High Peak Power Pulsed Light Source.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent application discloses a light source which produces high peak power pulsed light output principally within the 4700A - 5100A spectral range. This consists of a sealed envelope of material substantially transparent to light energy within that spectral range and two oppositely disposed electrically conductive electrodes extending into its interior forming a short gap therebetween. An elemental metal chosen from the group including zinc, cadmium, and mercury is contained within the envelope. The external terminals of the two electrodes are connected to a source of pulsed electrical energy of sufficient power to generate a pulsed current flow across the gap between the electrodes. This produces heat to vaporize the metal within the envelope, and to sustain its vapor pressure at not less than three atmospheres which results in an extremely high peak power light output principally within the 4700A - 5100A spectral range.
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