Title: Solid state solar to microwave energy converter system and apparatus

Abstract: Solid state spaced-oriented means convert solar radiation into microwave energy which is amplified and beamed to earth as a source of electrical power. A large number of semiconductor devices operating in the current multiplication region are irradiated by single mode coherent light beam generation means which is pumped by solar energy. A neodymium yittrium aluminum iron garnet laser or CW gallium arsenide junction diode laser mode-locked at a predetermined microwave frequency, such as 3,000 MHz provide for generation of a light beam. The generated current is directly proportional to the radiant energy and is coupled from the semiconductor device array to antenna means for transmission to earth stations for conversion into low frequency electrical energy.

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Inventors: Dudley, Kenneth W. (Sudbury, MA, US)
MacMaster, George H. (Lexington, MA, US)

Application Number: 453133
Filing Date: 1974-03-20
Publication_date: 1976-01-20
Assignee: Raytheon Company (Lexington, MA)
Primary Class(es): 244/1R 136/292, 244/158R, 244/173, 310/306, 322/2R, 372/18, 372/79
Other Classes:
US Patent Ref:

3225208	Dec, 1965	Wolfe	310/4.
3341708	Sep, 1967	Bilderback	331/DIG.
3434678	Mar, 1969	Brown et al.	244/158.
3467840	Sep, 1969	Weiner	310/4.
3535543	Oct, 1970	Dailey	310/4.
3781647	Dec, 1973	Glaser	310/4.

Other Refs:
Primary Examiner: Blix, Trygve M.
Assistant Examiner: Sauberer, Paul E.
Attorney: Rost; Edgar O., Pannone; Joseph D., Murphy; Harold A.