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Dynamic measurement of near-field radiative heat transfer
Citation Link: https://doi.org/10.15480/882.1439
Publikationstyp
Journal Article
Date Issued
2017-10-24
Sprache
English
TORE-DOI
Journal
Volume
7
Issue
1
Start Page
13916
Citation
Scientific reports 1 (7): 13916- (2017-10-24)
Publisher DOI
Scopus ID
Publisher
Nature Publishing Group
Super-Planckian near-field radiative heat transfer allows effective heat transfer between a hot and a cold body to increase beyond the limits long known for black bodies. Until present, experimental techniques to measure the radiative heat flow relied on steady-state systems. Here, we present a dynamic measurement approach based on the transient plane source technique, which extracts thermal properties from a temperature transient caused by a step input power function. Using this versatile method, that requires only single sided contact, we measure enhanced radiative conduction up to 16 times higher than the blackbody limit on centimeter sized glass samples without any specialized sample preparation or nanofabrication.
Subjects
applied physics
mechanical engineering
nanophotonics and plasmonics
techniques and instrumentation
DDC Class
620: Ingenieurwissenschaften
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