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  <doc>
    <id>28961</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>879431-1</pageFirst>
    <pageLast>879431-4</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Paper 8794 - 181</issue>
    <volume>8794</volume>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation>International society for optics and photonics (SPIE)</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">L-BOFDA: a new sensor technique for distributed Brillouin sensing</title>
    <abstract language="eng">We propose a new scheme of Brillouin optical frequency-domain analysis (BOFDA) for distributed fiber-optic strain and temperature sensing, named linear-configured BOFDA (L-BOFDA). In conventional loop-configured BOFDA, light injection into both ends of a fiber under test (FUT) is needed for counter-propagation of pump and probe waves. In contrast, in L-BOFDA, pump and probe waves are injected into the same end of an FUT, and the probe wave Fresnelreflected (or mirror-reflected) at the other end of the FUT is exploited; thus, one-end access is feasible. We show proof-of-concept results of distributed strain measurement in a silica single-mode fiber with L-BOFDA, and discuss the signal-to-noise ratio degradation and the benefit in developing distributed Brillouin sensors based on polymer optical fibers.</abstract>
    <parentTitle language="eng">EWOFS 2013 - 5th European workshop on optical fibre sensors (Proceedings)</parentTitle>
    <identifier type="old">31858</identifier>
    <identifier type="doi">10.1117/12.2025378</identifier>
    <identifier type="issn">0277-786X</identifier>
    <note>Serientitel: Proceedings of SPIE – Series title: Proceedings of SPIE</note>
    <enrichment key="eventName">EWOFS 2013 - 5th European workshop on optical fibre sensors</enrichment>
    <enrichment key="eventPlace">Kraków, Poland</enrichment>
    <enrichment key="eventStart">19.05.2013</enrichment>
    <enrichment key="eventEnd">22.05.2013</enrichment>
    <enrichment key="date_peer_review">22.08.2013</enrichment>
    <author>Aleksander Wosniok</author>
    <author>Y. Mizuno</author>
    <author>Katerina Krebber</author>
    <author>K. Nakamura</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Brillouin optical frequency-domain analysis (BOFDA)</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>L-BOFDA</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Optical fiber sensing</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Distributed strain measurement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Stimulated Brillouin scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Polymer optical fiber</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>26319</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1496</pageFirst>
    <pageLast>1498</pageLast>
    <pageNumber/>
    <edition/>
    <issue>17</issue>
    <volume>24</volume>
    <type>article</type>
    <publisherName>IEEE</publisherName>
    <publisherPlace>New York, NY, USA</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Characterization of Brillouin gain spectra in polymer optical fibers fabricated by different manufacturers at 1.32 and 1.55 µm</title>
    <abstract language="eng">We characterize the Brillouin gain spectra (BGS) in perfluorinated graded-index polymer optical fibers (PFGI-POFs) at 1.32 µm and 1.55 µm. Three kinds of PFGI-POFs with the same core diameter, but which are fabricated by different manufacturers, are tested. For all the PFGI-POFs, the Stokes power measured at 1.32 µm is higher than that at 1.55 µm due to the lower propagation loss, but significant differences in Stokes power are observed among the three. Based on the measurement obtained by the optical time-domain reflectometry, we show that the actual propagation loss of the PFGI-POFs plays a crucial role in observing BGS.</abstract>
    <parentTitle language="eng">IEEE photonics technology letters</parentTitle>
    <identifier type="old">29077</identifier>
    <identifier type="doi">10.1109/LPT.2012.2206803</identifier>
    <identifier type="issn">1041-1135</identifier>
    <enrichment key="date_peer_review">20.08.2012</enrichment>
    <author>Y. Mizuno</author>
    <author>Philipp Lenke</author>
    <author>Katerina Krebber</author>
    <author>K. Nakamura</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Brillouin gain spectrum (BGS)</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Brillouin scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Nonlinear optics</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Polymer optical fiber (POF)</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>26742</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>96</pageFirst>
    <pageLast>99</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation>Georgia Institute of Technology</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Brillouin gain spectrum characterization in POF fabricated by different manufacturers at 1.32 and 1.55 um</title>
    <abstract language="eng">The Brillouin gain spectra (BGS) in perfluorinated graded-index polymer optical fibers (PFGl-POFs) are characterized at 1.32 and 1.55 pm. Three kinds of PFGl-POFs with the same core diameter but fabricated by different manufacturers are tested. For all the PFGl-POFs, the Stokes power measured at 1.32 pm is higher than that at 1.55 pm eine to the lower propagation loss, but significant difference in Stokes power is observed among the three. Based on the measurement by optical time-domain reflectometry, we show that the actual Propagation loss of the PFGl-POFs plays a crucial role in observing BGS.</abstract>
    <parentTitle language="eng">POF 2012 - 21st International conference on plastic optical fibers (Proceedings)</parentTitle>
    <identifier type="old">29524</identifier>
    <enrichment key="eventName">POF 2012 - 21st International conference on plastic optical fibers</enrichment>
    <enrichment key="eventPlace">Atlanta, Georgia, USA</enrichment>
    <enrichment key="eventStart">10.09.2012</enrichment>
    <enrichment key="eventEnd">12.09.2012</enrichment>
    <author>Y. Mizuno</author>
    <author>Peter Lenke</author>
    <author>Katerina Krebber</author>
    <author>K. Nakamura</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Brillouin scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Perfluorinated graded-index polymer optical fiber</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Optical time-domain reflectometry</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Nonlinear optics</value>
    </subject>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
  </doc>
</export-example>
