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Research Objective (본 연구단의 연구목표)
Research Objective (본 연구단의 연구목표)
Advancing ultra-precision light source technology from IR to EUV regime using femtosecond pulse lasers, and interdisciplinary applications including high-precision optical metrology, nano/micro material processing/synthesis, precision spectroscopy, time/frequency standards, and future space missions.
The objective of our research is to exploit the newly emerging field of ultrafast optics so as to establish ultra-precision technologies that will enable nano-fabrication and metrology over extensive ranges as demanded in the next generation of precision engineering. To the end, a systematic approach will be pursued to generate noble coherent light sources covering the whole optical spectrum spanning from the THz wave to the EUV by making the most of femtosecond laser pulses. The study aiming to investigate ultrafast optics for improving the level of ultraprecision comprises a series of research subjects that are categorized into five groups as follows:
Developments of new ultrafast light sources
Ultrafast photonics for next-generation space missions
Ultrafast photonics for nano-manufacturing
Ultra-precision dimensional metrology
Ultrafast plasmonics and coherent EUV generation
These itemized R&D subjects are investigated individually in parallel with each other, with focus on creating their possible contributions for the advance of fundamental ultra-precision science and technology. And, at the same time, the achieved results of the subject will be synthesized and combined together to demonstrate their usefulness as basic core technologies enabling a wealth of industrial applications of ultra-precision.
KAIST Research-Vol.2(국문)_김영진_도약연구2_발췌.pdf페이지_ K-light Vol. 4 no. 3 (2021.07)-web ver_실험실_소개.pdfDetailed Research Subjects (세부 연구주제)
Detailed Research Subjects (세부 연구주제)
Development and stabilization of ultrafast light sources
High-precision surface metrology using femtosecond light pulses
High-precision time-of-flight (TOF) measurement using ultrafast light pulses
Precision spectroscopic LIDAR using two femtosecond lasers
Real-time absolute distance measurement by multiple wavelength referenced to the frequency comb
Long-term stable coherent EUV generation using high-power fiber femtosecond laser
High-power Yb-fiber femtosecond laser for non-thermal material processing
Coherent, efficient and compact EUV generation by plamonic field enhancement at metallic nano structures
Research Highlights (대표 연구실적)
Research Highlights (대표 연구실적)
N.D. Anh, B.J. Chun, S. Choi, D.-E. Kim, S. Kim and Young-Jin Kim* (corresponding author), "Plasmonic dynamics measured with frequency-comb-referenced phase spectroscopy," Nature Physics, 15, 132-137 (2019) [PDF DOWNLOAD]
H.J. Kang, J.-W. Yang, B.J. Chun, H. Jang, B. Kim, Young-Jin Kim* (corresponding author) and S.-W. Kim, "Free-space transfer of comb-rooted optical frequencies over an 18 km free-space link," Nature Communications, 10, 4438 (2019) [PDF DOWNLOAD]
X.T. Geng, B.J. Chun, J.H. Seo, K. Seo, H. Yoon, D.E. Kim, Young-Jin Kim* (corresponding author) and S. Kim, "Frequency comb transferred by surface plasmon resonance," Nature Communications, 7, 10685 (2016) [PDF DOWNLOAD]
S. Han, H. Kim, Y. W. Kim, Young-Jin Kim, S. Kim, I.-Y. Park and S.-W. Kim*, "High harmonic generation by field-enhanced femtosecond pulses in metal-sapphire nanostructure," Nature Communications, 7, 13105 (2016) [PDF DOWNLOAD]
J. Lee*, Young-Jin Kim* (equally contributed first author), K. Lee, S. Lee, and S.-W. Kim, “Time-of-flight measurement with femtosecond light pulses,” Nature Photonics, 4, 716-720 (2010) [PDF DOWNLOAD]
I.-Y. Park, S. Kim, J. Choi, D.-H. Lee, Young-Jin Kim, M. F. Kling, M. I. Stockman, and S.-W. Kim, “Plasmonic generation of ultrashort extreme-ultraviolet light pulses,” Nature Photonics, 5, 677-681 (2011) [PDF DOWNLOAD]
S. Kim, J. Jin, Young-Jin Kim, I.-Y. Park, Y. Kim, and S.-W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature, 453, 757-760 (2008) [PDF DOWNLOAD]
T.-S.D. Le, S. Park, J. An, P.S. Lee and Young-Jin Kim* (corresponding author), "Ultrafast laser pulses enable one-step graphene patterning on woods and leaves for green electronics," Advanced Functional Materials, 2019, 2902771 (2019) [PDF DOWNLOAD]
T.-S.D. Le, J. An, Y. Huang, Q. Vo, J. Boonruangkan, T. Tran, S.-W. Kim, G. Sun, and Young-Jin Kim* (corresponding author), "Untrasensitive anti-interference voice recognition by bio-inspired ski-attachable self-cleaning acoustic sensors," ACS Nano, 13, 13293-13303 (2019) [PDF DOWNLOAD]
S. Agarwala, G. L. Goh, L. D. T. Son, J. An, Z. K. Peh, W. Y. Yeong, and Young-Jin Kim* (corresponding author), "Wearable bandage-based strain sensor for home healthcare: combining 3D aerosol jet printing and laser sintering," ACS Sensors, 4, 218-226 (2018) [PDF DOWNLOAD]
S. Park, H. Lee, Young-Jin Kim* (corresponding author) and P. S. Lee and, "Fully laser-patterned stretchable micro-supercapacitors integrated with soft electronic circuit components," NPG Asia Materials, accepted for publication (2018) [PDF DOWNLOAD]
J. An, T.-S. Le, C. H. Lim, V.-T. Tran, Z. Zhan, Y. Gao, L. Zheng, G. Sun, and Y.-J. Kim* (corresponding author), "Single-step selective laser writing of flexible photodetectors for wearable optoelectronics," Advanced Science, 5, 1800496 (2018) [PDF DOWNLOAD]
J. An, T.-S.D. Le, Y. Huang, Z. Zhan, Y. Li, L. Zheng, W. Huang, G. Sun and Young-Jin Kim* (corresponding author), “All-graphene, flexible, and non-contact electronic skin,” ACS Applied Materials and Interfaces, 9, 44593-44601 (2017) [PDF DOWNLOAD]
Y. Gao, H. Lee, W. Xu, J. Jiao, C. Peng, D.-H. Kim, S.-W. Kim and Young-Jin Kim* (corresponding author), "Coherent power amplification of third-order harmonics at thin-layered upconversion nanoparticles," Scientific Reports, 9, 5904 (2019) [PDF DOWNLOAD]
H. Jang, B. S. Kim, B. J. Chun, H. J. Kang, Y.-S. Jang, Young-Jin Kim*, and S.-W. Kim* (corresponding author), "Comb-rooted multi-channel synthesis of ultra-narrow optical frequencies of few Hz linewidth," Scientific Reports, 9, 7652 (2019) [PDF DOWNLOAD]
H. Farrokhi, T.M. Rohith, J. Boonruangkan, S. Han, H. Kim, S.-W. Kim, and Young-Jin Kim* (corresponding author), "High-brightness laser imaging with tunable speckle reduction enabled by electroactive micro-optic diffusers," Scientific Reports, 7, 15318 (2017) [PDF DOWNLOAD]
J. An, Z. Zhan, G. Sun, H.K.S.V. Mohan, J. Zhou, Young-Jin Kim* (corresponding author) and L. Zheng, "Direct Preparation of Carbon Nanotube Intramolecular Junctions on Structured Substrates," Scientific Reports, 6, 38032 (2016) [PDF DOWNLOAD]
Y.-S. Jang, G. Wang, H.-J. Kang, B. J. Chun, Young-Jin Kim, and S.-W. Kim, "Comb-referenced laser distance interferometer for industrial nanotechnology," Scientific Reports, 6, 31770 (2016) [PDF DOWNLOAD]
P. Kim, M.S. Nguyen, O. Kwon, Young-Jin Kim, and Y.-J. Yoon, "Phase-dependent dynamic potential of magnetically coupled two-degree-of-freedom bistable energy harvester," Scientific Reports, 6, 34411 (2016) [PDF DOWNLOAD]
K. Lee, J. Lee, Y. Jang, S. Han, H. Jang, Young-Jin Kim, and S.-W. Kim, "Fourier-transform spectroscopy using an Er-doped fiber femtosecond laser by sweeping the pulse repetition rate," Scientific Reports, 5, 15726 (2015) [PDF DOWNLOAD]
J. Lee, K. Lee, Y. Jang, H. Jang, S. Han, S.-H. Lee, K.-I. Kang, C.-W. Lim, Young-Jin Kim* (corresponding author) and S.-W. Kim*, "Testing of a femtosecond pulse laser in outer space," Scientific Reports, 4, 5134 (2014) [PDF DOWNLOAD]
Research Funding (연구과제 현황)
Research Funding (연구과제 현황)
National Research Foundation (NRF) of Korea (한국연구재단): 중견연구자사업(개인), 국가과학자사업(개인), 기초연구실사업(집단)
KAIST: KAIST UP도약사업, KAIST 권오현 조교수 과제, KAIST End-Run 사업화 과제
Ministry of Agriculture, Food and Rural Affairs (농림축산식품부): 농업에너지 자립형산업모델 기술개발사업 - 목질계 바이오에너지 산업화 사업
Korea Forest Service (산림청): 산림과학기술 연구개발사업
Korea Institute of Machinery and Materials (KIMM) (한국기계연구원): 기능성 나노소자 제조공정 및 장비개발 - 나노기반 옴니텍스 제조기술 개발
SK Hynix: 펨토초 레이저 기반 다조화파 위상변조 검출을 이용한 나노구조 및 물성 계측기술 개발
INTEK-PLUS: 다파장 간섭계 기반 대면적 고단차 고속 3차원 형상 측정기술
SatReci: 인공위성 광통신 탑재체 소형화 모듈개발
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