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Publication Information
Title
Japanese:
English:
Normal Spectral Emittance of a Nickel Metal Surface with Rectangular Microcavities
Author
Japanese:
平島大輔
,
亀谷 雄樹
,
花村 克悟
.
English:
Daisuke Hirashima
,
Yuki Kameya
,
Katsunori Hanamura
.
Language
English
Journal/Book name
Japanese:
English:
Heat Transfer—Asian Research
Volume, Number, Page
38 3 pp. 141-148
Published date
Mar. 2009
Publisher
Japanese:
English:
Heat Transfer—Asian Research
Conference name
Japanese:
English:
Conference site
Japanese:
English:
DOI
https://doi.org/10.1002/htj.20248
Abstract
Spectral control of thermal radiation emitted from rectangular microcavities (0.5 × 0.5 × 0.5 μm3) was investigated through emission experiments at high temperatures. The microcavities were fabricated on a mirror-finished Ni metal surface. Through measurement of the normal spectral emittance, the maximum emittance was obtained around a wavelength of 0.87 μm, which was very close to that (0.894 μm) estimated from the cavity resonance theory. The emittance reached a maximum value of 0.95, and then decreased drastically with increasing wavelength, from the cut-off wavelength. For a longer wavelength range from 1.7 μm, it was equal to the emittance of the mirror-finished surface. © 2009 Wiley Periodicals, Inc. Heat Trans Asian Res, 38(3): 141–148, 2009; Published online 20 January 2009 in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.20248
©2007
Tokyo Institute of Technology All rights reserved.