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=============================================== Technical Committee on Optical Fiber Technology (OFT) Chair: Yuji Matsuura (Tohoku Univ.) Secretary: Shinichi Aozasa (NTT), Hiroyuki Morioka (Fujikura) Assistant: Yukihiro Goto (NTT), Minoru Takahashi (Fujikura) DATE: Thu, Oct 14, 2021 10:20 - 15:45 Fri, Oct 15, 2021 10:45 - 14:55 PLACE: TOPICS: ----- Break ( 10 min. ) ----- ---------------------------------------- Thu, Oct 14 AM (10:30 - 11:50) ---------------------------------------- (1) 10:30 - 11:50 [Poster Presentation] High-speed BOCDR with unlimited strain dynamic range Kazuya Kishizawa, Motoki Sano (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (2) 10:30 - 11:50 [Poster Presentation] Optimization of observing frequency for high-speed Raman-based temperature sensing Katsuichiro Nakazawa (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (3) 10:30 - 11:50 [Poster Presentation] World-fastest operation of OCDR without spatial resolution deterioration Tomoya Miyamae, Zhu Guangtao, Takaki Kiyozumi (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (4) 10:30 - 11:50 [Poster Presentation] Taper structure dependence of transmission loss of microfiber for measuring refractive index of aqueous solution Naoaki Abe, Mitsuru Kihara (OECU) (5) 10:30 - 11:50 [Poster Presentation] Real-time acquisition of Brillouin gain spectrum distribution in BOCDR using virtual oscilloscope Kohei Noda (Tokyo Tech/YNU), Kazuya Kishizawa (YNU), Heeyong Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (6) 10:30 - 11:50 [Poster Presentation] Attempt to optimize delay fiber length in BOCDR Mana Sakamoto, Haruki Sasage (SIT), Kohei Noda (Tokyo Tech/YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) (7) 10:30 - 11:50 [Poster Presentation] Mutual interference suppression for FMCW LiDAR Akifumi Soma, Shota Araishi, Sougo Shimizu, Chao Zhang, Fumihiko Ito (Shimane Univ.) (8) 10:30 - 11:50 [Poster Presentation] Fiber-optic strain vector detection using copolymer core doped with cyan dichroic dye Hayato Yamazaki (UEC), Kentaro Yano (Hayashibara Co., Ltd.), Rei Furukawa (UEC) (9) 10:30 - 11:50 [Poster Presentation] Amplitude responses characterization of hetero-core optical fiber accelerometer with fixed supports at both ends for low frequency vibration monitoring Miyuki Kadokura (Soka Univ.), Hiroshi Yamazaki (CSJ), Michiko Nishiyama, Kazuhiro Watanabe (Soka Univ.) (10) 10:30 - 11:50 [Poster Presentation] Fabrication and waveguide analysis of polymer optical fibers doped with phthalocyanine derivatives. Takahiro Shigeyama, Rei Furukawa (Univ. of Electro-Communications) (11) 10:30 - 11:50 [Poster Presentation] POF Alkane Gas Sensor by ESD Method using Carbon Black Naoki Yoda, Yutaka Suzuki, Masayuki Morisawa (Yamanashi Univ.) ----- Break ( 70 min. ) ----- ---------------------------------------- Thu, Oct 14 PM (13:00 - 14:20) ---------------------------------------- (12) 13:00 - 14:20 [Poster Presentation] Operation of ESA-free OCDR: simulation analysis and performance evaluation Guangtao Zhu, Tomoya Miyamae (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (13) 13:00 - 14:20 [Poster Presentation] Slope-assisted fiber-optic multimodal interference sensor for real-time temperature detection Motoki Sano (YNU), Kohei Noda (YNU/Tokyo Tech), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (14) 13:00 - 14:20 [Poster Presentation] Optical correlation-controlled LiDAR for high-speed vibration detection Takaki Kiyozumi, Tomoya Miyamae (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (15) 13:00 - 14:20 [Poster Presentation] Temperature sensing based on multimodal interference in multicore POF developed for image transmission Kanon Toda (YNU), Kohei Noda, Naoki Motoishi (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (16) 13:00 - 14:20 [Poster Presentation] Strain dynamic range extension in slope-assisted BOCDR based on down-conversion of Brillouin frequency shift Haruki Sasage, Mana Sakamoto (SIT), Kohei Noda (Tokyo Tech/YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) (17) 13:00 - 14:20 [Poster Presentation] Change in Sensitivity and Operating Range of POF Humidity Sensor by Adding Dye to the Cladding Yuto Hirai, Yutaka Suzuki, Masayuki Morisawa (Yamanashi Univ.) (18) 13:00 - 14:20 [Poster Presentation] Propagation Characteristics of NRZ-DPSK Signals in Optical Delay Line Based on Wavelength Conversion by FWM and Optical Path Difference Morito Okamoto, Mizuki Kobayashi, Naoto Kishi (Univ Electro Communications) (19) 13:00 - 14:20 [Poster Presentation] Partial-Mode-Excitation with Zero-Birefringence Polymer Optical Fiber Shingo Sode, Rei Furukawa (UEC) (20) 13:00 - 14:20 [Poster Presentation] Characteristics of hetero-core optical fiber humidity sensor with TiO2 nano-particles and hygroscopic polymer multilayer film against humidity during film deposition Koji Yuhashi, Jun-ichi Ida, Shoichi Kubodera, Kazuhiro Watanabe, Michiko Nishiyama (Soka Univ.) (21) 13:00 - 14:20 [Poster Presentation] Real-time laser displacement measurement system using intensity correlation with phase-modulated signal -- range extension by detecting phase sign changes -- Hiroto Shimpo, Tamaki Ideno, Yosuke Tanaka (Tokyo Univ. of Agri. and Tech.) ----- Break ( 10 min. ) ----- ---------------------------------------- Thu, Oct 14 PM (14:30 - 15:45) ---------------------------------------- (22) 14:30 - 14:55 A Consideration of Seismic Detection with Distributed Acoustic Sensor using Image Processing and Recognition Takahiro Arioka, Kentaro Nakamura (Tokyo Tech) (23) 14:55 - 15:20 Multipoint vibration sensing using low-reflective FBG-FPIs -- study of measurement speed -- Atsushi Wada, Koki Nakaya, Koken Fukushima, Satoshi Tanaka (NDA) (24) 15:20 - 15:45 [Invited Talk] Report on OFC2021 -- Optical fiber -- Yusuke Sasaki (Fujikura) ---------------------------------------- Fri, Oct 15 AM (10:45 - 12:00) ---------------------------------------- (25) 10:45 - 11:10 Mid-IR fiber optic sensing system based on fluoride fiber waveguide Kenji Goya (Akita Prefectural Univ.), Hiyori Uehara (NIFS), Yoshiaki Nishijima (Yokohama National Univ.), Shigeki Tokita (Osaka Univ.) (26) 11:10 - 11:35 Multimodal interference sensor with dynamically controllable active area Heeyoung Lee, Chenxu Zhao (SIT), Takaki Kiyozumi (YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) (27) 11:35 - 12:00 Impact of sideband-delay on Conjugated Radio-over-fiber system Takahide Sakamoto (TMU) ----- Break ( 60 min. ) ----- ---------------------------------------- Fri, Oct 15 PM (13:00 - 14:10) ---------------------------------------- (28) 13:00 - 13:40 [Tutorial Invited Lecture] Coherent optical communication technology and my research life Shiro Ryu (Meiji Univ.) (29) 13:40 - 14:10 [Invited Talk] Plastic optical fiber as an host of luminescent dopants -- A proposal for civil engineering field -- Rei Furukawa (UEC), Takafumi Sassa (RIKEN), Nobuko Fukuda (AIST) ----- Break ( 15 min. ) ----- ---------------------------------------- Fri, Oct 15 PM (14:25 - 14:55) ---------------------------------------- (30) 14:25 - 14:55 [Invited Talk] Fiber Optic Sensing in the well Yoshinori Itoh (GSC) ----- Break ( 5 min. ) ----- ----- ( 30 min. ) ----- # Information for speakers General Talk will have 20 minutes for presentation and 5 minutes for discussion. === Technical Committee on Optical Fiber Technology (OFT) === # FUTURE SCHEDULE: Thu, Nov 18, 2021 - Fri, Nov 19, 2021: Online [Wed, Sep 8] Thu, Jan 20, 2022 - Fri, Jan 21, 2022: Online [Fri, Nov 5] # SECRETARY: Minoru Takahashi (Fujikura) TEL +81-43-484-3945, FAX +81-43-484-3997 E-mail:               # ANNOUNCEMENT: # ＵＲＬ of ＯＦＴ is：http://www.ieice.org/cs/oft/jpn/english.html Last modified: 2021-09-27 18:48:31 |
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