ULTRA-VIOLET LAMP FOR PHOTOIONIZATION DETECTORS Russian patent published in 1995 - IPC

FIELD: electronic devices. SUBSTANCE: ultra-violet lamp has envelope filled with at least one gas radiating multiline spectrum within range of vacuum ultra-violet. Lamp has window made of magnesium fluoride on side of radiation output hermetically coupled to envelope as well as filter from material with transmission cut-off from 122 to 171 nm. Filter can be separated from window by gas gap, it can also be manufactured in the form of layer applied to inner surface of window. Such design of lamp enables maximum working temperature to be risen and efficiency of lamp operation to be enhanced. EFFECT: increased operational efficiency of lamp. 3 cl, 2 dwg