Spectral control of thermal radiation by metallic surface relief gratings

Hitoshi Sai; Yoshiaki Kanamori; Kengo Watanabe; Hiroo Yugami

doi:10.1557/proc-1162-j03-01

Spectral control of thermal radiation by metallic surface relief gratings

Hitoshi Sai, Yoshiaki Kanamori, Kengo Watanabe, Hiroo Yugami

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The microcavity effect of two-dimensional W surface-relief gratings has been investigated by means of the finite-difference time-domain simulation. The peak structure of the spectral emissivity of W gratings with a number of microcavities is in good agreement with the spectral features of a single microcavity. This result shows that the emissivity enhancement by W gratings with microcavities is mainly attributable to the microcavity effect that arises from each microcavity. It is that the spectral emissivity can be controlled by a combination of several microcavities with different parameters, and that not only a rectangular but a cylindrical microcavity also shows the microcavity effect according to its cavity modes.

Original language	English
Title of host publication	High-Temperature Photonic Structures
Publisher	Materials Research Society
Pages	10-21
Number of pages	12
ISBN (Print)	9781615677795
DOIs	https://doi.org/10.1557/proc-1162-j03-01
Publication status	Published - 2009 Jan 1
Event	2009 MRS Spring Meeting - San Francisco, CA, United States Duration: 2009 Apr 13 → 2009 Apr 17

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1162
ISSN (Print)	0272-9172

Other

Other	2009 MRS Spring Meeting
Country/Territory	United States
City	San Francisco, CA
Period	09/4/13 → 09/4/17

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1557/proc-1162-j03-01

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Spectral control of thermal radiation by metallic surface relief gratings. / Sai, Hitoshi; Kanamori, Yoshiaki; Watanabe, Kengo; Yugami, Hiroo.

High-Temperature Photonic Structures. Materials Research Society, 2009. p. 10-21 (Materials Research Society Symposium Proceedings; Vol. 1162).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sai, H, Kanamori, Y, Watanabe, K & Yugami, H 2009, Spectral control of thermal radiation by metallic surface relief gratings. in High-Temperature Photonic Structures. Materials Research Society Symposium Proceedings, vol. 1162, Materials Research Society, pp. 10-21, 2009 MRS Spring Meeting, San Francisco, CA, United States, 09/4/13. https://doi.org/10.1557/proc-1162-j03-01

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AB - The microcavity effect of two-dimensional W surface-relief gratings has been investigated by means of the finite-difference time-domain simulation. The peak structure of the spectral emissivity of W gratings with a number of microcavities is in good agreement with the spectral features of a single microcavity. This result shows that the emissivity enhancement by W gratings with microcavities is mainly attributable to the microcavity effect that arises from each microcavity. It is that the spectral emissivity can be controlled by a combination of several microcavities with different parameters, and that not only a rectangular but a cylindrical microcavity also shows the microcavity effect according to its cavity modes.

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Spectral control of thermal radiation by metallic surface relief gratings

Abstract

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