Search Results - "Hotate, Kazuo"
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Brillouin Optical Correlation-Domain Technologies Based on Synthesis of Optical Coherence Function as Fiber Optic Nerve Systems for Structural Health Monitoring
Published in Applied sciences (01-01-2019)“…Brillouin optical correlation-domain technologies are reviewed as “fiber optic nerve systems” for the health monitoring of large structures such as buildings,…”
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2
Computed tomography for distributed Brillouin sensing
Published in Optics express (25-10-2021)“…A method to reconstruct the spatial distribution of Brillouin gain spectrum from its Radon transform is proposed, which is a type of optical computed…”
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3
Complete discrimination of strain and temperature using Brillouin frequency shift and birefringence in a polarization-maintaining fiber
Published in Optics express (02-02-2009)“…This paper presents a novel method that realizes simultaneous and completely discriminative measurement of strain and temperature using one piece of Panda-type…”
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4
Proposal of Brillouin optical correlation-domain reflectometry (BOCDR)
Published in Optics express (04-08-2008)“…We propose a Brillouin optical correlation-domain reflectometry (BOCDR), which can measure the distribution of strain and/or temperature along an optical fiber…”
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5
Analysis of Brillouin dynamic grating localized by intensity-modulated correlation-domain technique for distributed fiber sensing
Published in Optics express (02-03-2020)“…We numerically analyzed reflection spectrum of Brillouin dynamic grating localized by intensity-modulated correlation-domain technique. Furthermore, based on…”
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6
Applications of Brillouin Dynamic Grating to Distributed Fiber Sensors
Published in Journal of lightwave technology (15-08-2017)“…In the process of stimulated Brillouin scattering (SBS), acoustic waves are generated by the interference of counterpropagating optical waves via…”
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7
Demonstration of Brillouin Distributed Discrimination of Strain and Temperature Using a Polarization-Maintaining Optical Fiber
Published in IEEE photonics technology letters (15-04-2010)“…Distributed discrimination of strain and temperature is demonstrated by localizing both the stimulated Brillouin scattering (SBS) and the dynamic acoustic…”
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8
Distributed measurement of Brillouin dynamic grating spectrum localized by an intensity- modulated correlation-domain technique
Published in Optics express (06-07-2020)“…Higher spatial resolution of the reflection spectrum measurement of Brillouin dynamic grating (BDG) was achieved by controlling phonon power distribution. We…”
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Proposal and experimental verification of Bragg wavelength distribution measurement within a long-length FBG by synthesis of optical coherence function
Published in Optics express (26-05-2008)“…In this paper, a sensor system for measuring continuous Bragg wavelength distribution in a long-length fiber Bragg grating is newly proposed, using synthesis…”
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10
One-laser-based generation/detection of Brillouin dynamic grating and its application to distributed discrimination of strain and temperature
Published in Optics express (31-01-2011)“…This paper presents a novel scheme to generate and detect Brillouin dynamic grating in a polarization-maintaining optical fiber based on one laser source…”
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11
Fiber Sensor Technology Today
Published in Japanese Journal of Applied Physics (01-08-2006)Get full text
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12
Spatial Resolution Improvement in Correlation Domain Distributed Measurement of Brillouin Grating
Published in IEEE photonics technology letters (01-03-2014)“…We have demonstrated that intensity modulation enhances the spatial resolution in the distributed measurement of Brillouin dynamic grating (BDG) spectrum by…”
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13
Range Elongation of Distributed Discrimination of Strain and Temperature in Brillouin Optical Correlation-Domain Analysis Based on Dual Frequency Modulations
Published in IEEE sensors journal (01-01-2014)“…A scheme of dual frequency modulations are proposed for one-laser Brillouin optical correlation-domain distributed discrimination of strain and temperature. A…”
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14
Measurement Range Elongation Based on Temporal Gating in Brillouin Optical Correlation Domain Distributed Simultaneous Sensing of Strain and Temperature
Published in IEEE photonics technology letters (15-06-2012)“…We had earlier demonstrated the distributed discrimination of strain and temperature by localizing and scanning both the stimulated Brillouin scattering and…”
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15
Single-End-Access Correlation-Domain Distributed Fiber-Optic Sensor Based on Stimulated Brillouin Scattering
Published in Journal of lightwave technology (15-09-2010)“…We propose a single-end-access correlation-domain distributed fiber-optic sensor based on stimulated Brillouin scattering (SBS) in a polarization-maintaining…”
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16
Multiplexing of Long-Length Fiber Bragg Grating Distributed Sensors Based on Synthesis of Optical Coherence Function
Published in IEEE photonics technology letters (01-11-2011)“…Long-length fiber Bragg grating (FBG) distributed sensors are multiplexed, and measurement of Bragg wavelength distribution along the gratings are…”
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17
Gain-assisted superluminal propagation in tellurite glass fiber based on stimulated Brillouin scattering
Published in Optics express (07-01-2008)“…We demonstrate superluminal propagation of optical pulses with amplification in optical fibers based on stimulated Brillouin scattering. A triple gain peak…”
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18
Optimization of Brillouin optical correlation domain analysis system based on intensity modulation scheme
Published in Optics express (15-05-2006)“…We report a novel method to enhance the performance of Brillouin optical correlation domain analysis system based on the intensity modulation of light source…”
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19
High-reflectivity-resolution coherent optical frequency domain reflectometry using optical frequency comb source and tunable delay line
Published in Optics express (12-12-2011)“…We propose a high-reflectivity-resolution coherent optical frequency domain reflectometry (OFDR) with a novel scheme of delay shift averaging (DSAV) by using…”
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20
Effects of Intensity Modulation of Light Source on Brillouin Optical Correlation Domain Analysis
Published in Journal of lightwave technology (01-05-2007)“…The effects of the intensity modulation (IM) of light source on fiber-distributed sensors based on Brillouin optical correlation domain analysis (BOCDA) are…”
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