Extraordinary optical properties of a superconducting periodic multilayer in near-zero-permittivity operation range

Title
Extraordinary optical properties of a superconducting periodic multilayer in near-zero-permittivity operation range
Authors
Hwangbo, C.K.
Keywords
dielectric thin films, Fabry-Perot resonators, refractive index, superconducting thin films
Issue Date
2009-04
Publisher
AMER INST PHYSICS
Abstract
Optical properties in a one-dimensional periodic multilayer structure consisting of superconducting and dielectric films are rigorously studied. Due to the temperature- and wavelength-dependent refractive index in superconducting films, the design of multiple-resonance Fabry-Perot resonators can be achievable without physically introducing any defects to break the periodicity of the structure. These extraordinary optical properties, different from the regular all-dielectric Bragg reflectors, are mainly attributed to the operation in the near-zero-permittivity range of superconductors. Additionally, while the reflection bandwidth tends to enlarge with increasing angle of incidence for transverse magnetic polarization, it remains unchanged with band edges shifted for transverse electric polarization.
URI
http://dspace.inha.ac.kr/handle/10505/1685
ISSN
0021-8979
Appears in Collections:
College of Natural Science(자연과학대학) > Physics (물리학) > Journal Papers, Peports(물리학 학술논문, 보고서)
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