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Proceedings Paper

Adiabatic tapered optical fiber fabrication for exciting whispering gallery modes in microcavities
Author(s): Z. Chenari; H. Latifi; R. S. Hashemi; F. Doroudmand
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Paper Abstract

This article demonstrates an investigation and analysis of a tapered fiber fabrication using an etchant droplet method. To achieve precise control on process, a two-step etching method is proposed (using 48% concentration of HF acid and Buffered HF) which results in low-loss adiabatic tapered fiber. A spectrum analysis monitoring in addition to a microscopy system was used to verify the etching progress. Tapers with losses less than 0.4 dB in air and 4.5 dB in water are demonstrated. A biconical fiber taper fabricated using this method was used to excite the WGMs on a microsphere surface in aquatic environment.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574D (2 June 2014); doi: 10.1117/12.2058664
Show Author Affiliations
Z. Chenari, Shahid Beheshti Univ. (Iran, Islamic Republic of)
H. Latifi, Shahid Beheshti Univ. (Iran, Islamic Republic of)
R. S. Hashemi, Shahid Beheshti Univ. (Iran, Islamic Republic of)
F. Doroudmand, Shahid Beheshti Univ. (Iran, Islamic Republic of)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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