Presentation 2008-10-17
Low bandwidth temperature sensing using reference stimulated Brillouin scattered beam
Daisuke Iida, Fumihiko Ito,
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Abstract(in English) We propose a method that down-converts the electrical bandwidth for Brillouin frequency shift sensors with heterodyne detection without the need for any expensive instruments or a complicated system. We discuss the power and coherency of the stimulated Brillouin scattering light required for the reference fiber. We confirm that the frequency bandwidth measured with the proposed method is much lower (0.2GHz) than that measurable with conventional heterodyne detection (11GHz). Moreover, the proposed method can measure the dependence of the Brillouin frequency shift on temperature.
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Keyword(in English) Brillouin scattering / heterodyne detection / frequency bandwidth
Paper # OFT2008-43
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Committee OFT
Conference Date 2008/10/10(1days)
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Registration To Optical Fiber Technology (OFT)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Low bandwidth temperature sensing using reference stimulated Brillouin scattered beam
Sub Title (in English)
Keyword(1) Brillouin scattering
Keyword(2) heterodyne detection
Keyword(3) frequency bandwidth
1st Author's Name Daisuke Iida
1st Author's Affiliation NTT Access Network Service Systems Laboratories()
2nd Author's Name Fumihiko Ito
2nd Author's Affiliation NTT Access Network Service Systems Laboratories
Date 2008-10-17
Paper # OFT2008-43
Volume (vol) vol.108
Number (no) 245
Page pp.pp.-
#Pages 6
Date of Issue