 0.2 Å.

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  • SNAP structures with a reference fiber

    Rights statement: © 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.

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Original languageEnglish
Pages (from-to)4963-4966
Number of pages4
JournalOptics Letters
Volume41
Issue number21
Early online date25 Oct 2016
DOIs
Publication statusPublished - 1 Nov 2016

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© 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. Funding: Royal Society (WM130110), Horizon 2020 (H2020-EU.1.3.3) (691011).

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