Investigation of the Effect of a Protective Layer on Parameters of Quartz Low-Pressure Gas-Discharge Lamps with Oxide Electrodes
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VASILIEV, Alexandr, VASILIAC, Leonid, KOSTIUCENKO, S., KUDRYAVTSEV, N., KUZMENKO, M., PECERKIN, V.. Investigation of the Effect of a Protective Layer on Parameters of Quartz Low-Pressure Gas-Discharge Lamps with Oxide Electrodes . In: Surface Engineering and Applied Electrochemistry, 2007, nr. 1(43), pp. 49-52. ISSN 1068-3755.
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Surface Engineering and Applied Electrochemistry
Numărul 1(43) / 2007 / ISSN 1068-3755 /ISSNe 1934-8002

Investigation of the Effect of a Protective Layer on Parameters of Quartz Low-Pressure Gas-Discharge Lamps with Oxide Electrodes

Pag. 49-52

Vasiliev Alexandr, Vasiliac Leonid, Kostiucenko S., Kudryavtsev N., Kuzmenko M., Pecerkin V.
 
 
Disponibil în IBN: 17 decembrie 2013


Rezumat

Low pressure amalgam lamps are widely used for disinfection of air and water surfaces. The application of amalgam instead of pure mercury makes it possible to design a high-efficiency powerful ultraviolet lamp and to improve the ecological impact of disinfection equipment. This paper describes the effect of oxide electrodes and a quartz inner surface on the lifetime of a lamp and on the ultraviolet-intensity reduction in low pressure lamps. We show that the burning time of the noble-gas arc discharge at a low pressure depends on the interaction between the discharge plasma and the inner quartz surface. Use of a rare-earth-metal-oxide protective layer on the inner quartz surface increases the lifetime of the lamp and prevents ultraviolet-intensity reduction in low-pressure amalgam lamps.