Online edition: ISSN 2432-6380
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OFT2023-15
[Poster Presentation]
Electromagnetic field analysis of higher-order coupling modes in a coupled 3-core fiber
Kouta Miyama, Naoto Kishi (UEC)
pp. 1 - 4
OFT2023-16
[Poster Presentation]
Real time detection of liquid using hetero-core optical fiber
Kenta Suzuki, Shoichi Kubodera (Soka Univ.)
pp. 5 - 6
OFT2023-17
[Poster Presentation]
Application of distributed fiber-optic strain sensing to detection rock fracture
Tianjun Zhang, Makito Kobayashi (UTokyo), Takumi Nakashima, Kotaro Fujiwara, Michio Imai, Hideki Nagatani, Yasuyuki Miyajima, Junichi Kawabata (KAJIMA), Hideaki Murayama (UTokyo)
pp. 7 - 10
OFT2023-18
[Poster Presentation]
The effects of core-to-core distances of MCFs and spatial resolutions of DSSs on MCF shape sensing
Takafumi Ogura, Makito Kobayashi (UTokyo), Masaki Wada, Takashi Matsui, Kazuhide Nakajima (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Hideaki Murayama (UTokyo)
pp. 11 - 14
OFT2023-19
[Poster Presentation]
Error evaluation of slope-assisted BOTDA using virtually synthesized Brillouin gain spectrum
Daichi Sei, Hayato Nonogaki (TUAT), Mohd Saiful Dzulkefly Bin Zan (UKM), Yosuke Tanaka (TUAT)
pp. 15 - 18
OFT2023-20
[Poster Presentation]
Simplified temperature sensing probe based on BOCDR
Kanon Toda (YNU), Hiroshi Takahashi (YNU/NTT), Yusuke Koshikiya (NTT), Yosuke Mizuno (YNU)
pp. 19 - 22
OFT2023-21
[Poster Presentation]
Estimating spatial resolution in BOCDR using Rayleigh scattering
Keita Kikuchi, Ryo Inoue (SIT), Kouta Ozaki (YNU), Haruki Sasage (SIT), Yosuke Mizuno (YNU), Heeyoung Lee (SIT)
pp. 23 - 26
OFT2023-22
[Poster Presentation]
Study on improvement of temperature sensitivity characteristics of capillary capillary-encapsulated LPFG sensor using liquid filler with high thermo thermo-optic coefficient
Tsukasa Kanno, Kanami Ikeda, Osanori Koyama, Makoto Yamada (Osaka Metropolitan Univ.)
pp. 27 - 30
OFT2023-23
[Poster Presentation]
Detection of Airborne Ultrasound through Modulation of Refractive Index of Air using Sagnac Interferometer
Wang Zijian, Kentaro Nakamura (Tokyo Tech)
pp. 31 - 34
OFT2023-24
[Poster Presentation]
Distributed strain measurements of multi-core fiber ribbon
Shintaro Nakamoto, Takafumi Ogura (UTokyo), Masaki Wada, Takashi Matsui, Kazuhide Nakajima (NTT), Ryota Wada, Hideaki Murayama (UTokyo)
pp. 35 - 38
OFT2023-25
[Poster Presentation]
Judgement accuracy improvement of analysis area conformity searched coarsely for nonuniform strain measurement
Motoki nakagawa, Takaya Kurokawa, Shusuke Narieda, Hiroshi Naruse (Mie University)
pp. 39 - 42
OFT2023-26
[Poster Presentation]
Dependence on Soliton Amplitude of the Noise Reduction Effect by Soliton Control of Amplitude Multi Multi-Level Modulated Optical Signals
Kazuki Sakamoto, Hirokazu Kubota, Yuzi Miyoshi (Osaka Metropolitan Univ)
pp. 43 - 46
OFT2023-27
[Poster Presentation]
Residual Dispersion Dependence of Optical QPSK Signal Demodulation using a Parzen Window with Inter-Symbol Interference
Shoma Ito, Hirokazu Kubota, Yuji Miyoshi (Osaka Metropolitan Univ.)
pp. 47 - 50
OFT2023-28
[Poster Presentation]
Brillouin frequency shift measurement based on zero-crossing point search in virtually composed spectra of Brillouin gain and loss
Hayato Nonogaki, Daichi Sei (Tokyo Univ. of Agri. & Tech.), Mohd Saiful Dzulkefly Bin Zan (UKM), Yosuke Tanaka (Tokyo Univ. of Agri. & Tech.)
pp. 51 - 54
OFT2023-29
[Poster Presentation]
Return Loss Measurement of Silicone Fluids with a Wide Range of Refractive Indices Using an MT Connector Type Fiber Fabry-Perot Optical Sensor
Ryoki Soeda, Mitsuru Kihara (Osaka Electro-Communication Univ.)
pp. 55 - 58
OFT2023-30
[Poster Presentation]
Proposal of low-coherence BOCDR based on periodic noise modulation
Kenta Otsubo, Takaki Kiyozumi (YNU), Hiroshi Takahashi (YNU/NTT), Yusuke Koshikiya (NTT), Yosuke Mizuno (YNU)
pp. 59 - 62
OFT2023-31
[Poster Presentation]
Extension of measurement range in OCDR based on temporal gating scheme
Mana Sakamoto, Tomoya Miyamae (YNU), Kohei Noda (UTokyo), Heeyoung Lee (SIT), Yosuke Mizuno (YNU)
pp. 63 - 66
OFT2023-32
[Poster Presentation]
Investigation of wearable hetero-core fiber optic sensor for swallowing function assessment considering the elasticity influence of the sensing part
Nobuyuki Kakita, Miyuki Kadokura, Kazuhiro Watanabe, Michiko Nishiyama (Soka Univ.)
pp. 67 - 69
OFT2023-33
[Poster Presentation]
Evaluation of hetero-core fiber optic hydrogen sensor depending on the diameter of Pd nanoparticles
Yuna Nakamura, Kazuhiro Watanabe, Michiko Nishiyama (Soka Univ.)
pp. 70 - 72
OFT2023-34
[Poster Presentation]
Characterization of elastic thin tube in soft phantom by Photoacoustic Measurement
Kun Wang, Yuji Wada, Kentaro Nakamura (Tokyo Tech)
pp. 73 - 76
OFT2023-35
[Poster Presentation]
Optical variable delay line using wavelength conversion and path difference by spread spectrum
Hodaka Yanase, Morito Okamoto, Naoto Kishi (The Univ of Electro-Communications)
pp. 77 - 80
OFT2023-36
[Poster Presentation]
Evaluation of frequency response characteristics of hetero-core optical fiber accelerometer with curved beam by varying support distance
Atsuki Hirose, Miyuki Kadokura (Soka Univ.), Tokio Kasai (JAXA), Kazuhiro Watanabe, Michiko Nishiyama (Soka Univ.)
pp. 81 - 84
OFT2023-37
[Poster Presentation]
Comparative evaluation of cuffless blood pressure estimation using hetero-core fiber optic sensors at multiple measurement sites
Shunya Okuda (CIT), Kazuhiro Watanabe, Michiko Nishiyama (SOKA University), Yuya Koyama (CIT)
pp. 85 - 88
OFT2023-38
[Poster Presentation]
Proposal of differential spectrum scheme in Brillouin optical correlation-domain reflectometry
Ryo Inoue, Haruki Sasage, Yusei Shirai, Keita Kikuchi (SIT), Yosuke Mizuno (YNU), Heeyoung Lee (SIT)
pp. 89 - 92
OFT2023-39
[Poster Presentation]
Characterization of strain and temperature sensing properties of Brillouin scattering in ZBLAN fiber
Guangtao Zhu (YNU), Kenji Goya (APU), Kohei Noda (UTokyo), Heeyoung Lee (SIT), Yosuke Mizuno (YNU)
pp. 93 - 96
OFT2023-40
[Poster Presentation]
Simultaneous Measurement of Strain and Temperature Distribution Using Different Doped Fibers
-- Evaluating an Impact of Misaligned Measurement Positions of Wavelength Shift Data on Simultaneous Measurement --
Mami Uchida (UT), Shinsaku Hisada, Daichi Wada, Hirotaka Igawa (JAXA), Hideaki Murayama (UT)
pp. 97 - 100
OFT2023-41
[Poster Presentation]
Root Nyquist pulse generation using nonlinear optical effects and optical pulse power dependence
Hideto Isozaki, Yuji Miyoshi, Hirokazu Kubota, Shogo Miyashita (Osaka Metropolitan Univ.)
pp. 101 - 104
OFT2023-42
[Invited Talk]
Development of digital twin and application of fiber-optic sensors for structural monitoring
Hideaki Murayama (UTokyo)
pp. 105 - 106
OFT2023-43
[Invited Talk]
Performance Improvement of Phase-OTDR Distributed Acoustic Sensing based on Frequency Division Multiplexing for Optical Fiber Environmental Monitoring
Yoshifumi Wakisaka, Hiroshi Takahashi, Daisuke Iida, Takahiro Ishimaru, Yusuke Koshikiya (NTT)
pp. 107 - 110
OFT2023-44
Consideration of measurement ability improvement about broadband light probe BOTDA.
Takahiro Ishimaru, Yoshifumi Wakisaka, Hiroshi Takahashi, Yusuke Koshikiya (NTT)
pp. 111 - 114
OFT2023-45
Proposal of an optical input and output nonlinear circuit technique and investigation of the characteristics of improvements in the optical power resolution
Kokoro Kitamura, Md Golam Barkatul Abrar, Kunihiro Tanaka, Ryuga Harada, Hiroji Masuda (Shimane Univ.)
pp. 115 - 118
OFT2023-46
Design and applications of an amplified-spontaneous-emission feedback circuit technique
Hiroji Masuda, Kokoro Kitamura, Kunihiro Tanaka, Md Golam Barkatul Abrar, Ryuga Harada (Shimane Univ.)
pp. 119 - 122
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.