Coherent light generators – Particular pumping means – Electrical
Patent
1988-09-13
1989-04-11
Scott, Jr., Leon
Coherent light generators
Particular pumping means
Electrical
372 56, 372 23, 372 34, 372 33, 372 88, H01S 3097
Patent
active
048212806
ABSTRACT:
A hollow-cathode type metal ion laser for producing white light includes a gas-filled tubular envelope and a hollow cathode located within the tubular enelope. The hollow cathode has holes formed in a side wall portion thereof and a bore therein. The hollow-cathode type metal ion laser preferably includes a plurality of metal-containing reservoirs for diffusing vapor of the metal into the bore through the holes. Each of the metal-containing reservoirs forms a portion of the tubular envelope and is preferably disposed next to one of the holes. Further, each of the metal-containing reservoirs preferably extends downwardly. Main anodes one near each of the holes, are preferably disposed one within each of the metal-containing reservoirs. The tubular envelope preferably includes subanodes disposed on within each end portion of the tubular envelope to confine the metal vapor within the bore.
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