ZnTe electro-optic electric field sensor

Marc S. Litz; Daniel C. Judy; Neal Tesny

doi:10.1117/12.351215

1 July 1999 ZnTe electro-optic electric field sensor

Marc S. Litz, Daniel C. Judy, Neal Tesny

Proceedings Volume 3702, Intense Microwave Pulses VI; (1999) https://doi.org/10.1117/12.351215
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

An ultra-wideband, nonperturbing, electric-field sensor is being developed that uses the linear electro-optic effect and is packaged in a suitcase-sized optical configuration. The methodology has been demonstrated on the optical bench with ZnTe and used to measure an applied electric field. The immediate goal is to demonstrate the sensor up to 4 GHz and apply it to unknown fields in a configuration using polished and coated ZnTe crystals. The unique features of the sensor include non-perturbing rf CW & pulsed (< 2 GHz) measurements inside of cavities, while preserving the amplitude, polarization, and phase content of the detected signal. Preliminary measurements reported here verify the crystal sensitivity of approximately 3 V/cm (1 mW/cm²) (into a 5 GHz bandwidth (BW) oscilloscope), and response linearity. Variations in optical configurations are compared on the basis of sensitivity.

Citation Download Citation

Marc S. Litz, Daniel C. Judy, and Neal Tesny "ZnTe electro-optic electric field sensor", Proc. SPIE 3702, Intense Microwave Pulses VI, (1 July 1999); https://doi.org/10.1117/12.351215

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