Online edition: ISSN 2432-6380
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OFT2025-30
[Poster Presentation]
Proposal of slope-assisted BOCDR based on periodic pseudo-random modulation
Takumi Morikawa, Keita Kikuchi, Ryo Inoue (SIT), Yosuke Mizuno (YNU), Heeyoung Lee (SIT)
pp. 1 - 5
OFT2025-31
[Poster Presentation]
Comparison of POF-BOCDR operation using PC and APC connections
Shimbu Shirai (YNU), Yoshikazu Kobayashi, Osakazu Kimoto (AGC), Yosuke Mizuno (YNU)
pp. 6 - 11
OFT2025-32
[Poster Presentation]
Implementation of externally modulated BOCDR using SSB modulator
Ryuki Ohata, Kouta Ozaki (YNU), Keita Kikuchi, Heeyoung Lee (SIT), Yosuke Mizuno (YNU)
pp. 12 - 15
OFT2025-33
[Poster Presentation]
Development and Evaluation of a Hetero-core Optical Fiber NH3 Gas Sensor Using Indium Tin Oxide Nanoparticles and Bromocresol Purple
Toshiyuki Kawasaki, Yoichi Katsumata, Masahiko Kuroiwa, Michiko Nishiyama, Kazuhiro Watanabe, Junichi Ida (Soka Univ)
pp. 16 - 19
OFT2025-34
[Poster Presentation]
Dynamic displacement measurement using a fiber-optic interferometer with asymmetric triangular-wave phase modulation
-- Experimental investigation into the relationship between waveform symmetry and measurement error --
Kano Ito, Kai Asanuma, Sora Matsumoto, Yosuke Tanaka (TUAT)
pp. 20 - 21
OFT2025-35
[Poster Presentation]
A study on improving the performance of image monitoring system that operates by weak power-over-fiber
Riku Matsumoto, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Tomohiro Kawano, Hiroshi Watanabe, Takashi Matsui (NTT)
pp. 22 - 25
OFT2025-36
[Poster Presentation]
Polarization-Split Complex Vector Synthesis for Endless Spatial Optical Phase Modulation Using LCoS
Seitaro Tani, Shun Harada, Zheqing Sun, Takahide Sakamoto (Tokyo Metropolitan Univ.)
pp. 26 - 30
OFT2025-37
[Poster Presentation]
Shape Sensing with Indoor Optical Cable for Detecting Low Curvature
Shintaro Nakamoto (UTokyo), Nobutomo Hanzawa, Takashi Matsui, Kazuhide Nakajima (NTT), Hideaki Murayama (UTokyo)
pp. 31 - 35
OFT2025-38
[Poster Presentation]
Detection of compressive strain at fiber splices protected by heat-shrink sleeves using BOCDR
Ryo Inoue, Shuto Tsurugai, Keita Kikuchi (SIT), Yosuke Mizuno (YNU), Heeyoung Lee (SIT)
pp. 36 - 40
OFT2025-39
[Poster Presentation]
Proposal of correlation-dip-based OCDR
Haruyuki Kubota, Keisuke Motoda, Yosuke Mizuno (YNU)
pp. 41 - 46
OFT2025-40
[Poster Presentation]
Estimation of laser modulation amplitude in OCDR based on ghost-peak positions
Keisuke Motoda, Yosuke Mizuno (YNU)
pp. 47 - 50
OFT2025-41
Mid-infrared spectroscopic analysis of sake components using a fluoride fiber spectroscopic cell
Gakuto Ishida, Masaya Sugimoto (Akita Prefectural Univ.), Hiyori Uehara (NIFS), Shigeki Tokita (ICR, Kyoto Univ.), Yoshiaki Hishijima (Yokohama National Univ.), Tomomi Uehara (Akita Prefectural Food Research Center), Kenji Goya (Akita Prefectural Univ.)
pp. 51 - 54
OFT2025-42
[Poster Presentation]
Phase-shift pulse pump BOTDA using both Brillouin gain and loss spectra for high-spatial resolution and short measurement time
Shota Togashi, Takuma Serizawa (TUAT), Mohd Saiful Dzulkefly Zan (UKM), Yosuke Tanaka (TUAT)
pp. 55 - 58
OFT2025-43
[Poster Presentation]
Fundamental Study on Vibration Detection Sensitivity Characteristics of Single-End Vibration Sensor using Two-Mode Region of Single-Mode Fiber
Gaku Suzuki, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT)
pp. 59 - 62
OFT2025-44
[Poster Presentation]
Effect of Environmental Noise on a Bi-directional Mach-Zehnder Interferometric Optical Fiber Sensor Using Two-Wavelength CWDM Sources
Yukie Kanda, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT)
pp. 63 - 66
OFT2025-45
[Poster Presentation]
Reduction of required input signal light power in an erbium-doped fiber nonlinear transmission circuit technique with an amplification section
Yusuke Dokan, Kokoro Kitamura, Seiji Uchida, Hiroji Masuda (Shimane Univ.)
pp. 67 - 70
OFT2025-46
[Poster Presentation]
Numerical aperture dependence of strain and temperature characteristics of Brillouin frequency shift in optical fibers
Shu Iwasaki, Keita Kikuchi (SIT), Natsuho Yagishita, Shimbu Shirai, Yosuke Mizuno (YNU), Heeyoung Lee (SIT)
pp. 71 - 74
OFT2025-47
[Poster Presentation]
Demonstration of remote-head optical correlation-domain reflectometry via kilometer-scale fibers
Natsuho Yagishita, Yuta Higa, Keisuke Motoda, Yosuke Mizuno (YNU)
pp. 75 - 78
OFT2025-48
[Poster Presentation]
A study of LSPR sensor using silica-based single-mode optical waveguides
Riku Sato, Hosoki Ai (Akita Univ.), Takumi Usukura, Noritaka Matsubara, Ikuo Ota (Furukawa Electric), Hideki Kuramitz (Toyama Univ.)
pp. 79 - 80
OFT2025-49
[Poster Presentation]
Development and evaluation of Automatic alignment system for FBG fabrication by femtosecond laser point-by-point writing
Yuma Matsushita (Akita Prefectural Univ), Shigenori Itsuzaki, Masato Takaya, Akihiko Koyama (TATSUTA), Kenji Goya (Akita Prefectural Univ)
pp. 81 - 84
OFT2025-50
[Poster Presentation]
Reception Characteristics Improvement of Interference Wave Diversity Receiver for Data Transmission System Using Modulated Vibrations and Mach-Zehnder Type Optical Fiber Vibration Sensors
Yuki Okamoto, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT)
pp. 85 - 88
OFT2025-51
[Poster Presentation]
Fundamental Investigation of Abnormal Environmental Sound Detection in Communication Channels Using a Mach-Zehnder Interferometer
Yoshiki Kosaka, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT)
pp. 89 - 92
OFT2025-52
[Poster Presentation]
Long-range strain measurement using phase noise compensated OFDR with misalignment compensation process
Keigo Nakao, Sakuya Hara, Fumihiko Ito (Shimane Univ.), Chao Zhang (Kogakuin Univ.), Yuiti Yoshimura, Hiroyuki Aoshika, Michio Imai (Kajima Corporation)
pp. 93 - 98
OFT2025-53
[Poster Presentation]
Automatic measurement of optical comb spectra using a simple etalon and inverse matrix method
Takumi Kojima, Shun Harada, Takumi Hidaka, Takahide Sakamoto (Tokyo Metropolitan Univ.)
pp. 99 - 104
OFT2025-54
[Invited Talk]
Report on OFS-29
Yosuke Mizuno (YNU), Keita Kikuchi (SIT)
pp. 105 - 109
OFT2025-55
[Special Invited Talk]
Phase-Biased Sagnac Interferometric Detection of Airborne Audible Sound with 3×3 Fiber Coupler
Zijian Wang, Kentaro Nakamura (Science Tokyo)
pp. 110 - 113
OFT2025-56
[Special Invited Talk]
PDMS-Based Flexible Distributed Tactile Sensor in a Multi- Waveguide System Fabricated by the Mosquito Method
Yin Yuantian, Takaaki Ishigure (Keio Univ.)
pp. 114 - 117
OFT2025-57
[Special Invited Talk]
High accuracy OFDR system using phase integration coherence compensation method and its application to shape measurement
Akiko Tada, Masaru Koshihara, Takanori Saitoh (Anritsu)
pp. 118 - 123
OFT2025-58
[Invited Talk]
Fiber Fuse
-- Amazing Phenomenon having Stirred up Our Curiosity --
Shin-ichi Todoroki (NIMS)
pp. 124 - 129
OFT2025-59
The Analysis of the impact of chromatic dispersion on Frequency Scanning COTDR
Naoki Yamashiro, Yoshihiro Kanda, Kengo Koizumi, Hitoshi Murai (OKI)
pp. 130 - 133
OFT2025-60
Proposal of a method for extending the measurable strain range in OFDR
Riku Hiroto, Naoki Yamashiro, Kengo Koizumi, Yoshinori Kanda (OKI)
pp. 134 - 137
OFT2025-61
Highest-ever spatial resolution in BOCDR operating at modulation frequencies near Brillouin bandwidth
Keita Kikuchi (SIT), Ryuki Ohata (YNU), Kohei Noda (UTokyo), Ryo Inoue (SIT), Yosuke Mizuno (YNU), Heeyoung Lee (SIT)
pp. 138 - 143
OFT2025-62
45 km range distributed reflectivity sensing using periodic pseudo-randomly modulated OCDR
Yuta Higa (YNU), Takaki Kiyozumi (UTokyo), Keisuke Motoda (YNU), Takahiro Ishimaru, Hiroshi Takahashi, Kunihiro Toge (NTT), Yosuke Mizuno (YNU)
pp. 144 - 147
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.