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Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT 2013-01-24
15:20
Tokushima   Measurement range enlargement in fiber-optic distributed strain and temperature sensing by coherent OTDR
Akio Togo, Tomoaki Sudo, Hisashi Izumita, Yahei Koyamada (Ibaraki Univ.), Li Che-Hsien, Kinzo Kishida (Neubrex) OFT2012-57
We extended measurand range of a coherent OTDR by introducing a fully tunable DFB laser whose optical frequency can be p... [more] OFT2012-57
pp.25-30
OFT, OCS
(Joint)
2011-08-26
14:05
Hokkaido   Fiber-Optic Distributed Temperature Measurement With Very High Resolution Over Long Range Based on Rayleigh Backscatter Traces Obtained With Coherent OTDR
Akio Togo, Yuta Iitsuka, Ryosuke Shimano, Hisashi Izumita, Yahei Koyamada (Ibaraki Univ.) OFT2011-25
Experiments and numerical simulations were conducted to find a possible performance of a technique for measuring distrib... [more] OFT2011-25
pp.43-48
OFT, OCS
(Joint)
2011-08-26
14:30
Hokkaido   Distributed vibration ditection with very high sensitivity using coherent OTDR
Yuta Iitsuka, Akio Togo, Hisashi Izumita, Yahei Koyamada (Ibaraki Univ.) OFT2011-26
This paper presents some experimental results on the distributed vibration detection along a fiber based on the Rayleigh... [more] OFT2011-26
pp.49-52
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