10 citations · 25 across the 13 of their papers we have counts for
14 papers
Extension of measurement range in OCDR based on double-modulation scheme
Mana Sakamoto, Tomoya Miyamae, Kohei Noda +3
We extend the measurement range of optical correlation-domain reflectometry (OCDR) by modulating the laser output frequency at two frequencies, while preserving spatial resolution.…
Fiber-optic temperature sensing probe using low-coherence light source
Kanon Toda, Kenta Otsubo, Kohei Noda +3
We present a new approach for measuring fiber tip temperature using low-coherence Brillouin optical correlation-domain reflectometry, which eliminates the need for an independent r…
Investigation of guidelines for improving spatial resolution in direct-modulation BOCDR
Seiga Ochi, Kouta Ozaki, Kohei Noda +3
The spatial resolution of direct-modulation Brillouin optical correlation-domain reflectometry is studied with respect to modulation amplitude and frequency. Results suggest that o…
High-resolution low-coherence Brillouin optical correlation-domain reflectometry with suppressed systematic error
Kenta Otsubo, Takaki Kiyozumi, Kohei Noda +3
We show that the systematic error unique to Brillouin optical correlation-domain reflectometry (BOCDR) can be effectively suppressed by use of low-coherence light, and demonstrate…
Observation of Rayleigh scattering by simplified optical correlation-domain reflectometry without frequency shifter
Tomoya Miyamae, Zhu Guangtao, Takaki Kiyozumi +4
We present a method for measuring the transmission loss of an optical fiber using simplified optical correlation-domain reflectometry. By intentionally lowering the spatial resolut…
High-speed high-resolution optical correlation-domain reflectometry without using electrical spectrum analyzer
Guangtao Zhu, Tomoya Miyamae, Kohei Noda +3
We propose a newly configured optical correlation-domain reflectometry (OCDR) without the use of an electrical spectrum analyzer (ESA) for high-speed distributed reflectivity measu…
Fiber-optic multimode interference sensing: comprehensive characterization and its potential for strain-insensitive temperature sensing
Kun Wang, Yosuke Mizuno, Xingchen Dong +5
A strain-insensitive temperature sensor based on multimode interference using standard multimode fibers (MMFs) is proposed according to the comprehensive study of the characteristi…
Fiber-optic cascaded forward Brillouin scattering seeded by backward stimulated Brillouin scattering: conceptual proposal and experimental validation
Neisei Hayashi, Yosuke Mizuno, Kentaro Nakamura +2
We propose a method for generating cascaded forward Brillouin scattering (CFBS), based on a counter-propagated pump-probe technique, utilizing backward stimulated Brillouin scatter…
High-speed optical correlation-domain reflectometry without using acousto-optic modulator
Makoto Shizuka, Shumpei Shimada, Neisei Hayashi +2
To achieve a distributed reflectivity measurement along an optical fiber, we develop a simplified cost-effective configuration of optical correlation- (or coherence-) domain reflec…
Alternative implementation of simplified Brillouin optical correlation-domain reflectometry
Neisei Hayashi, Yosuke Mizuno, Kentaro Nakamura
We developed an alternative configuration of simplified Brillouin optical correlation-domain reflectometry, which can overcome the drawbacks of the original configuration. This sys…
Brillouin scattering in multi-core optical fibers
Yosuke Mizuno, Neisei Hayashi, Kentaro Nakamura
We measure the Brillouin gain spectra in two cores (the central core and one of the outer cores) of a ~3-m-long, silica-based, 7-core multi-core fiber (MCF) with incident light of…
Fiber-Optic Interferometry Using Narrowband Light Source and Electrical Spectrum Analyzer: Influence on Brillouin Measurement
Yosuke Mizuno, Neisei Hayashi, Kentaro Nakamura
We observe an interference pattern using a simple fiber-optic interferometer consisting of an electrical spectrum analyzer and a narrowband light source, which is commonly employed…
Simplified configuration of Brillouin optical correlation-domain reflectometry
Neisei Hayashi, Yosuke Mizuno, Kentaro Nakamura
We develop a simple and cost-efficient configuration of Brillouin optical correlation-domain reflectometry (BOCDR), the setup of which does not include an additional reference path…
Polymer optical fiber fuse
Yosuke Mizuno, Neisei Hayashi, Hiroki Tanaka +1
Although high-transmission-capacity optical fibers are in demand, the problem of the fiber fuse phenomenon needs to be resolved to prevent the destruction of fibers. As polymer opt…