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Large-area perfect blackbody sheets having aperiodic array of surface micro-cavities for high-precision thermal imager calibration
https://repo.qst.go.jp/records/80313
https://repo.qst.go.jp/records/80313ceebfd04-8e06-4760-b4e4-037b280851d5
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-07-13 | |||||
タイトル | ||||||
タイトル | Large-area perfect blackbody sheets having aperiodic array of surface micro-cavities for high-precision thermal imager calibration | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
SHIMIZU, YUHEI
× SHIMIZU, YUHEI× Koshikawa, Hiroshi× IMBE, MASATOSHI× Yamaki, Tetsuya× AMEMIYA, KUNIAKI× Koshikawa, Hiroshi× Yamaki, Tetsuya |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present a large-area perfect blackbody sheet, which would offer a planar standard radiator for high-precision thermal imager calibration. Polydimethylsiloxane (PDMS) sheets with nano-precision surface micro-cavity structures achieve both ultra-low reflectance (ultra-high emissivity close to unity) over the thermal infrared wavelengths and high durability to mechanical contact. The investigation on the geometrical parameters of the conical micro-cavities, that is, radii and aspect ratios (ratio of height to radius), confirmed that the PDMS blackbody sheet with a micro-cavity radius of ~6 μm and an aspect ratio of ~4 exhibits the optimum hemispherical reflectance of less than 0.002 (emissivity of higher than 0.998) at the thermal wavelengths (6–15 μm). Furthermore, the large-area PDMS blackbody sheet of 100 mm × 80 mm maintained an excellent in-plane uniformity of the emissivity. This unprecedented large-area perfect blackbody conforms to the International Electrotechnical Commission (IEC) standard recommendation regarding thermal imager calibration for fever screening in terms of the emissivity performance. | |||||
書誌情報 |
Optics Express 巻 28, 号 15, p. 22606-22616, 発行日 2020-07 |
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出版者 | ||||||
出版者 | The Optical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1094-4087 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1364/OE.397136 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.osapublishing.org/oe/abstract.cfm?uri=oe-28-15-22606 |