Quasi-optical gyrotron having a hologram output coupling

Details Quasi-optical gyrotron having a hologram output coupling Quasi-optical gyrotron having a hologram output coupling

1990-07-18

1992-07-28

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 39, 331 79, 333230, H01J 2340, H03B 901

Patent

active

051343428

ABSTRACT:
In a quasi-optical gyrotron which exhibits a quasi-optical resonator having two mirrors (4a, 4b) which opposite one another on a resonator axis (5), the required electromagnetic radiation is coupled out by means of a hologram. In this arrangement, at least one of the two mirrors (4b) of the resonator exhibits a reflective surface (8b) provided with a hologram. The hologram is constructed in such a manner that the radiation to be coupled out is scattered in the direction of at least exactly one coupling-out axis (10), the at least exactly one coupling-out axis (10) enclosing a predetermined angle .alpha. not equal to zero with the resonator axis (5). The angle .alpha. is preferably as small as possible.

REFERENCES:
patent: 2634372 (1953-04-01), Salisbury
patent: 3609585 (1971-09-01), Hufnagel
Brown Boveri Review, vol. 6, Jun. 1987, H. G. Mathews et al.: "The gyrotron-A key component of high-power microwave transmitters", pp. 303-307.
Applied Optics, vol. 26, No. 18, Sep. 15, 1987, Optical Society of America, R. K. Kostuk et al.: "Design considerations for holographic optical interconnects", pp. 3947-3953.

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