Selectively emissive refractory metal surfaces

H. G. Craighead; R. E. Howard; D. M. Tennant

doi:10.1063/1.92253

Selectively emissive refractory metal surfaces

H. G. Craighead, R. E. Howard, D. M. Tennant

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

In this letter is decribed a spectrally selective tungsten light-emitting surface, employing submicron surface texturing produced by reactive ion etching. The average emissivity of this surface throughout the visible wavelength range of 0.3-0.7 μm is greater than 0.9 compared to ∼0.4 for ordinary tungsten. At longer infrared wavelengths, however, the emissivity of the etched surface approaches that of a smooth tungsten surface. This results in enhanced efficiency in the production of visible light.

Original language	English (US)
Pages (from-to)	74-76
Number of pages	3
Journal	Applied Physics Letters
Volume	38
Issue number	2
DOIs	https://doi.org/10.1063/1.92253
State	Published - 1981

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.92253

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abstract = "In this letter is decribed a spectrally selective tungsten light-emitting surface, employing submicron surface texturing produced by reactive ion etching. The average emissivity of this surface throughout the visible wavelength range of 0.3-0.7 μm is greater than 0.9 compared to ∼0.4 for ordinary tungsten. At longer infrared wavelengths, however, the emissivity of the etched surface approaches that of a smooth tungsten surface. This results in enhanced efficiency in the production of visible light.",

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AU - Howard, R. E.

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AB - In this letter is decribed a spectrally selective tungsten light-emitting surface, employing submicron surface texturing produced by reactive ion etching. The average emissivity of this surface throughout the visible wavelength range of 0.3-0.7 μm is greater than 0.9 compared to ∼0.4 for ordinary tungsten. At longer infrared wavelengths, however, the emissivity of the etched surface approaches that of a smooth tungsten surface. This results in enhanced efficiency in the production of visible light.

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Selectively emissive refractory metal surfaces

Abstract

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