Dr. Hideaki Murayama Profile

Dr. Hideaki Murayama

Associate Professor at Univ of Tokyo

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Author

Publications (22)

Proceedings Article | 23 April 2017 Paper

Simultaneous measurement of dynamic strain and temperature distribution using high birefringence PANDA fiber Bragg grating

Mengshi Zhu, Hideaki Murayama

Proceedings Volume 10323, 103237Q (2017) https://doi.org/10.1117/12.2265329

KEYWORDS: Reflectors, Signal detection, Interferometers, Temperature metrology, Fiber Bragg gratings, Sensors, Birefringence, Fiber optics sensors, Spatial resolution, Structural health monitoring

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Proceedings Article | 2 June 2014 Paper

Dynamic measurement of inside strain distributions in adhesively bonded joints by embedded fiber Bragg grating sensor

Hideaki Murayama, Xiaoguang Ning, Kazuro Kageyama, Daichi Wada, Hirotaka Igawa

Proceedings Volume 9157, 9157A0 (2014) https://doi.org/10.1117/12.2059503

KEYWORDS: Fiber Bragg gratings, Adhesives, Sensors, Sensing systems, Spatial resolution, Carbon, Fiber optics sensors, Reflectometry, Structural health monitoring, Aerospace engineering

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Proceedings Article | 2 June 2014 Paper

Detection of local birefringence in embedded fiber Bragg grating caused by concentrated transverse load using optical frequency domain reflectometry

D. Wada, H. Murayama, H. Igawa

Proceedings Volume 9157, 91576E (2014) https://doi.org/10.1117/12.2059413

KEYWORDS: Fiber Bragg gratings, Birefringence, Finite element methods, Polarization, Reflectometry, Optical fibers, Carbon, Structural health monitoring, Sensors, Composites

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Proceedings Article | 17 October 2012 Paper

Distributed strain and load monitoring of 6 m composite wing structure by FBG arrays and long-length FBGs

Hideaki Murayama, Kazuki Tachibana, Yoshiyasu Hirano, Hirotaka Igawa, Kazuro Kageyama, Kiyoshi Uzawa, Toshiya Nakamura

Proceedings Volume 8421, 84212D (2012) https://doi.org/10.1117/12.970292

KEYWORDS: Fiber Bragg gratings, Composites, Skin, Sensors, Sensing systems, Fiber optics sensors, Fiber optics, Structural health monitoring, Carbon, Reflectometry

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Proceedings Article | 17 October 2012 Paper

Distributed monitoring of fiber Bragg gratings under local lateral loads using optical frequency domain reflectometry

Daichi Wada, Hideaki Murayama, Hirotaka Igawa

Proceedings Volume 8421, 84213X (2012) https://doi.org/10.1117/12.968197

KEYWORDS: Fiber Bragg gratings, Reflectometry, Finite element methods, Optical fibers, Birefringence, Polarization, Interferometers, Sensing systems, Optical coatings, Aerospace engineering

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Proceedings Article | 3 April 2012 Paper

Measurement of longitudinal strain and estimation of peel stress in adhesive-bonded single-lap joint of CFRP adherend using embedded FBG sensor

X. Ning, H. Murayama, K. Kageyama, K. Uzawa, D. Wada

Proceedings Volume 8345, 83451I (2012) https://doi.org/10.1117/12.917431

KEYWORDS: Fiber Bragg gratings, Sensors, Adhesives, Sensing systems, Signal detection, Finite element methods, Birefringence, Manufacturing, Reflectors, Spatial resolution

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Proceedings Article | 18 May 2011 Paper

Application of simultaneous strain and temperature measurement technique using polarization maintaining fiber Bragg grating for distributed sensing based on OFDR

Daichi Wada, Hideaki Murayama, Hirotaka Igawa, Koji Omichi, Kazuro Kageyama

Proceedings Volume 7753, 77537H (2011) https://doi.org/10.1117/12.885977

KEYWORDS: Temperature metrology, Fiber Bragg gratings, Sensing systems, Fiber optics sensors, Sensors, Reflectometry, Spatial resolution, Polarization maintaining fibers, Transmission electron microscopy, Fiber optics

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Proceedings Article | 17 May 2011 Paper

Distributed sensing with OFDR and its application to structural health monitoring

Hideaki Murayama, Hirotaka Igawa, Koji Omichi, Yuichi Machijima

Proceedings Volume 7753, 775305 (2011) https://doi.org/10.1117/12.886028

KEYWORDS: Fiber Bragg gratings, Structural health monitoring, Sensing systems, Fiber optics sensors, Sensors, Spatial resolution, Fiber optics, Composites, Adhesives, Reflectometry

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Proceedings Article | 21 October 2009 Paper

Distributed fiber-optic sensing system with OFDR and its applications to structural health monitoring

H. Murayama, K. Kageyama, K. Uzawa, H. Igawa, K. Omichi, Y. Machijima

Proceedings Volume 7493, 74930E (2009) https://doi.org/10.1117/12.840397

KEYWORDS: Fiber Bragg gratings, Sensors, Adhesives, Skin, Fiber optics sensors, Sensing systems, Structural health monitoring, Composites, Spatial resolution, Fiber optics

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Proceedings Article | 5 October 2009 Paper

Measurement of distributed strain and load identification using 1500 mm gauge length FBG and optical frequency domain reflectometry

Hirotaka Igawa, Hideaki Murayama, Toshiya Nakamura, Isao Yamaguchi, Kazuro Kageyama, Kiyoshi Uzawa, Daichi Wada, Isamu Ohsawa, Makoto Kanai, Koji Omichi

Proceedings Volume 7503, 75035I (2009) https://doi.org/10.1117/12.834236

KEYWORDS: Fiber Bragg gratings, Sensors, Reflectometry, Spatial resolution, Fiber optics sensors, Interferometers, Structural health monitoring, Tunable lasers, Fiber optics, Reflectors

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Proceedings Article | 5 October 2009 Paper

Simultaneous measurement of strain and temperature by means of polarization division multiplexing optical frequency domain reflectometry

Koji Omichi, Yoshihiro Terada, Akira Sakamoto, Shunichiro Hirafune, Daichi Wada, Hideaki Murayama, Hirotaka Igawa

Proceedings Volume 7503, 75036C (2009) https://doi.org/10.1117/12.834233

KEYWORDS: Temperature metrology, Polarization, Multiplexing, Reflectometry, Birefringence, Fiber Bragg gratings, Polarization maintaining fibers, Interferometers, Fusion splicing, Light wave propagation

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Proceedings Article | 16 May 2008 Paper

Process/health monitoring for wind turbine blade by using FBG sensors with multiplexing techniques

S. H. Eum, K. Kageyama, H. Murayama, K. Uzawa, I. Ohsawa, M. Kanai, H. Igawa

Proceedings Volume 7004, 70045B (2008) https://doi.org/10.1117/12.786240

KEYWORDS: Fiber Bragg gratings, Sensors, Sensing systems, Wavelength division multiplexing, Multiplexing, Manufacturing, Structural health monitoring, Composites, Optics manufacturing, Wind turbine technology

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Proceedings Article | 16 May 2008 Paper

Biaxial measurement of optical frequency domain reflectometry using polarization maintaining fiber Bragg grating

Koji Omichi, Akira Sakamoto, Shunichiro Hirafune, Tetsuya Sakai, Hideaki Murayama, Hirotaka Igawa

Proceedings Volume 7004, 70042A (2008) https://doi.org/10.1117/12.785953

KEYWORDS: Fiber Bragg gratings, Polarization maintaining fibers, Optical testing, Polarization, Lithium, Refractive index, Reflectometry, Fusion splicing, Sensors, Spatial resolution

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Proceedings Article | 16 May 2008 Paper

Distributed strain measurement of welded tubular joint with long gauge FBG

H. Murayama, K. Kageyama, K. Ohara, K. Uzawa, M. Kanai, H. Igawa

Proceedings Volume 7004, 700452 (2008) https://doi.org/10.1117/12.786182

KEYWORDS: Fiber Bragg gratings, Sensors, Spatial resolution, Interferometers, Computed tomography, Acoustic emission, Tomography, Fiber optics sensors, Tunable lasers, Computing systems

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Proceedings Article | 20 April 2007 Paper

Resin flow monitoring in vacuum-assisted resin transfer molding using optical fiber distributed sensor

Soohyun Eum, Kazuro Kageyama, Hideaki Murayama, Isamu Ohsawa, Kiyoshi Uzawa, Makoto Kanai, Hirotaka Igawa

Proceedings Volume 6526, 65262T (2007) https://doi.org/10.1117/12.715339

KEYWORDS: Fiber Bragg gratings, Silicon, Sensors, Composites, Optical fibers, Video, Cameras, Fiber optics sensors, Sensing systems, Signal processing

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Proceedings Article | 19 April 2007 Paper

Possibility of electrical discharge pulse sound for hammering test

Yoshiaki Akematsu, Kazuro Kageyama, Naotake Mohri, Hideaki Murayama, Makoto Kanai

Proceedings Volume 6531, 65310A (2007) https://doi.org/10.1117/12.712481

KEYWORDS: Sensors, Fiber optics sensors, Optical fibers, Aluminum, Finite element methods, Wave propagation, Signal detection, Numerical analysis, Inspection, Optical testing

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Proceedings Article | 16 March 2006 Paper

Detection of acoustic emission wave by using optical fiber sensor during single pulse discharge

Yoshiaki Akematsu, Kazuro Kageyama, Naotake Mohri, Hideaki Murayama, Masako Matsuo

Proceedings Volume 6179, 61790O (2006) https://doi.org/10.1117/12.657550

KEYWORDS: Fiber optics sensors, Signal detection, Sensors, Wave plates, Wave propagation, Finite element methods, Ferroelectric materials, Aluminum, Acoustic emission, Electromagnetism

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Proceedings Article | 23 May 2005 Paper

Acoustic emission and elastic wave measurements by using a new fiber-optic (DEFEW) sensor

K. Kageyama, H. Murayama, Isamu Ohsawa, K. Uzawa, Makoto Kanai, Y. Akematsu, M. Matsuo, T. Matsuo

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623601

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Signal detection, Doppler effect, Ferroelectric materials, Carbon, Waveguides, Fiber optics tests, Acoustic emission

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Proceedings Article | 23 May 2005 Paper

Improvement of spatial resolution for strain measurements by analyzing Brillouin gain spectrum

H. Murayama, K. Kageyama, A. Shimada, A. Nishiyama

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624254

KEYWORDS: Spatial resolution, Sensing systems, Optical fibers, Structural health monitoring, Fiber optics sensors, Reflectometry, Fiber optics, Sensors, Fiber optics tests, Composites

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Proceedings Article | 23 May 2005 Paper

Measurements of strain distributions with a long gauge FBG sensor using optical frequency domain reflectometry

H. Igawa, H. Murayama, T. Kasai, I. Yamaguchi, K. Kageyama, K. Ohta

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624250

KEYWORDS: Fiber Bragg gratings, Sensors, Reflectometry, Signal processing, Interferometers, Sensing systems, Finite element methods, Spatial resolution, Tunable lasers, Information visualization

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Proceedings Article | 12 June 2000 Paper

Development of integrated damage detection system for international America's Cup class yacht structures using a fiber optic distributed sensor

Shimada Akiyoshi, Hiroshi Naruse, Kyoshi Uzawa, Hideaki Murayama, Kazuro Kageyama

Proceedings Volume 3986, (2000) https://doi.org/10.1117/12.388121

KEYWORDS: Fiber optics sensors, Optical fibers, Sensors, Coating, Skin, Glasses, Fiber optics, Damage detection, Scattering, System integration

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Proceedings Article | 12 June 2000 Paper

Structural health monitoring of IACC yachts using fiber optic distributed strain sensors: a technical challenge for America's Cup 2000

Hideaki Murayama, Kazuro Kageyama, Isao Kimpara, Shimada Akiyoshi, Hiroshi Naruse

Proceedings Volume 3986, (2000) https://doi.org/10.1117/12.388120

KEYWORDS: Fiber optics sensors, Sensors, Structural health monitoring, Fiber optics, Data processing, Temperature metrology, Structural design, Optical fibers, Spatial resolution, Aluminum

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Showing 5 of 22 publications

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