Apparatus for converting radiant energy to electric energy

Details Apparatus for converting radiant energy to electric energy Apparatus for converting radiant energy to electric energy

1975-11-13

1978-04-11

Schaefer, Robert K.

Prime-mover dynamo plants

Miscellaneous

Drive gearing

250336, 361282, H01G 704

Patent

active

040841014

ABSTRACT:
Radiant energy is converted into electric energy by irradiating a capacitor including an ionic dielectric having a dipole layer only on or near its surface. The dielectric is selected from the group consisting of the rare earth trifluorides and trichlorides, and is preferably lanthanum trifluoride or lanthanum trichloride. The radiant energy cyclically heats and cools the dielectric to cause cyclic changes in the capacitance and resistance of the capacitor without changing the dielectric state. The capacitor is initially charged to a voltage just below the dielectric breakdown voltage by temporarily connecting it across a source of emf causing a current to flow through a charging resistor to the dielectric. The device can be utilized as a radiant energy detector.

REFERENCES:
patent: 3480777 (1969-11-01), Astheimer
patent: 3657644 (1972-04-01), Beam et al.
Solomon, Sher & Muller, Polarization InLaF.sub.3, vol. 37, No. 9, of Journal of Applied Physics, pp. 3427-3432, Aug. '66.
Sher, Solomon, Lee & Muller, Transport Properties of LaF.sub.3, vol. 144, No. 2 of Physical Review, pp. 593-604, Apr. '66.

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