Optical Properties Of Thin Film Refractory Metals

Harold S. Gurev

doi:10.1117/12.954937

15 February 1977 Optical Properties Of Thin Film Refractory Metals

Harold S. Gurev

Proceedings Volume 0085, Solar Energy Utilization II; (1977) https://doi.org/10.1117/12.954937
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

Molybdenum thin films have been produced by chemical vapor deposition with an emittance(calculatedat 500°C) which is at least as low as the emittance of the pure, bulk metal (0.069). Tungsten films deposited by CVD have an emittance of 0.045 as compared to 0.019 reported for the bulk metal. These experimental results indicate the potential usefulness of CVD Mo or W thin films as infrared reflectors in tandem layer, spec-trally selective, solar absorber systems. In addition, a spectrally selective CVD thin film which consists of a mixture of Mo and Mo03 phases has been deposited which has a solar absorptance of 0.74 and a calculated emittance at 500°C of 0.063.

Citation Download Citation

Harold S. Gurev "Optical Properties Of Thin Film Refractory Metals", Proc. SPIE 0085, Solar Energy Utilization II, (15 February 1977); https://doi.org/10.1117/12.954937

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