| 2005-11 | A Novel Fabrication Method of Holey Fibers and Optical Properties | 김길환; 조형수; 한영근, et al |
| 2006-03 | A Novel Fabrication Method of Versatile Holey Fibers with Low Bending Loss and Their Optical Characteristics | 김길환; 한영근; 조형수, et al |
| 1997-05 | A study on tunable add/drop filter using fiber Bragg gratings | 박무윤; 박광로; 이경식, et al |
| 2005-11 | Bending Insensitive Holey Fibers for the FTTH | 김길환; 조형수; 한영근, et al |
| 2009-02 | Control of hollow-core photonic bandgap fiber ellipticity by induced lateral tension | 김길환; 조태용; 황규진, et al |
| 2009-03 | Experimental Characterization of Elliptical Hollow-Core Photonic Bandgap Fiber at Wavelengths within the Bandgap | 김길환; 조태용; 황규진, et al |
| 2010-09 | Experimental characterization of optical properties of an elliptical core photonic bandgap fibers with high birefringence | 김길환; 황규진; 이관일, et al |
| 2005-11 | Fabrication of a holey fiber with 6-layered air holes and its optical characteristics | 김길환; 조형수; 한영근, et al |
| 2006-11 | Fabrication of External Refractive Index Insensitive Long Period Grating Written in Holey Fiber and Optical Properties | 김길환; 한영근; 송수호, et al |
| 2009-05 | Fabrication of low OH loss holey fibers with varying air hole sizes and their optical properties | 한영근; 김길환; 이경식, et al |
| 2013-07 | Fabrication of Multi-core Fiber Coupler Based on 1X7 Power Splitters | 전병진; 이찬기; 이경식, et al |
| 2010-10 | Fiber Interferometers based on low loss fusion spliceing of Photonic Crystal Fibers | 안진수; 김길환; 이관일, et al |
| 2010-03 | Highly-Birefringent Tunable Long-Period Fiber Gratings in Hollow-Core Photonic Bandgap Fiber by Use of Mechanical Pressure | 김길환; 김선덕; 이관일, et al |
| 2009-10 | In-fiber Mach-Zehnder type interferometer in hollow-core photonic bandgap fiber | 김길환; 김선덕; 황규진, et al |
| 2006-09 | Investigation on the reliability of holey fiber in telecommunication field application | 김길환; 조형수; 한영근, et al |
| 2009-07 | Low Loss Fusion Splicing of Photonic Crystal Fiber and Single-Mode Fiber | 안진수; 박광노; 김길환, et al |
| 1998-01 | Magnetostriction measurement of melt-spun ribbons and thin films by fiber-optic interferometry | 김민형; 정규철; 윤형도, et al |
| 1999-01 | Magnetostriction measurements of metallic glass ribbon by fiber-optic Mach-Zehnder interferometry | 김민형; 이경식; 임상호 |
| 2009-12 | Mechanically induced Long Period Gratings and Polarization Dependent Property in Hollow-Core Photonic Bandgap Fiber | 김길환; 김선덕; 황규진, et al |
| 2009-03 | Novel fabrication process of controlling aspect ratio of the hollow core in photonic bandgap fibers | 김길환; 조태용; 황규진, et al |
| 2009-02 | Strain and temperature sensitivities of an elliptical hollow-core photonic bandgap fiber based on Sagnac interferometer | 김길환; 조태용; 황규진, et al |
| 2010-07 | Strain and Temperature Sensitivities of an Tapered Hollow-Core Photonic Bandgap Fiber Based on Interferometer | 김길환; 황규진; 이관일, et al |
| 2013-04-15 | 다중 코어 광섬유격자를 이용한 광소자 및 이를 이용한 광신호의 처리 방법 | 이경식; 이관일; 이상배 |
| 2013-01-31 | 다중 코어 광섬유를 이용한 광소자 및 이를 이용한 광신호의 분할 또는 결합 방법 | 이경식; 이관일; 이상배 |
| 2001-04-17 | 페룰릭산 이합체 및 그의 약학적 허용 염, 그 제조방법 및치매 치료를 위한 그의 용도 | 김동진; 신계정; 유재훈, et al |
