Dr. WooJin Shin Profile

Dr. WooJin Shin

Head Research Scientist at Gwangju Institute of Science and Technology

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Author

Publications (14)

Proceedings Article | 27 February 2019 Paper

Coating geometry measurement of specialty fiber with dark-field illumination technique

Gaye Park, Junho Lee, Derek Minwoo Jung, Byung Joo Kong, Dae Seung Moon, Chang Hyun Jung, Woojin Shin, Jaesun Kim, Chihwan Ouh

Proceedings Volume 10914, 109141V (2019) https://doi.org/10.1117/12.2509502

KEYWORDS: Coating, Specialty optical fibers, Cladding, Fiber coatings, Refractive index, Fiber lasers, Prisms

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Proceedings Article | 26 February 2018 Paper

Nanosecond pulse generation from actively Q-switched thulium-doped fiber laser using a high-speed optical switch

Joonhoi Koo, Woojin Shin

Proceedings Volume 10512, 105122E (2018) https://doi.org/10.1117/12.2289247

KEYWORDS: Optical switching, Q switching, Switches, Fiber lasers, Q switched lasers, Mid-IR, Modulation, Q switches, Laser resonators, Modulators

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Proceedings Article | 26 February 2018 Paper

Leaky channel fiber design for large mode area high power application at 1 micron

Chang Hyun Jung, HyungSu Cho, JaeWan Han, Nandam Ashok, WooJin Shin, ChiHwan Ouh

Proceedings Volume 10512, 105122W (2018) https://doi.org/10.1117/12.2289856

KEYWORDS: Structured optical fibers, Dispersion, Germanium, Solids, Photonic crystal fibers, Fiber lasers, Structural design, High power fiber lasers, Single mode fibers, Wave propagation

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Proceedings Article | 23 April 2017 Paper

GeAsSe chalcogenide slot optical waveguide ring resonator for refractive index sensing

N. Ashok, Yeung Lak Lee, WooJin Shin

Proceedings Volume 10323, 103239G (2017) https://doi.org/10.1117/12.2267620

KEYWORDS: Silicon, Photonics, Germanium, Waveguides, Resonators, Sensors, Chalcogenides, Refractive index, Integrated optics, Finite-difference time-domain method

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Proceedings Article | 22 February 2017 Paper

Cladding pump light stripper study for high power fiber laser applications

Nandam Ashok, Seungryong Han, Yeung Lak Lee, WooJin Shin

Proceedings Volume 10085, 1008514 (2017) https://doi.org/10.1117/12.2250094

KEYWORDS: Cladding, Fiber amplifiers, Fiber lasers, Optical amplifiers, Optical fibers, Carbon dioxide lasers, Structured optical fibers, High power fiber lasers, Laser processing, Laser applications, Gas lasers, Carbon monoxide, Laser systems engineering, Polymers, Structural design, Refractive index, Laser ablation

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Proceedings Article | 22 February 2017 Paper

All normal dispersion fiber with large mode area at 2 micron wavelength

Changhyun Jung, Chihwan Ouh, Ashok Nandam, Seungryong Han, Woojin Shin

Proceedings Volume 10083, 1008316 (2017) https://doi.org/10.1117/12.2250761

KEYWORDS: Dispersion, Structured optical fibers, Structural design, Fiber lasers, Germanium, Rods, High power lasers, Reliability, Solitons, Modulation, Photonic crystal fibers, Refractive index, Cladding, Surgery, Finite-difference time-domain method

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Proceedings Article | 11 March 2016 Paper

A passively mode locked thulium doped fiber laser using bismuth telluride deposited multimode interference

M. Jung, J. Lee, W. Song, W. Shin

Proceedings Volume 9728, 972824 (2016) https://doi.org/10.1117/12.2214420

KEYWORDS: Mode locking, Fiber lasers, YAG lasers, Pulsed laser operation, Bismuth, Mid-IR, Brain-machine interfaces, Single mode fibers, Optical filters, Multimode fibers

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Proceedings Article | 23 February 2010 Paper

Calibration protocol for Fourier-domain OCT using optical fiber gratings

Tae Joong Eom, Bong-Ahn Yu, Woojin Shin, Yeung Lak Lee, Chang-Seok Kim, Yeh-Chan Ahn, Zhongping Chen

Proceedings Volume 7555, 75551M (2010) https://doi.org/10.1117/12.842905

KEYWORDS: Spectroscopy, Fiber Bragg gratings, Optical coherence tomography, Calibration, Charge-coupled devices, Diffraction gratings, Spectral resolution, Optical fibers, Reflectivity, Diffraction

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SPIE Journal Paper | 1 July 2008 Open Access

Quasi-holographic solution to polarization-sensitive optical coherence tomography acceptable to nonlaboratory applications

Vitali Tougbaev, Tae-Joong Eom, Bong-Ahn Yu, Yeung-Lak Lee, Woojin Shin, Sangyoun Gee, Do-Kyeong Ko, Jongmin Lee

JBO, Vol. 13, Issue 04, 044014, (July 2008) https://doi.org/10.1117/12.10.1117/1.2967996

KEYWORDS: Optical coherence tomography, Polarization, Interferometers, Collagen, Picosecond phenomena, Fringe analysis, Charge-coupled devices, Skin, Birefringence, Tumors

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Proceedings Article | 18 February 2008 Paper

Narrowband wavelength selective detector applicable SD-OCT based on Fabry-Perot tunable filter and balanced photoreceiver

Tae Joong Eom, Vitali Tougbaev, Bong-Ahn Yu, Woojin Shin, Yeung Lak Lee, Do-Kyeong Ko, Chang-Seok Kim, Eun Joo Jung, Jae Suk Park, Myung Yung Jeong, Eun Seo Choi

Proceedings Volume 6847, 68470R (2008) https://doi.org/10.1117/12.766436

KEYWORDS: Optical coherence tomography, Tunable filters, Sensors, Fabry–Perot interferometers, Interferometers, Imaging systems, Eye, Signal detection, Glasses, Cornea

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Proceedings Article | 12 February 2008 Paper

Multi-wavelength source for the lower exposure intensity of spectral OCT

Eun Joo Jung, Jae-Seok Park, Myung Yung Jeong, Chang-Seok Kim, Tae Joong Eom, Vitali Tougbaev, Bong-Ahn Yu, Woojin Shin, Do-Kyeong Ko, Ji-Hye Lee

Proceedings Volume 6849, 68490A (2008) https://doi.org/10.1117/12.762917

KEYWORDS: Optical coherence tomography, Light sources, Charge-coupled devices, Optical filters, Signal to noise ratio, Glasses, Point spread functions, Interferometers, Michelson interferometers, Mirrors

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Proceedings Article | 21 November 2007 Paper

The novel fiber devices with laser machining technique

Woojin Shin

Proceedings Volume 6781, 67810I (2007) https://doi.org/10.1117/12.743678

KEYWORDS: Diffraction, Diffraction gratings, Structured optical fibers, Fiber lasers, Coarse wavelength division multiplexing, Cladding, Single mode fibers, Gas lasers, Optical testing, Carbon monoxide

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Proceedings Article | 11 July 2007 Paper

Depth-resolved simplified characterization of collagen depletion in dermis with polarization sensitive optical coherence tomography applicable to non-laboratory conditions

Vitali Tougbaev, Tae Joong Eom, Woojin Shin, Yeung Lak Lee, Bong-Ahn Yu, Chul-Sik Kee, Do-Kyeong Ko, Jongmin Lee

Proceedings Volume 6627, 66271U (2007) https://doi.org/10.1117/12.728190

KEYWORDS: Collagen, Polarization, Optical coherence tomography, Skin, Optical fibers, Picosecond phenomena, Interferometers, Tumors, Birefringence, Fringe analysis

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Proceedings Article | 4 April 2005 Paper

Power budget analysis of short reach optical communications based on 4x4 polymer clad fiber splitter

Sangchul Bae, Yunsong Jeong, Woojin Shin, Kyunghwan Oh

Proceedings Volume 5724, (2005) https://doi.org/10.1117/12.590317

KEYWORDS: Optical communications, Polymer optical fibers, Polymers, Phase only filters, Single mode fibers, Eye, Local area networks, Silica, Transmitters, Receivers

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Showing 5 of 14 publications

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