Controlling the vapor pressure of a mercury lamp

Details Controlling the vapor pressure of a mercury lamp Controlling the vapor pressure of a mercury lamp

1985-12-31

1988-05-24

Moore, David K.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313 24, 313 36, 313 44, 313634, H01J 6124, H01J 6134

Patent

active

047468327

ABSTRACT:
The invention described herein discloses a method and apparatus for controlling the Hg vapor pressure within a lamp. This is done by establishing and controlling two temperature zones within the lamp. One zone is colder than the other zone. The first zone is called the cold spot. By controlling the temperature of the cold spot, the Hg vapor pressure within the lamp is controlled. Likewise, by controlling the Hg vapor pressure of the lamp, the intensity and linewidth of the radiation emitted from the lamp is controlled.

REFERENCES:
patent: 3360035 (1967-12-01), Loo et al.
patent: 3665235 (1972-05-01), Hugot
patent: 3673406 (1972-06-01), Nief et al.
Photochemical Isotope Separation of Hg-196 by Reaction with Hydrogen Halides, Webster, C. R. and Zare, R. N., J. Phy. Chem., 85, 1302-1305 (1981).
Photochemical Enrichment of Hg-196, Grossman, M., and Maya, J., XIII, Intern. Elec. Con. Tech. Dig., 139-140 (Jun. 18-21, 1984).
Energy Conservation Through More Efficient Conservation, Maya, J., Grossman, M. W., Lagushenko, R., Waymouth, J. F., Science 266, 435-436 (Oct. 26, '84).

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