Electric lamp and discharge devices: systems – Discharge device load
Patent
1996-12-19
1998-09-01
Pascal, Robert J.
Electric lamp and discharge devices: systems
Discharge device load
315246, 315344, 313609, H01J 6130, H05B 3700
Patent
active
058014950
ABSTRACT:
A low-pressure discharge lamp, in particular a deuterium lamp, includes a lamp envelope in which a plasma for generating UV radiation is formed by the capacitative generation of a high-frequency electromagnetic field. At least two partitions having openings are provided, wherein the openings are disposed on a common optical axis. The openings serve to constrict the plasma contained within the discharge vessel, which provides a high radial intensity of the plasma with high radiation stability for directing radiation along the optical axis. The radiation exits through a radiation emission window which is pervious to UV rays or through two exit windows placed opposite each other along the optical axis. The discharge lamp is particularly suitable for analytic measuring tasks, for example, as a light source in spectrophotometers.
REFERENCES:
patent: 2068595 (1937-01-01), Burns
patent: 2298239 (1942-10-01), Stirnkorb
patent: 3502929 (1970-03-01), Richter et al.
patent: 4816719 (1989-03-01), Maya et al.
patent: 4884007 (1989-11-01), Lagushenko et al.
patent: 5327049 (1994-07-01), Smolka et al.
Herter Beate
Schilling Franz
Schnabl Anke
Smolka Ernst
Heraeus Noblelight GmbH
Pascal Robert J.
Vu David
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