Electrooptic Devices For Millimeter Waves Using Cooled Ferroelectrics

Bradley Bobbs; Mehran Matloubian; Harold R. Fetterman; Ratnakar R. Neurgaonkar; Warren K. Cory

doi:10.1117/12.948342

28 October 1985 Electrooptic Devices For Millimeter Waves Using Cooled Ferroelectrics

Bradley Bobbs, Mehran Matloubian, Harold R. Fetterman, Ratnakar R. Neurgaonkar, Warren K. Cory

Proceedings Volume 0545, Optical Technology for Microwave Applications II; (1985) https://doi.org/10.1117/12.948342
Event: 1985 Technical Symposium East, 1985, Arlington, United States

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.

Citation Download Citation

Bradley Bobbs, Mehran Matloubian, Harold R. Fetterman, Ratnakar R. Neurgaonkar, and Warren K. Cory "Electrooptic Devices For Millimeter Waves Using Cooled Ferroelectrics", Proc. SPIE 0545, Optical Technology for Microwave Applications II, (28 October 1985); https://doi.org/10.1117/12.948342

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