Millimeter wave diagnostics of materials and melts

Author

Sundaram, S.K. ; Woskov, P.P. ; Daniel, W.E., Jr.

Author_Institution

Pacific Northwest Nat. Lab., Richland, WA, USA

fYear

2004

fDate

27 Sept.-1 Oct. 2004

Firstpage

799

Lastpage

800

Abstract

Diagnostics of materials in high-temperature, optically inaccessible environments can be reliably achieved with millimeter-wave methods and components. A 137 GHz heterodyne receiver using a thermal return reflection (TRR) technique and ceramic waveguides tested to 1500°C have been used to demonstrate the capability to measure temperature, emissivity, viscosity, and salt layer formation in laboratory and pilot scale melter tests.

Keywords

ceramics; emissivity; millimetre wave measurement; millimetre wave receivers; temperature measurement; viscosity measurement; waveguides; 137 GHz; 1500 degC; ceramic waveguides; emissivity; heterodyne receiver; material diagnostics; millimeter wave diagnostics; pilot scale melter tests; salt layer formation; thermal return reflection; viscosity; Materials reliability; Millimeter wave measurements; Millimeter wave technology; Optical devices; Optical materials; Optical mixing; Optical receivers; Optical waveguides; Temperature measurement; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared and Millimeter Waves, 2004 and 12th International Conference on Terahertz Electronics, 2004. Conference Digest of the 2004 Joint 29th International Conference on

Print_ISBN

0-7803-8490-3

Type

conf

DOI

10.1109/ICIMW.2004.1422336

Filename

1422336