Accession Number : ADD000017

Title :   A High Intensity Light Source.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Geller,Myer ; Altman,Daniel E ; Barstow,Glidden J

Report Date : 11 Sep 1973

Pagination or Media Count : 6

Abstract : The patent describes a high intensity light source which produces the principal portion of its light energy output substantially within the spectral range of 4,600 A to 5,000 A. A sealed envelope of material substantially transparent to light energy within the aforementioned range contains electrically conductive electrodes, a suitable starter gas, preferably of an inert character, and also an amount of elemental metal. The electrodes have external terminals which, upon connection to a suitable source of electrical energy, generate an initial electrical discharge producing sufficient heat to cause sublimination of the metal so that it is converted to its vapor state. The metal is chosen to have a sufficiently high vapor pressure so that it will sublimate in response to a temperature of the order of approximately 800C.

Descriptors :   *Light sources, *Patents, High intensity, Underwater lights, Arc lamps, Metal vapors, Lamps

Subject Categories : Air Condition, Heating, Lighting & Ventilating

Distribution Statement : APPROVED FOR PUBLIC RELEASE