Light source lamp with particular envelope structure to accommod

Details Light source lamp with particular envelope structure to accommod Light source lamp with particular envelope structure to accommod

1974-05-30

1978-07-11

Demeo, Palmer C.

Electric lamp and discharge devices

With magnetic device

With envelope

313209, 313217, 313220, 356 86, G01J 330, H01J 61067, H01J 6133, H01J 150

Patent

active

041004469

ABSTRACT:
In a tubular bulb filled with inert gas, a cathode and an anode are disposed opposite to each other. Electric discharge is caused between the electrodes to emit optical radiation. The bulb has a smaller diameter at the portion thereof which surrounds the electrodes than at the other portion of the bulb, and a magnet to establish magnetic field to cause Zeeman effect in the direction of the electric field between the electrodes is disposed near the portion of the bulb having the smaller diameter.

REFERENCES:
patent: 2855820 (1958-10-01), Robinson
patent: 3390297 (1968-06-01), Vollmer
patent: 3893768 (1975-07-01), Stephens
"Effects of Magnetic Fields on Hollow-Cathode Discharge", from Industrial Laboratory, vol. 38, No. 11, Nov. 1972, pp. 1697-1699, published May 1973.

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