Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal

Nan Guo; Liang Wang; Chao Jin; Tao Gui; Kangping Zhong; Xian Zhou; Jinhui Yuan; Changyuan Yu; Hwa Yaw Tam; Chao Lu

doi:10.1117/12.2265293

Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal

Nan Guo, Liang Wang, Chao Jin, Tao Gui, Kangping Zhong, Xian Zhou, Jinhui Yuan, Changyuan Yu, Hwa Yaw Tam, Chao Lu

The Hong Kong Polytechnic University

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

1 Citation (Scopus)

Abstract

A novel setup for coherent-detection-assisted Brillouin optical time domain analysis (BOTDA) is proposed and demonstrated. Performance enhancement is enabled by a power-controllable local oscillator (LO) generated using single-side-band (SSB) modulation. Through employing a commercial coherent receiver and polarization diversity scheme, the Brillouin gain traces carried on a stable intermediate frequency (IF) are obtained in real time without any averaging and processed by digital signal processing (DSP) without the need of ultra-narrow optical band pass filter. A spatial resolution of 4 m and frequency uncertainty of 1.473 MHz are achieved over 40 km sensing range using a single scan.

Original language	English
Title of host publication	25th International Conference on Optical Fiber Sensors
Publisher	SPIE
Volume	10323
ISBN (Electronic)	9781510610910
DOIs	https://doi.org/10.1117/12.2265293
Publication status	Published - 1 Jan 2017
Event	25th International Conference on Optical Fiber Sensors, OFS 2017 - Jeju, Korea, Republic of Duration: 24 Apr 2017 → 28 Apr 2017

Conference

Conference	25th International Conference on Optical Fiber Sensors, OFS 2017
Country/Territory	Korea, Republic of
City	Jeju
Period	24/04/17 → 28/04/17

Keywords

BOTDA
Coherent detection
Digital signal processing
Distributed fiber sensor
Stimulated Brillouin scattering

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

More information

10.1117/12.2265293

Cite this

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title = "Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal",

abstract = "A novel setup for coherent-detection-assisted Brillouin optical time domain analysis (BOTDA) is proposed and demonstrated. Performance enhancement is enabled by a power-controllable local oscillator (LO) generated using single-side-band (SSB) modulation. Through employing a commercial coherent receiver and polarization diversity scheme, the Brillouin gain traces carried on a stable intermediate frequency (IF) are obtained in real time without any averaging and processed by digital signal processing (DSP) without the need of ultra-narrow optical band pass filter. A spatial resolution of 4 m and frequency uncertainty of 1.473 MHz are achieved over 40 km sensing range using a single scan.",

keywords = "BOTDA, Coherent detection, Digital signal processing, Distributed fiber sensor, Stimulated Brillouin scattering",

author = "Nan Guo and Liang Wang and Chao Jin and Tao Gui and Kangping Zhong and Xian Zhou and Jinhui Yuan and Changyuan Yu and Tam, {Hwa Yaw} and Chao Lu",

year = "2017",

month = jan,

day = "1",

doi = "10.1117/12.2265293",

language = "English",

volume = "10323",

booktitle = "25th International Conference on Optical Fiber Sensors",

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address = "United States",

note = "25th International Conference on Optical Fiber Sensors, OFS 2017 ; Conference date: 24-04-2017 Through 28-04-2017",

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Guo, N, Wang, L, Jin, C, Gui, T, Zhong, K, Zhou, X, Yuan, J, Yu, C , Tam, HY & Lu, C 2017, Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal. in 25th International Conference on Optical Fiber Sensors. vol. 10323, 103237L, SPIE, 25th International Conference on Optical Fiber Sensors, OFS 2017, Jeju, Korea, Republic of, 24/04/17. https://doi.org/10.1117/12.2265293

Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal. / Guo, Nan; Wang, Liang; Jin, Chao et al.
25th International Conference on Optical Fiber Sensors. Vol. 10323 SPIE, 2017. 103237L.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

TY - GEN

T1 - Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal

AU - Guo, Nan

AU - Wang, Liang

AU - Jin, Chao

AU - Gui, Tao

AU - Zhong, Kangping

AU - Zhou, Xian

AU - Yuan, Jinhui

AU - Yu, Changyuan

AU - Tam, Hwa Yaw

AU - Lu, Chao

PY - 2017/1/1

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N2 - A novel setup for coherent-detection-assisted Brillouin optical time domain analysis (BOTDA) is proposed and demonstrated. Performance enhancement is enabled by a power-controllable local oscillator (LO) generated using single-side-band (SSB) modulation. Through employing a commercial coherent receiver and polarization diversity scheme, the Brillouin gain traces carried on a stable intermediate frequency (IF) are obtained in real time without any averaging and processed by digital signal processing (DSP) without the need of ultra-narrow optical band pass filter. A spatial resolution of 4 m and frequency uncertainty of 1.473 MHz are achieved over 40 km sensing range using a single scan.

AB - A novel setup for coherent-detection-assisted Brillouin optical time domain analysis (BOTDA) is proposed and demonstrated. Performance enhancement is enabled by a power-controllable local oscillator (LO) generated using single-side-band (SSB) modulation. Through employing a commercial coherent receiver and polarization diversity scheme, the Brillouin gain traces carried on a stable intermediate frequency (IF) are obtained in real time without any averaging and processed by digital signal processing (DSP) without the need of ultra-narrow optical band pass filter. A spatial resolution of 4 m and frequency uncertainty of 1.473 MHz are achieved over 40 km sensing range using a single scan.

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KW - Coherent detection

KW - Digital signal processing

KW - Distributed fiber sensor

KW - Stimulated Brillouin scattering

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DO - 10.1117/12.2265293

M3 - Conference article published in proceeding or book

VL - 10323

BT - 25th International Conference on Optical Fiber Sensors

PB - SPIE

T2 - 25th International Conference on Optical Fiber Sensors, OFS 2017

Y2 - 24 April 2017 through 28 April 2017

ER -

Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal

Abstract

Conference

Keywords

ASJC Scopus subject areas

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