Method for the temperature-compensated, electro-optical...

Details Method for the temperature-compensated, electro-optical... Method for the temperature-compensated, electro-optical...

2005-08-16

2005-08-16

Patel, Paresh (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

C324S072000, C324S076110

Reexamination Certificate

active

06930475

ABSTRACT:
For measuring an electric voltage in an electro-optic voltage converter, polarized light of two wavelengths is sent through a medium. At the output side, the light is led through a polarizer and the remaining signal is measured. For compensating a temperature dependence of the electro-optic coefficients, the measured results at both wavelengths are compared, and the voltage value consistant with both measurements is used.

REFERENCES:
patent: 4629323 (1986-12-01), Matsumoto
patent: 5895912 (1999-04-01), Bosselmann et al.
patent: 0 729 033 (1996-08-01), None
Valery N. Filippov et al., “Fiber Sensor for Simultaneous Measurement of Voltage and Temperature”, IEEE Photonics Technology Letters, IEEE. New York, U.S., 2000, vol. 12, No. 11, pp. 1543-1545.

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