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Proceedings Paper

Electrooptic Devices For Millimeter Waves Using Cooled Ferroelectrics
Author(s): Bradley Bobbs; Mehran Matloubian; Harold R. Fetterman; Ratnakar R. Neurgaonkar; Warren K. Cory
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Paper Abstract

The complex dielectric constants of two ferroelectric crystals SBU and BSKNN have been determlned for millimeter waves betweeen 55 and 110 GHz as a function of temperature. These measurements used Fabry-Perot fringes produced by crystal surface reflections. Absorption was found to decrease markedly upon cooling for incident waves polarized along the crystal polar axis. Since exploitation of the large millimeter wave electooptic coefficients in these crystals is limited at room temperature by absorption losses, these results indicate that cooled crystals can he used for efficient low-loss electrooptic devices.

Paper Details

Date Published: 28 October 1985
PDF: 4 pages
Proc. SPIE 0545, Optical Technology for Microwave Applications II, (28 October 1985); doi: 10.1117/12.948342
Show Author Affiliations
Bradley Bobbs, University of California (United States)
Mehran Matloubian, University of California (United States)
Harold R. Fetterman, University of California (United States)
Ratnakar R. Neurgaonkar, Rockwell International Science Center (United States)
Warren K. Cory, Rockwell International Science Center (United States)


Published in SPIE Proceedings Vol. 0545:
Optical Technology for Microwave Applications II
Shi-Kay Yao, Editor(s)

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