Scanning-free characterization of local Brillouin spectra based on transient analysis

Eyal Preter; Avi Zadok

doi:10.1117/12.2220201

Scanning-free characterization of local Brillouin spectra based on transient analysis

Eyal Preter, Avi Zadok

Bar-Ilan University - The Alexander Kofkin Faculty of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

The transient stimulated Brillouin scattering amplification of a step-function signal wave is examined analytically. Prior to reaching a steady state, the logarithmic gain coefficient of the signal wave is oscillating at a frequency that is given by the detuning of the stimulated acoustic wave from the Brillouin frequency shift (BFS) of the medium. The study of a single transient trace, taken at an arbitrary known frequency offset between pump and signal, may recover the BFS of the medium. The measurement protocol does not involve spectral scanning. The technique may increase the acquisition rate in high-resolution, distributed Brillouin fiber sensor setups.

Original language	English
Title of host publication	Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX
Editors	Selim M. Shahriar, Jacob Scheuer
Publisher	SPIE
ISBN (Electronic)	9781628419986
DOIs	https://doi.org/10.1117/12.2220201
State	Published - 2016
Event	Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX - San Francisco, United States Duration: 15 Feb 2016 → 18 Feb 2016

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9763
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX
Country/Territory	United States
City	San Francisco
Period	15/02/16 → 18/02/16

Bibliographical note

Publisher Copyright:
© 2016 SPIE.

Keywords

Distributed Brillouin analysis
Fiber-optics
Nonlinear optics
Stimulated Brillouin scattering

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10.1117/12.2220201

Cite this

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title = "Scanning-free characterization of local Brillouin spectra based on transient analysis",

abstract = "The transient stimulated Brillouin scattering amplification of a step-function signal wave is examined analytically. Prior to reaching a steady state, the logarithmic gain coefficient of the signal wave is oscillating at a frequency that is given by the detuning of the stimulated acoustic wave from the Brillouin frequency shift (BFS) of the medium. The study of a single transient trace, taken at an arbitrary known frequency offset between pump and signal, may recover the BFS of the medium. The measurement protocol does not involve spectral scanning. The technique may increase the acquisition rate in high-resolution, distributed Brillouin fiber sensor setups.",

keywords = "Distributed Brillouin analysis, Fiber-optics, Nonlinear optics, Stimulated Brillouin scattering",

author = "Eyal Preter and Avi Zadok",

note = "Publisher Copyright: {\textcopyright} 2016 SPIE.; Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX ; Conference date: 15-02-2016 Through 18-02-2016",

year = "2016",

doi = "10.1117/12.2220201",

language = "אנגלית",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE",

editor = "Shahriar, {Selim M.} and Jacob Scheuer",

booktitle = "Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX",

address = "ארצות הברית",

}

Preter, E & Zadok, A 2016, Scanning-free characterization of local Brillouin spectra based on transient analysis. in SM Shahriar & J Scheuer (eds), Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX., 97631M, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9763, SPIE, Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX, San Francisco, United States, 15/02/16. https://doi.org/10.1117/12.2220201

Scanning-free characterization of local Brillouin spectra based on transient analysis. / Preter, Eyal; Zadok, Avi.
Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX. ed. / Selim M. Shahriar; Jacob Scheuer. SPIE, 2016. 97631M (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9763).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Zadok, Avi

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N2 - The transient stimulated Brillouin scattering amplification of a step-function signal wave is examined analytically. Prior to reaching a steady state, the logarithmic gain coefficient of the signal wave is oscillating at a frequency that is given by the detuning of the stimulated acoustic wave from the Brillouin frequency shift (BFS) of the medium. The study of a single transient trace, taken at an arbitrary known frequency offset between pump and signal, may recover the BFS of the medium. The measurement protocol does not involve spectral scanning. The technique may increase the acquisition rate in high-resolution, distributed Brillouin fiber sensor setups.

AB - The transient stimulated Brillouin scattering amplification of a step-function signal wave is examined analytically. Prior to reaching a steady state, the logarithmic gain coefficient of the signal wave is oscillating at a frequency that is given by the detuning of the stimulated acoustic wave from the Brillouin frequency shift (BFS) of the medium. The study of a single transient trace, taken at an arbitrary known frequency offset between pump and signal, may recover the BFS of the medium. The measurement protocol does not involve spectral scanning. The technique may increase the acquisition rate in high-resolution, distributed Brillouin fiber sensor setups.

KW - Distributed Brillouin analysis

KW - Fiber-optics

KW - Nonlinear optics

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PB - SPIE

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Y2 - 15 February 2016 through 18 February 2016

ER -

Scanning-free characterization of local Brillouin spectra based on transient analysis

Abstract

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Bibliographical note

Keywords

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