Divided hollow cathode laser

PCT No. PCT/SE88/00431 Sec. 371 Date Feb. 22, 1990 Sec. 102(e) Date Feb. 22, 1990 PCT Filed Aug. 24, 1988 PCT Pub. No. WO89/02173 PCT Pub. Date Mar. 9, 1989.An improved electrode design for reducing discharge instability, especially in white light lasers. The apparatus consists of at least one catho...

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Hauptverfasser: MIZERACZYK, JERZY, SEGERSTAD, SVERKER H. A, CARLSSON, CHARLOTTE
Format: Patent
Sprache:eng
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Zusammenfassung:PCT No. PCT/SE88/00431 Sec. 371 Date Feb. 22, 1990 Sec. 102(e) Date Feb. 22, 1990 PCT Filed Aug. 24, 1988 PCT Pub. No. WO89/02173 PCT Pub. Date Mar. 9, 1989.An improved electrode design for reducing discharge instability, especially in white light lasers. The apparatus consists of at least one cathode electrode (12) arranged between anode electrodes (14), said cathode being divided into two equally long tube parts (15) designed with inner cylindrical electrode surfaces (A1, A2) between which a widened portion (16) is located and each anode electrode is connected via and insulator (13) to the end of each tube part (15) facing away from the widened portion. This widened portion of the cathode serves to divide the cathode which in turn stablized the current and the current density. It can also serve as a metal reservoir.