Prof. Kwang-Yong Song Profile

Prof. Kwang-Yong Song

Professor Physics at Chung-Ang Univ

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 23 April 2017 Paper

Brillouin optical time domain analysis enhanced by tailored pump compensation

Young Hoon Kim, Kwang Yong Song

Proceedings Volume 10323, 103239A (2017) https://doi.org/10.1117/12.2267533

KEYWORDS: Polarization, Wave propagation, Picosecond phenomena, Optical amplifiers, Signal attenuation, Signal detection, Fiber optics sensors, Modulation, Frequency modulation, Spatial resolution

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Proceedings Article | 23 April 2017 Paper

OTDR based on Brillouin dynamic grating in an e-core two-mode fiber for simultaneous measurement of strain and temperature distribution

Yong Hyun Kim, Kwang Yong Song

Proceedings Volume 10323, 103230S (2017) https://doi.org/10.1117/12.2267466

KEYWORDS: Temperature metrology, Scattering, Reflectometry, Acoustics, Birefringence, Polarization, Spatial resolution, Fiber Bragg gratings, Refractive index, Signal detection

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Proceedings Article | 23 April 2017 Paper

BOCDA system enhanced by concurrent interrogation of multiple correlation peaks with a 10-km sensing range

Gukbeen Ryu, Gyu-Tae Kim, Kwang Yong Song, Sang Bae Lee, Kwanil Lee

Proceedings Volume 10323, 1032369 (2017) https://doi.org/10.1117/12.2263416

KEYWORDS: Frequency modulation, Phase shift keying, Polarization, Time metrology, Modulators, Fiber optics sensors, Sensing systems, Spatial resolution, Modulation, Data processing

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Proceedings Article | 28 September 2015 Paper

Brillouin optical correlation domain analysis with more than 1 million effective sensing points

Kwang Yong Song, Yong Hyun Kim, Kwanil Lee

Proceedings Volume 9634, 96340I (2015) https://doi.org/10.1117/12.2194735

KEYWORDS: Modulation, Spatial resolution, Phase modulation, Sensing systems, Optical amplifiers, Sensors, Signal detection, Structured optical fibers, Single mode fibers, Interference (communication)

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Proceedings Article | 8 July 2015 Paper

Temperature and strain dependence of the Brillouin frequencies in tapered optical fibers

Kyu Hwang Jeong, Sang Bae Lee, Kwang Yong Song, Kwanil Lee

Proceedings Volume 9655, 96553X (2015) https://doi.org/10.1117/12.2185261

KEYWORDS: Spatial resolution, Temperature metrology, Tapered optical fibers, Refractive index, Acoustics, Modulation, Optical fibers, Single mode fibers, Fiber optics sensors, Structured optical fibers

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Proceedings Article | 1 July 2015 Paper

Characterization of temperature-dependent birefringence in polarization maintaining fibers based on Brillouin dynamic gratings

Yong Hyun Kim, Kwang Yong Song

Proceedings Volume 9655, 96553N (2015) https://doi.org/10.1117/12.2185008

KEYWORDS: Birefringence, Temperature metrology, Phase modulation, Polarization maintaining fibers, Cladding, Polarization, Photonic crystal fibers, Structured optical fibers, Acoustics, Spectrum analysis

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Proceedings Article | 2 June 2014 Paper

Simplified Brillouin optical time-domain analysis with extended measurement range by frequency dithering

Jun Gi Hong, Kwang Yong Song

Proceedings Volume 9157, 91576I (2014) https://doi.org/10.1117/12.2059457

KEYWORDS: Modulation, Spatial resolution, Semiconductor lasers, Rayleigh scattering, Data acquisition, Fiber Bragg gratings, Sensors, Resolution enhancement technologies, Light sources, Optical amplifiers

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Proceedings Article | 2 June 2014 Paper

Distributed measurement of intermodal beat length in an elliptic-core two-mode fiber by Brillouin dynamic grating

Yong Hyun Kim, Kwang Yong Song

Proceedings Volume 9157, 91573S (2014) https://doi.org/10.1117/12.2059454

KEYWORDS: Polarization, Optical amplifiers, Fiber Bragg gratings, Optical testing, Birefringence, Spatial resolution, Modulation, Refractive index, Microwave radiation, Single mode fibers

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Proceedings Article | 2 June 2014 Paper

High-performance in-line Brillouin optical correlation domain analysis

Ji Ho Jeong, Kwang Yong Song, Sang Bae Lee, Kwanil Lee

Proceedings Volume 9157, 91575X (2014) https://doi.org/10.1117/12.2059168

KEYWORDS: Phase modulation, Spatial resolution, Modulation, Signal detection, Scattering, Modulators, Single mode fibers, Sensors, Phase shift keying, Fiber optics sensors

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Proceedings Article | 7 November 2012 Paper

Resolution enhancement in Brillouin optical correlation domain analysis by differential lock-in detection

Ji Ho Jeong, Kwanil Lee, Kwang Yong Song, Je-Myung Jeong, Sang Bae Lee

Proceedings Volume 8421, 8421BB (2012) https://doi.org/10.1117/12.974973

KEYWORDS: Spatial resolution, Phase modulation, Modulation, Resolution enhancement technologies, Signal detection, Data acquisition, Fiber optics sensors, Signal processing, Modulators, Frequency modulation

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Proceedings Article | 17 October 2012 Paper

High sensitivity optical time-domain reflectometry based on Brillouin dynamic grating in polarization maintaining fiber

Kwang Yong Song, Hyuk Jin Yoon

Proceedings Volume 8421, 842126 (2012) https://doi.org/10.1117/12.975063

KEYWORDS: Reflectometry, Signal processing, Polarization maintaining fibers, Polarization, Spatial resolution, Data acquisition, Optical amplifiers, Fiber Bragg gratings, Structured optical fibers, Signal to noise ratio

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Proceedings Article | 19 May 2011 Paper

High-repetition-rate distributed Brillouin sensor by correlation domain analysis with differential frequency modulation

Kwang Yong Song, Masato Kishi, Zuyuan He, Kazuo Hotate

Proceedings Volume 7753, 7753A2 (2011) https://doi.org/10.1117/12.899284

KEYWORDS: Sensors, Modulation, Frequency modulation, Data acquisition, Optical fibers, Spatial resolution, Polarization, Optical amplifiers, Fiber optics sensors, Scattering

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Proceedings Article | 17 May 2011 Paper

Simplified Brillouin optical time-domain sensor based on direct modulation of a laser diode

Kwang-Yong Song, Sora Yang

Proceedings Volume 7753, 775321 (2011) https://doi.org/10.1117/12.885802

KEYWORDS: Modulation, Sensors, Semiconductor lasers, Optical fibers, Microwave radiation, Spatial resolution, Data acquisition, Fiber optics sensors, Electrooptic modulators, Boron

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Proceedings Article | 2 December 2009 Paper

Brillouin dynamic grating in optical fibers and its applications

Kwang-Yong Song

Proceedings Volume 7630, 763008 (2009) https://doi.org/10.1117/12.853099

KEYWORDS: Reflectivity, Optical amplifiers, Acoustics, Optical fibers, Sensors, Polarization, Temperature metrology, Scattering, Birefringence, Microwave radiation

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Proceedings Article | 14 October 2009 Paper

Time-domain distributed sensor with 1 cm spatial resolution based on Brillouin dynamic gratings

Kwang-Yong Song, Sanghoon Chin, Nikolay Primerov, Luc Thevenaz

Proceedings Volume 7503, 75037V (2009) https://doi.org/10.1117/12.848548

KEYWORDS: Spatial resolution, Sensors, Polarization, Optical amplifiers, Acoustics, Picosecond phenomena, Data acquisition, Pulse generators, Polarization maintaining fibers, Scattering

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Proceedings Article | 5 October 2009 Paper

Tunable optical delays based on Brillouin dynamic grating in a polarization maintaining fiber

Kwang-Yong Song, Kwanil Lee, Hyuk-Jin Yoon, Sang Bae Lee

Proceedings Volume 7503, 75037L (2009) https://doi.org/10.1117/12.835045

KEYWORDS: Reflectivity, Polarization maintaining fibers, Geometrical optics, Phased array optics, Optical amplifiers, Optical fibers, Acoustics, Scattering, Polarization

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Proceedings Article | 16 May 2008 Paper

All-optical dynamic grating generation based on Brillouin scattering in polarization maintaining fiber

Kwang-Yong Song, Kazuo Hotate

Proceedings Volume 7004, 70043T (2008) https://doi.org/10.1117/12.786181

KEYWORDS: Reflectivity, Acoustics, Polarization, Scattering, Polarization maintaining fibers, Optical amplifiers, Sensors, Spectrum analysis, Optical fibers, Laser scattering

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Proceedings Article | 16 May 2008 Paper

Correlation-based distributed measurement of SBS-generated dynamic grating spectrum in a polarization-maintaining fiber

Weiwen Zou, Zuyuan He, Kwang-Yong Song, Kazuo Hotate

Proceedings Volume 7004, 70046P (2008) https://doi.org/10.1117/12.801325

KEYWORDS: Modulation, Frequency modulation, Fermium, Spatial resolution, Polarization maintaining fibers, Light, Optical amplifiers, Laser sources, Polarizers, Data acquisition

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Proceedings Article | 18 October 2007 Paper

Distributed fiber strain sensor with 1 kHz sampling rate based on Brillouin optical correlation domain analysis

Kwang-Yong Song, Kazuo Hotate

Proceedings Volume 6770, 67700J (2007) https://doi.org/10.1117/12.734429

KEYWORDS: Modulation, Fiber optics sensors, Sensors, Spatial resolution, Amplitude modulation, Frequency modulation, Optical amplifiers, Single mode fibers, Semiconductor lasers, Sensing systems

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Proceedings Article | 20 October 2006 Paper

Optimization of Brillouin optical correlation domain analysis based on intensity modulation to enlarge the measurable strain limit

Kwang-Yong Song, Zuyuan He, Kazuo Hotate

Proceedings Volume 6371, 637103 (2006) https://doi.org/10.1117/12.685793

KEYWORDS: Signal to noise ratio, Modulation, Frequency modulation, Light sources, Fermium, Numerical simulations, Interference (communication), Fiber optics sensors, Convolution, Sensors

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Showing 5 of 20 publications

Conference Committee Involvement (2)

Advanced Sensor Systems and Applications XII

5 December 2022 | Online Only, China

Fifth Asia-Pacific Optical Sensors Conference

20 May 2015 | Jeju, Korea, Republic of

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