Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching

Edward Davies, Pouneh Saffari, Chengbo Mou, Kaiming Zhou, Lin Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Poster: The properties of etched large angle tilted gratings (81o) are investigated. The attenuation peaks of the modes are found to shift to shorter wavelengths at a rate of ∼5nm/min in a solution of 10% HF acid. The most sensitive modes are examined for different etching times creating the relationship that longer etching times results in an increase in overall sensitivity. Comparing the sensitivity of the tilted fibre grating, etched for 6 hours, 506.9nm/unri and the most sensitive LPG, period 164μm, 389.2nm/unri in the RI range 1.30-1.40 shows that the produced tilted grating is more sensitive than the LPG and in this range would ideally be suited for the used in Bio-sensing applications.

Original languageEnglish
Title of host publication20th International Conference on Optical Fibre Sensors
EditorsJulian D.C. Jones, et al
Place of PublicationBellingham, WA (US)
PublisherSPIE
Number of pages4
ISBN (Print)978-0-8194-7814-6
DOIs
Publication statusPublished - 5 Oct 2009
Event20th International Conference on Optical Fibre Sensors - Edinburgh, United Kingdom
Duration: 5 Oct 20099 Oct 2009

Publication series

NameSPIE Proceedings
PublisherSPIE
Volume7503
ISSN (Print)0277-786X
ISSN (Electronic)2410-9045

Conference

Conference20th International Conference on Optical Fibre Sensors
CountryUnited Kingdom
CityEdinburgh
Period5/10/099/10/09
OtherThe International Conference on ‘Optical Fibre Sensors’ is acknowledged as the world’s leading conference on all topics related to fibre-optic, guided-wave and optical sensing devices, systems, theories and techniques for research and applications.

Fingerprint

Penicillin G Benzathine
Bragg gratings
Liquefied petroleum gas
Bragg Grating
Etching
Refractive Index
Gratings
Refractive index
Enhancement
etching
gratings
refractivity
Biosensing
augmentation
sensitivity
Fiber Grating
Attenuation
Range of data
Wavelength
Angle

Bibliographical note

Edward Davies; Pouneh Saffari; Chengbo Mou; Kaiming Zou and Lin Zhang; "Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036X (October 05, 2009).

Copyright 2009 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

DOI: http://dx.doi.org/10.1117/12.834906

Cite this

Davies, E., Saffari, P., Mou, C., Zhou, K., & Zhang, L. (2009). Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching. In J. D. C. Jones, & et al (Eds.), 20th International Conference on Optical Fibre Sensors [75036X] (SPIE Proceedings; Vol. 7503). Bellingham, WA (US): SPIE. https://doi.org/10.1117/12.834906
Davies, Edward ; Saffari, Pouneh ; Mou, Chengbo ; Zhou, Kaiming ; Zhang, Lin. / Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching. 20th International Conference on Optical Fibre Sensors. editor / Julian D.C. Jones ; et al. Bellingham, WA (US) : SPIE, 2009. (SPIE Proceedings).
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Davies, E, Saffari, P, Mou, C, Zhou, K & Zhang, L 2009, Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching. in JDC Jones & et al (eds), 20th International Conference on Optical Fibre Sensors., 75036X, SPIE Proceedings, vol. 7503, SPIE, Bellingham, WA (US), 20th International Conference on Optical Fibre Sensors, Edinburgh, United Kingdom, 5/10/09. https://doi.org/10.1117/12.834906

Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching. / Davies, Edward; Saffari, Pouneh; Mou, Chengbo; Zhou, Kaiming; Zhang, Lin.

20th International Conference on Optical Fibre Sensors. ed. / Julian D.C. Jones; et al. Bellingham, WA (US) : SPIE, 2009. 75036X (SPIE Proceedings; Vol. 7503).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Poster: The properties of etched large angle tilted gratings (81o) are investigated. The attenuation peaks of the modes are found to shift to shorter wavelengths at a rate of ∼5nm/min in a solution of 10% HF acid. The most sensitive modes are examined for different etching times creating the relationship that longer etching times results in an increase in overall sensitivity. Comparing the sensitivity of the tilted fibre grating, etched for 6 hours, 506.9nm/unri and the most sensitive LPG, period 164μm, 389.2nm/unri in the RI range 1.30-1.40 shows that the produced tilted grating is more sensitive than the LPG and in this range would ideally be suited for the used in Bio-sensing applications.

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PB - SPIE

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ER -

Davies E, Saffari P, Mou C, Zhou K, Zhang L. Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching. In Jones JDC, et al, editors, 20th International Conference on Optical Fibre Sensors. Bellingham, WA (US): SPIE. 2009. 75036X. (SPIE Proceedings). https://doi.org/10.1117/12.834906