Dr. Kyihwan Park Profile

Dr. Kyihwan Park

Research Scientist at Gwangju Institute of Science and Technology

SPIE Involvement:

Author

Proceedings Article | 1 July 2015 Paper

Comparisons between co-axial and bi-axial optical systems for time-of-flight based laser scanners

Junhwan Jang, Sungui Hwang, Bumsik Won, Kyihwan Park

Proceedings Volume 9655, 965542 (2015) https://doi.org/10.1117/12.2184399

KEYWORDS: Laser scanners, Distance measurement, Signal detection, Sensors, Optical components, Modulation, Optical design, 3D scanning, Mirrors, 3D applications

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Proceedings Article | 1 July 2015 Paper

Modal analysis of rotating plate using tracking laser Doppler vibrometer: algorithm modification

Hossam Khalil, Dongkyu Kim, Joonsik Nam, Kyihwan Park

Proceedings Volume 9655, 965524 (2015) https://doi.org/10.1117/12.2184447

KEYWORDS: Detection and tracking algorithms, Computer programming, Digital signal processing, Modal analysis, Doppler effect, Mirrors, Laser Doppler velocimetry, Vibrometry, Signal processing, Laser applications

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Proceedings Article | 1 July 2015 Paper

Improvement in topology measurement accuracy of atomic force microscope using additional sensor

Yeomin Yoon, Jiseong Jeong, Junsup Kim, Kyihwan Park

Proceedings Volume 9655, 96550K (2015) https://doi.org/10.1117/12.2184430

KEYWORDS: Sensors, Ferroelectric materials, Scanners, Actuators, Optical sensors, Atomic force microscopy, Atomic force microscope, Image sensors, Optical testing, Laser scanners

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Proceedings Article | 22 June 2013 Paper

Unambiguous range extension of a phase-shift based lidar by using two laser diodes with different modulation frequencies

Junhwan Jang, S. Hwang, Kyihwan Park

Proceedings Volume 8769, 87693A (2013) https://doi.org/10.1117/12.2021259

KEYWORDS: Modulation, Frequency modulation, Phase shift keying, LIDAR, Distance measurement, Semiconductor lasers, Phase measurement, Switching, Interference (communication), Signal to noise ratio

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Proceedings Article | 22 June 2013 Paper

Auto gain tuning method for high performance of atomic force microscope

Jiseong Jeong, Junhyun Jo, Kyihwan Park

Proceedings Volume 8769, 87693I (2013) https://doi.org/10.1117/12.2021260

KEYWORDS: Atomic force microscopy, Atomic force microscope, Sensors, Environmental sensing, Actuators, Scanners, Error analysis, Feedback control, Optical sensors, Laser scanners

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Proceedings Article | 17 November 2008 Paper

A multiple phase demodulation method for high resolution of the laser range finder

Heesun Yoon, Jinpyo Hong, Seonggu Kang, Kyihwan Park

Proceedings Volume 7266, 72660N (2008) https://doi.org/10.1117/12.808017

KEYWORDS: Demodulation, Modulation, Phase shift keying, Laser range finders, Distance measurement, Interference (communication), Signal detection, Signal processing, Sensors, Semiconductor lasers

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Proceedings Article | 6 December 2005 Paper

3D shape measurement system using a gap control between the optical laser displacement sensor and object surface

Kyosoon Choi, Kyihwan Park

Proceedings Volume 6049, 60490S (2005) https://doi.org/10.1117/12.648808

KEYWORDS: Sensors, 3D metrology, Laser optics, Optical sensors, Control systems, Reflection, Computer programming, 3D acquisition, Semiconductor lasers, Error control coding

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Proceedings Article | 6 December 2005 Paper

Development of a laser range finder using a phase difference method

Heesun Yoon, Kyihwan Park

Proceedings Volume 6049, 60490R (2005) https://doi.org/10.1117/12.648820

KEYWORDS: Sensors, Signal detection, Signal processing, Modulation, Analog electronics, Laser range finders, Semiconductor lasers, Digital signal processing, Optical amplifiers, Phase shift keying

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SPIE Journal Paper | 1 June 2004

High-speed FM demodulator of a homodyne laser interferometer for measuring mechanical vibration

Jongpil La, Semyung Wang, Koungsuk Kim, Kyihwan Park

OE, Vol. 43, Issue 06, (June 2004) https://doi.org/10.1117/12.10.1117/1.1715097

KEYWORDS: Fermium, Frequency modulation, Interferometers, Demodulation, Homodyne detection, Sensors, Signal processing, Heterodyning, Signal generators, Optical engineering

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SPIE Journal Paper | 1 March 2003

Continuous scanning laser Doppler vibrometer for mode shape analysis

Jongpil La, Jieun Choi, Semyung Wang, Kyoungsuk Kim, Kyihwan Park

OE, Vol. 42, Issue 03, (March 2003) https://doi.org/10.1117/12.10.1117/1.1533794

KEYWORDS: Mirrors, Shape analysis, Sensors, Doppler effect, Laser Doppler velocimetry, Modulation, Bragg cells, Optical engineering, Finite element methods, Mach-Zehnder interferometers

Showing 5 of 10 publications

SPIE Conference Volume | 12 October 2006

Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems

Conference Committee Involvement (1)

Optomechatronic Sensors and Instrumentation II

3 October 2006 | Boston, Massachusetts, United States

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