Electric lamp and discharge devices – Cathode ray tube – Ray generating or control
Patent
1996-01-04
1998-08-04
O'Shea, Sandra L.
Electric lamp and discharge devices
Cathode ray tube
Ray generating or control
313414, H01J 2946, H01J 2950
Patent
active
057898529
ABSTRACT:
An electron-beam-pumped laser includes a cathode ray tube containing a laser crystal, an electron gun for producing an electron beam including a multi-element focusing electrode layer on an inner surface of the tube for effecting focusing of the beam on the laser crystal, and a multi-element deflection electrode layer on an inner surface of the tube for effecting scanning of the beam across the laser crystal. The laser crystal is disposed on a metal heat-conductive support which is adapted for accurately positioning the laser crystal in closely spaced relationship with respect to the electron gun and to a laser light emitting window of the tube.
REFERENCES:
patent: 4853589 (1989-08-01), Vrijssen
patent: 5521464 (1996-05-01), Vrijssen et al.
"Electron Beam Pumped II-VI Lasers" by S. Colak et al, Journal of Crystal Growth 72 (1985) pp. 504-511.
Cornelissen Hugo J.
Savert Cornelis J.
van Rosmalen Gerard E.
Vrijssen Gerardus A. H. M.
Haynes Mark
Kraus Robert J.
O'Shea Sandra L.
U.S. Philips Corporation
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