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

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

doi:10.1117/12.834906

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

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

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Chapter in Book/Published conference output › Conference publication

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 language	English
Title of host publication	20th International Conference on Optical Fibre Sensors
Editors	Julian D.C. Jones, et al
Place of Publication	Bellingham, WA (US)
Publisher	SPIE
Number of pages	4
ISBN (Print)	978-0-8194-7814-6
DOIs	https://doi.org/10.1117/12.834906
Publication status	Published - 5 Oct 2009
Event	20th International Conference on Optical Fibre Sensors - Edinburgh, United Kingdom Duration: 5 Oct 2009 → 9 Oct 2009

Publication series

Name	SPIE Proceedings
Publisher	SPIE
Volume	7503
ISSN (Print)	0277-786X
ISSN (Electronic)	2410-9045

Conference

Conference	20th International Conference on Optical Fibre Sensors
Country/Territory	United Kingdom
City	Edinburgh
Period	5/10/09 → 9/10/09
Other	The 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.

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

Access to Document

10.1117/12.834906

Refractive index sensitivity enhancement of tilted Bragg gratings by cladding etching
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
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Cite this

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title = "Refractive index sensitivity enhancement of 81° tilted Bragg gratings by cladding etching",

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.",

author = "Edward Davies and Pouneh Saffari and Chengbo Mou and Kaiming Zhou and Lin Zhang",

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 ; 20th International Conference on Optical Fibre Sensors ; Conference date: 05-10-2009 Through 09-10-2009",

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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 et al.
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/Published conference output › Conference publication

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N2 - 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.

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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Y2 - 5 October 2009 through 9 October 2009

ER -

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

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