| Presentation | 2008-11-21 Study on Measurement Technique for Raman Gain Efficiency Distribution Based on Bidirectional OTDR without Pump Light Kyoichi ORO, Ikuo YAMASHITA, Yasuhiro TSUTSUMI, Tetsuro YABU, Masaharu OHASHI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | An indirect measurement technique for Raman gain efficiency distribution along the transmission line based on the OTDR is proposed. Our proposed technique is a novel and simple technique for estimating Raman gain efficiency distribution by utilizing the relationship between Raman gain coefficient and relative-index difference for the GeO_2-doped core fibers. Measurement experiments of Raman gain efficiency are made on the optical transmission line composed of four 3-km long single-mode fibers and our present technique is compared with the technique using a pump light. Furthermore, our technique is applied to the optical fiber cables installed in the field, and their Raman gain efficiency distributions are successfully estimated |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Raman gain efficiency / Longitudinal measurement / OTDR / Multi connection fiber / Measuring method |
| Paper # | OCS2008-99,OFT2008-64 |
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| Conference Information | |
| Committee | OFT |
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| Conference Date | 2008/11/13(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Optical Fiber Technology (OFT) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Measurement Technique for Raman Gain Efficiency Distribution Based on Bidirectional OTDR without Pump Light |
| Sub Title (in English) | |
| Keyword(1) | Raman gain efficiency |
| Keyword(2) | Longitudinal measurement |
| Keyword(3) | OTDR |
| Keyword(4) | Multi connection fiber |
| Keyword(5) | Measuring method |
| 1st Author's Name | Kyoichi ORO |
| 1st Author's Affiliation | Power Engineering R & D Center, Kansai Electric Power Co., INC.() |
| 2nd Author's Name | Ikuo YAMASHITA |
| 2nd Author's Affiliation | Power Engineering R & D Center, Kansai Electric Power Co., INC. |
| 3rd Author's Name | Yasuhiro TSUTSUMI |
| 3rd Author's Affiliation | Graduate School of Engineering, Osaka Prefecture University |
| 4th Author's Name | Tetsuro YABU |
| 4th Author's Affiliation | Graduate School of Engineering, Osaka Prefecture University |
| 5th Author's Name | Masaharu OHASHI |
| 5th Author's Affiliation | Graduate School of Engineering, Osaka Prefecture University |
| Date | 2008-11-21 |
| Paper # | OCS2008-99,OFT2008-64 |
| Volume (vol) | vol.108 |
| Number (no) | 310 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |