Harmonic wave generation by magnetic resonance mirror at optical frequencies광 주파수 영역에서 자기공명 격자거울의 조화파 발생

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Optical harmonic generations have promising applications such as optical computing, advanced lithography, imaging, sensing, and photon energy upconversion. To overcome the weak nonlinear coefficients of natural materials that limit the harmonic generation efficiency, nonlinear metamaterials of various designs have been studied. The artificial unit cells of subwavelength scale metaldielectric composites enable extraordinary control and local intensification of incident electromagnetic waves, which helps to increase the effective nonlinearity by orders of magnitude. In this study, patterned-mirror metasurfaces with magnetic resonances are suggested and investigated. Both random and regular patterns are considered to convert near-infrared light to visible light. These two categories of patterns have complementary properties in linear and nonlinear optics. Finite differential time domain (FDTD) simulation is used to design the structural parameters of the pattern and to characterize their optical properties. Fabrications of random and regular pattern are performed based on thermal annealing and capillary force lithography, respectively. Nonlinear optical characterization is conducted with a femto-second laser setup.
Advisors
Shin, Jonghwaresearcher신종화researcher
Description
한국과학기술원 :신소재공학과,
Publisher
한국과학기술원
Issue Date
2016
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 신소재공학과, 2016.2 ,[v, 54 p. :]

Keywords

metamaterial; harmonic generation; random array; patterned array; magnetic resonance pattern; 메타물질; 조화 발생; 무작위 배열; 정렬된 배열; 자기 공명 배열

URI
http://hdl.handle.net/10203/221586
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=649530&flag=dissertation
Appears in Collection
MS-Theses_Master(석사논문)
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