| |
10:20-10:30 |
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.) |
| |
11:50-13:00 |
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.) |
| |
14:20-14:30 |
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) |
| |
12:00-13:00 |
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) |
| |
14:10-14:25 |
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) |
| |
14:55-15:00 |
Break ( 5 min. ) |
| |
15:00-15:30 |
( 30 min. ) |
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