Reflection and emission properties of an infrared emitter

Chih Ming Wang, Yia Chung Chang, Ming Wei Tsai, Yi Han Ye, Chia Yi Chen, Yu Wei Jiang, Yi Tsung Chang, Si Chen Lee, Din Ping Tsai

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


The reflection and emission properties of an infrared emitter, which is a plasmonic multilayer structure consisting of a relief metallic grating, a waveguide layer, and a metallic substrate are investigated both experimentally and theoretically. A localized surface plasmon polariton (SPP) mode which is angular-independent in almost the full range of incident angles is observed. The thermal emission of this structure is also measured. It is found that the emission peak coincides with the angular-independent localized SPP mode. In addition, the emission spectrum of the plasmonic emitter can be predicted by investigating the reflectance spectrum.

Original languageEnglish
Pages (from-to)14673-14678
Number of pages6
JournalOptics Express
Issue number22
StatePublished - 29 Oct 2007


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