Far-Infrared Radiation Modulators Using High-Tc Superconductors-Reference-Cited by-同舟云学术

Far-Infrared Radiation Modulators Using High-Tc Superconductors

Published:1998-02-01 Issue:1 Volume:120 Page:24-29
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Zhang Z. M.¹

Affiliation:

1. Department of Mechanical Engineering, University of Florida, P.O. Box 116300, Gainesville, FL 32611-6300

Abstract

The potential of using high-Tc superconductors as intensity modulators for far-infrared radiation is investigated in this work. Reflectance and transmittance for several design structures are computed using the published optical constants of the superconductor YBa2Cu3O7 and substrate materials. Notable differences in the reflectance and transmittance between the superconducting state and the normal state are illustrated. The best results are obtained based on the reflectance of thin films (10 nm–50 nm thick) on thin substrates (less than 100 μm thick) and for radiation incident on the substrate. This study demonstrates that high-Tc superconductive thin films can be used to build far-infrared radiation modulators. Future experimental study is recommended in order to materialize this promising thermo-optical device.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/120/1/24/5759668/24_1.pdf

Reference40 articles.

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