Silicone-based anechoics at terahertz frequencies

R. H. Giles

doi:10.1117/12.2298200

14 December 1992 Silicone-based anechoics at terahertz frequencies

R. H. Giles

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19292B (1992) https://doi.org/10.1117/12.2298200
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

Abstract

Silicone-based anechoics using wedge-type surface geometries have been designed for use at terahertz frequencies. These materials provide more than -50dB of reduction in reflectivity for large-scale quasi- optical measurement systems. The geometry of the grooved surface is manufactured, in 2' x 2' sheets, to precise tolerances through a pressure injection molding process. Considerations of both manufacturablility and cost were addressed in utilizing an iron-oxide loaded silicone as vehicle for the anechoic . An evaluation of the materials currently available will be presented.

Citation Download Citation

R. H. Giles "Silicone-based anechoics at terahertz frequencies", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19292B (14 December 1992); https://doi.org/10.1117/12.2298200

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