Optical: systems and elements – Optical frequency converter – Harmonic generator
Patent
1990-05-25
1994-01-18
Swann, Tod R.
Optical: systems and elements
Optical frequency converter
Harmonic generator
328 65, H03K 500
Patent
active
052803821
ABSTRACT:
A circuit arrangement to convert high voltage direct current energy into radio frequency energy that includes photoconductive switch means which is periodically closed by a pulsed light source, such as a laser, to generate the radio frequency energy. A segmented transmission line which includes a plurality of photoconductive switches positioned a half-wavelength apart that are closed simultaneously by the laser may be used to generate the radio frequency energy. The photoconductive switches may also be connected in parallel and closed by time delayed light pulses to generate the radio frequency energy. The pulses generated may also be used to excite a resonator circuit coupled to a load to increase the duration of the high frequency oscillation and to shape (filter) the resultant waveform. Other configurations utilizing photoconductive semiconductor discs and annular metal electrode configurations which may be closed by light pulses are also illustrated.
REFERENCES:
patent: 3524986 (1970-08-01), Hamden, Jr.
patent: 3772613 (1973-11-01), Smith
patent: 3881120 (1975-04-01), Osterwalder
patent: 3986050 (1976-10-01), Beckman
patent: 4099128 (1978-07-01), Hooper
patent: 4176295 (1979-11-01), Driver et al.
Hame Trevor G.
Osterwalder Johann M.
Brown Charles D.
Denson-Low Wanda K.
Heald Randall M.
Hughes Missile Systems Company
Swann Tod R.
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