Physics
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aps..gecjwp055b&link_type=abstract
American Physical Society, 53rd Annual Gaseous Electronics Conference October 24-27, 2000 Houston, Texas Meeting ID: GEC00, abst
Physics
Scientific paper
Recently, there’s a growing interest in variable colour fluorescent lamps. In the past, several options for changing the color of a fluorescent lamp were proposed. Most of these options use radio frequency or pulsed excitation of the gas discharge. By changing the electrical excitation, the electron energy distribution function changes. This causes the output spectrum of the lamp to change. A disadvantage of such a lamp is the expensive power sources that are required. We propose a new lamp with a variable color. The working principle of this lamp is based on mercury depletion in the positive column of a neon-mercury discharge. Under certain experimental conditions, this mercury depletion results in the addition of neon radiation to the emission spectrum of the lamp. We used several diagnostics to understand the mercury depletion process. We will present the results of Thomson scattering, UV absorption, spatially resolved absolute emission, and electrical measurements.
Bakker Leon
Kroesen Gerrit
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