Mr. Chang-Hyun Jung Profile

Chang-Hyun Jung

General Manager at Taihan Fiberoptics Co Ltd

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Author

Publications (13)

Proceedings Article | 18 April 2021 Presentation + Paper

Novel fabrication technology for active gain fibers

Jaesun Kim, Gaye Park, Seongmin Ju, Jaewan Han, Chanho Hwang, Hyunjoo Kim, Hyeyeon Lee, Junho Lee, Byungjoo Kong, Changhyun Jung, Seunghyun Park

Proceedings Volume 11773, 117730K (2021) https://doi.org/10.1117/12.2593689

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Proceedings Article | 20 February 2020 Paper

Photosensitizing effect of Photolon using optical fiber probe to laser-irradiate thyroid cancer cells: oxidative stress-directed cell death

GaYe Park, Yun-Hee Rhee, HyeYeon Lee, Junho Lee, Hyunjoo Kim, ChangHyun Jung, Jaesun Kim, ChiHwan Ouh, Phil-Sang Chung

Proceedings Volume 11233, 112330L (2020) https://doi.org/10.1117/12.2545787

KEYWORDS: Photodynamic therapy, Cancer, Calcium, Cell death, Tumors, Oncology, Tissues, Optical fibers, Luminescence, Fiber lasers

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Proceedings Article | 7 March 2019 Presentation + Paper

VAD technology for laser fibers

Jaesun Kim, Hyungsu Cho, Gaye Park, Jaewan Han, Junho Lee, Daeyoung Kim, Chanho Hwang, Dae Seung Moon, Changhyun Jung, Chihwan Ouh

Proceedings Volume 10897, 108970G (2019) https://doi.org/10.1117/12.2509614

KEYWORDS: Doping, Laser applications, Silica, Ytterbium, Fiber lasers, Cladding, Absorption, Fabrication

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Proceedings Article | 27 February 2019 Paper

Fabrication and analysis of the fiber optic probe for tumor treatment using PDT

Gaye Park, HyeYeon Lee, Junho Lee, Derek Minwoo Jung, Chang Hyun Jung, Yun-Hee Rhee, Jaesun Kim, ChiHwan Ouh

Proceedings Volume 10872, 108720N (2019) https://doi.org/10.1117/12.2509019

KEYWORDS: Photodynamic therapy, Tumors, Optical fibers, Silica, Fiber optics, Fiber lasers

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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

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 | 14 February 2018 Presentation + Paper

Fabrication and analysis of cylindrical diffusing optical fiber probe for photodynamic therapy in cancer treatment

Gaye Park, HyeYeon Lee, HyungSu Cho, DaeYoung Kim, JaeWan Han, ChiHwan Ouh, ChangHyun Jung

Proceedings Volume 10488, 1048811 (2018) https://doi.org/10.1117/12.2289343

KEYWORDS: Optical fibers, Photodynamic therapy, Cancer, Oncology, Tissues, Endoscopy, Optics manufacturing, Laser processing, Chemical analysis, Pancreas

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Proceedings Article | 28 February 2017 Paper

Development of a cylindrical diffusing optical fiber probe for pancreatic cancer therapy

Sangyeob Lee, Gaye Park, Jihoon Park, Sungkon Yu, Myungjin Ha, Seulki Jang, Chihwan Ouh, Changhyun Jung, Byungjo Jung

Proceedings Volume 10058, 1005812 (2017) https://doi.org/10.1117/12.2249025

KEYWORDS: Optical fibers, Pancreas, Cancer, Photodynamic therapy, Diffusers, Tissue optics, Tissues, Glasses

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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 November 2008 Paper

Improvement of optical characteristics of holey fibers and their applications

Chang-Hyun Jung, Kyung-Goo Lee, Chi-Hwan Ouh, Ki-Sun Ryu, Hee-Jeon Kang, Sang-Bae Lee, Young-Geun Han

Proceedings Volume 7134, 713446 (2008) https://doi.org/10.1117/12.803409

KEYWORDS: Optical fibers, Wavelength division multiplexing, Photonic integrated circuits, Connectors, Optical components, Cladding, Single mode fibers, Optical filters, Fiber to the x, Germanium

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Proceedings Article | 7 February 2008 Paper

Curled optical patch cord for bending insensitive biomedical imaging endoscope

Chang-Seok Kim, Myung Yung Jeong, Chang-Hyun Jung, Chi-Hwan Ouh, Hee-Jeon Kang, Young-Geun Han

Proceedings Volume 6852, 68520H (2008) https://doi.org/10.1117/12.762623

KEYWORDS: Biomedical optics, Optical coherence tomography, Single mode fibers, Endoscopes, Optical fibers, Signal attenuation, Imaging systems, Endoscopy, Optical imaging, Cladding

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Proceedings Article | 28 November 2007 Paper

Bending insensitive optical curl cord patch cords based on Holey-fibers for FTTH

Chang-Hyun Jung, Chi-Hwan Ouh, Ki-Sun Ryu, Hee-Jeon Kang, Sang-Bae Lee, Young-Geon Han

Proceedings Volume 6834, 683405 (2007) https://doi.org/10.1117/12.746463

KEYWORDS: Optical fibers, Signal attenuation, Fiber to the x, Single mode fibers, Temperature metrology, Optical testing, Scanning electron microscopy, Optics manufacturing, Cladding, Etching

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Proceedings Article | 4 October 2006 Paper

Investigation on the reliability of holey fiber in telecommunication field application

Gil Hwan Kim, Hyung Su Cho, Young-Geun Han, Ju Han Lee, Sang Hyeok Kim, Sang Bae Lee, Kyung Sik Lee, Sung Won Lee, Sung Soon Choi, Chang Hyun Jung, Suk Soo Koo, Kyung-Goo Lee, Ho Young Park, Chi-Hwan Ouh, Ki-Sun Ryu, Hee-Jeon Kang

Proceedings Volume 6351, 635148 (2006) https://doi.org/10.1117/12.703233

KEYWORDS: Signal attenuation, Single mode fibers, Reliability, Optical fibers, Telecommunications, Structured optical fibers, Fiber to the x, Cladding, Ions, Optics manufacturing

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Showing 5 of 13 publications

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