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Extension of measurement range in Brillouin optical correlation domain analysis by pump-probe switching.

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Title: Extension of measurement range in Brillouin optical correlation domain analysis by pump-probe switching.
Authors: Jeong, Ji1, Lee, Sang1, Jhon, Young2, Song, Kwang3, Jeong, Je-Myung4, Lee, Kwanil1 klee21@kist.re.kr
Source: Applied Physics B: Lasers & Optics. Jul2014, Vol. 116 Issue 1, p91-96. 6p.
Subjects: Brillouin scattering, Optical correlation, Pump probe spectroscopy, Absorption spectra, Attenuation of light, Optical switching
Abstract: We propose and experimentally demonstrate a novel method for the extension of the measurement range in Brillouin optical correlation domain analysis by switching the pump and probe waves for selectively inducing the stimulated Brillouin scattering (SBS) in the sensing fiber. In this scheme, two correlation peaks are located in the sensing fiber and SBS is alternatively induced at each position by pump/probe selective switching and optical attenuation. In the experiment, twice enlargement of measurement range is successfully achieved with 146-m fiber with a 10-cm spatial resolution. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+B%3A+Lasers+%26+Optics%22">Applied Physics B: Lasers & Optics</searchLink>. Jul2014, Vol. 116 Issue 1, p91-96. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Brillouin+scattering%22">Brillouin scattering</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+correlation%22">Optical correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Pump+probe+spectroscopy%22">Pump probe spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+spectra%22">Absorption spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Attenuation+of+light%22">Attenuation of light</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+switching%22">Optical switching</searchLink>
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  Data: We propose and experimentally demonstrate a novel method for the extension of the measurement range in Brillouin optical correlation domain analysis by switching the pump and probe waves for selectively inducing the stimulated Brillouin scattering (SBS) in the sensing fiber. In this scheme, two correlation peaks are located in the sensing fiber and SBS is alternatively induced at each position by pump/probe selective switching and optical attenuation. In the experiment, twice enlargement of measurement range is successfully achieved with 146-m fiber with a 10-cm spatial resolution. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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