Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation

Chengbo Mou; Kaiming Zhou; Rui Suo; Lin Zhang; Ian Bennion

doi:10.1117/12.833595

Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation

Chengbo Mou, Kaiming Zhou, Rui Suo, Lin Zhang, Ian Bennion

Aston Institute of Photonic Technologies (AiPT)

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

4 Citations (Scopus)

169 Downloads (Pure)

Abstract

In this paper, we report a simple fibre laser torsion sensor system using an intracavity tilted fibre grating as a torsion encoded loss filter. When the grating is subjected to twist, it induces loss to the cavity, thus affecting the laser oscillation build-up time. By measuring the build-up time, both twist direction and angle on the grating can be monitored. Using a low-cost photodiode and a two-channel digital oscilloscope, we have characterised the torsion sensing capability of this fibre laser system and obtained a torsion sensitivity of ~412µs/(rad/m) in the dynamic range from -150° to +150°.

Original language	English
Title of host publication	20th international conference on optical fibre sensors
Editors	Julian D.C. Jones, Brian Culshaw, Wolfgang Ecke, José M. López-Higuera, Reinhardt Willsch
Publisher	Society of Photo-Optical Instrumentation Engineers (SPIE)
Number of pages	4
Volume	7503
ISBN (Print)	978-0-8194-7814-6
DOIs	https://doi.org/10.1117/12.833595
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

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

Chengbo Mou ; Kaiming Zhou ; Rui Suo ; Lin Zhang and Ian Bennion, "Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033E (October 05, 2009); doi:10.1117/12.833595; http://dx.doi.org/10.1117/12.833595.

Copyright 2009 Society of Photo-Optical Instrumentation Engineers. 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 modification of the content of the paper are prohibited.

http://dx.doi.org/10.1117/12.833595

Keywords

torsion sensor
fibre laser
tilted fibre grating
photonics

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10.1117/12.833595

Fibre laser torsion sensor system using an excessively tilted
Chengbo Mou ; Kaiming Zhou ; Rui Suo ; Lin Zhang and Ian Bennion, "Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033E (October 05, 2009); doi:10.1117/12.833595; http://dx.doi.org/10.1117/12.833595. Copyright 2009 Society of Photo-Optical Instrumentation Engineers. 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 modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.833595
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Cite this

Mou, C., Zhou, K., Suo, R., Zhang, L., & Bennion, I. (2009). Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation. In J. D. C. Jones, B. Culshaw, W. Ecke, J. M. López-Higuera, & R. Willsch (Eds.), 20th international conference on optical fibre sensors (Vol. 7503). (SPIE proceedings; Vol. 7503). Society of Photo-Optical Instrumentation Engineers (SPIE). https://doi.org/10.1117/12.833595

Mou, Chengbo ; Zhou, Kaiming ; Suo, Rui et al. / Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation. 20th international conference on optical fibre sensors. editor / Julian D.C. Jones ; Brian Culshaw ; Wolfgang Ecke ; José M. López-Higuera ; Reinhardt Willsch. Vol. 7503 Society of Photo-Optical Instrumentation Engineers (SPIE), 2009. (SPIE proceedings).

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abstract = "In this paper, we report a simple fibre laser torsion sensor system using an intracavity tilted fibre grating as a torsion encoded loss filter. When the grating is subjected to twist, it induces loss to the cavity, thus affecting the laser oscillation build-up time. By measuring the build-up time, both twist direction and angle on the grating can be monitored. Using a low-cost photodiode and a two-channel digital oscilloscope, we have characterised the torsion sensing capability of this fibre laser system and obtained a torsion sensitivity of ~412µs/(rad/m) in the dynamic range from -150° to +150°.",

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Mou, C, Zhou, K, Suo, R, Zhang, L & Bennion, I 2009, Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation. in JDC Jones, B Culshaw, W Ecke, JM López-Higuera & R Willsch (eds), 20th international conference on optical fibre sensors. vol. 7503, SPIE proceedings, vol. 7503, Society of Photo-Optical Instrumentation Engineers (SPIE), 20th International Conference on Optical Fibre Sensors, Edinburgh, United Kingdom, 5/10/09. https://doi.org/10.1117/12.833595

Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation. / Mou, Chengbo; Zhou, Kaiming; Suo, Rui et al.
20th international conference on optical fibre sensors. ed. / Julian D.C. Jones; Brian Culshaw; Wolfgang Ecke; José M. López-Higuera; Reinhardt Willsch. Vol. 7503 Society of Photo-Optical Instrumentation Engineers (SPIE), 2009. (SPIE proceedings; Vol. 7503).

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

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AU - Suo, Rui

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N1 - Chengbo Mou ; Kaiming Zhou ; Rui Suo ; Lin Zhang and Ian Bennion, "Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033E (October 05, 2009); doi:10.1117/12.833595; http://dx.doi.org/10.1117/12.833595. Copyright 2009 Society of Photo-Optical Instrumentation Engineers. 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 modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.833595

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N2 - In this paper, we report a simple fibre laser torsion sensor system using an intracavity tilted fibre grating as a torsion encoded loss filter. When the grating is subjected to twist, it induces loss to the cavity, thus affecting the laser oscillation build-up time. By measuring the build-up time, both twist direction and angle on the grating can be monitored. Using a low-cost photodiode and a two-channel digital oscilloscope, we have characterised the torsion sensing capability of this fibre laser system and obtained a torsion sensitivity of ~412µs/(rad/m) in the dynamic range from -150° to +150°.

AB - In this paper, we report a simple fibre laser torsion sensor system using an intracavity tilted fibre grating as a torsion encoded loss filter. When the grating is subjected to twist, it induces loss to the cavity, thus affecting the laser oscillation build-up time. By measuring the build-up time, both twist direction and angle on the grating can be monitored. Using a low-cost photodiode and a two-channel digital oscilloscope, we have characterised the torsion sensing capability of this fibre laser system and obtained a torsion sensitivity of ~412µs/(rad/m) in the dynamic range from -150° to +150°.

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KW - tilted fibre grating

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VL - 7503

T3 - SPIE proceedings

BT - 20th international conference on optical fibre sensors

A2 - Jones, Julian D.C.

A2 - Culshaw, Brian

A2 - Ecke, Wolfgang

A2 - López-Higuera, José M.

A2 - Willsch, Reinhardt

PB - Society of Photo-Optical Instrumentation Engineers (SPIE)

T2 - 20th International Conference on Optical Fibre Sensors

Y2 - 5 October 2009 through 9 October 2009

ER -

Mou C, Zhou K, Suo R, Zhang L , Bennion I. Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation. In Jones JDC, Culshaw B, Ecke W, López-Higuera JM, Willsch R, editors, 20th international conference on optical fibre sensors. Vol. 7503. Society of Photo-Optical Instrumentation Engineers (SPIE). 2009. (SPIE proceedings). doi: 10.1117/12.833595

Fibre laser torsion sensor system using an excessively tilted fibre grating and low-cost time domain demodulation

Abstract

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Bibliographical note

Keywords

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