Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent
1978-10-24
1981-04-21
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
333164, 333248, 357 30, H01P 118, H01P 900, H01P 300
Patent
active
042635705
ABSTRACT:
A reciprocal phase shifter for optically controlling the phase of microwa millimeter, and submillimeter wavelength electromagnetic energy includes a source of light and a waveguide which comprises an interaction material for absorbing the light and forming a plasma of electron-hole pairs within the material. The plasma interacts with a traveling wave in the waveguide. The speed at which the wave propagates changes in the interaction region and thereby changes the phase of the wave.
REFERENCES:
patent: 3040262 (1962-06-01), Pearson
patent: 3721923 (1973-03-01), Gray et al.
patent: 3866143 (1975-02-01), Jacobs et al.
patent: 3944950 (1976-03-01), Jacobs et al.
De Fonzo Alfred P.
Giallorenzi Thomas G.
Ellis William T.
Nussbaum Marvin L.
Ranucci Vincent J.
Sciascia R. S.
The United States of America as represented by the Secretary of
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