MICROWAVE ELECTRODELESS LAMP AND LIGHT IRRADIATION DEVICE USING THE SAME

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PROBLEM TO BE SOLVED : To provide : a mercury-free type microwave electrodeless lamp having an emission intensity and emission spectral characteristics equivalent to those of a mercury type discharge lamp, as a light source of ultraviolet rays in a UV-A region; and a light irradiation device using the mercury-free type microwave electrodeless lamp. SOLUTION : A microwave electrodeless lamp receiving microwave energy to emit light includes : a tubular discharge container made of silica glass; and rare gas and luminescent material sealed in the discharge container. The luminescent material contains zinc, cobalt iodide and a cobalt simple substance, and the seal concentration of the zinc (Zn) is 1.5-4.2 μmol/cc. COPYRIGHT : (C)2016, JPO&INPIT