Instruments and methods of investigation

Excilamps: efficient sources of spontaneous UV and VUV radiation

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Institute of High-Current Electronics, Siberian Branch of the Russian Academy of Sciences, Akademicheskii prosp. 4, Tomsk, 634055, Russian Federation

The results of research into high-power, high-efficiency noble-gas-halide excilamps using glow, capacitive, and barrier discharges for the excitation sources are presented. The maximum radiation powers and minimum consumption are achieved with glow discharge lamps. An excilamp with an average radiation power of 1.6 kW on KrCl* molecules (λ = 222 nm) and 1.1 kW on XeCl* molecules (λ = 308 nm) is developed, whose energy conversion efficiency exceeds 10%. The use of an electrodeless capacitive discharge leads to sealed off excilamps with a simple emitter design, which have a power of 1 to 10 W and a service life of about 2500 h and more. Barrier-discharge excilamps possess both high energy parameters (> 100 W m-1) and a long service life. Excilamps can find wide practical applications as new powerful sources of UV and VUV radiation.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 07.60.−j, 42.72.Bj, 52.80.−s (all)
DOI: 10.1070/PU2003v046n02ABEH001308
Citation: Lomaev M I, Skakun V S, Sosnin E A, Tarasenko V F, Shitts D V, Erofeev M V "Excilamps: efficient sources of spontaneous UV and VUV radiation" Phys. Usp. 46 193–209 (2003)
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Оригинал: Ломаев М И, Скакун В С, Соснин Э А, Тарасенко В Ф, Шитц Д В, Ерофеев М В «Эксилампы — эффективные источники спонтанного УФ- и ВУФ-излучения» УФН 173 201–217 (2003); DOI: 10.3367/UFNr.0173.200302d.0201

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