Hydrofluoric Acid Refractive Index Determination using In-situ Monitoring of Etched Fibre Bragg Gratings

M. F. Namiq; M. Ibsen

doi:10.1364/SENSORS.2015.SeS3C.4

Advanced Photonics 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper SeS3C.4
•https://doi.org/10.1364/SENSORS.2015.SeS3C.4

Hydrofluoric Acid Refractive Index Determination using In-situ Monitoring of Etched Fibre Bragg Gratings

M. F. Namiq and M. Ibsen

Optical Sensors 2015

Boston, Massachusetts United States
27 June–1 July 2015
ISBN: 978-1-55752-000-5

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Optical Fiber Sensors II (SeS3C)

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M. F. Namiq and M. Ibsen, "Hydrofluoric Acid Refractive Index Determination using In-situ Monitoring of Etched Fibre Bragg Gratings," in Advanced Photonics 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper SeS3C.4.

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Abstract

By monitoring the wavelength-shift of Bragg-resonances in a fibre grating during cladding-etching, we measure the refractive-index of buffered-HF acid (20:1) as 1.36±0.005 @ 1.55μm, and use that to demonstrate precise control the fibre etch-diameter.

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