Pulsed UV and VUV excilamps

Victor F. Tarasenko; Mikhail V. Erofeev; Igor D. Kostyrja; Mikhail I. Lomaev; Dmitri V. Rybka

doi:10.1117/12.782585

12 May 2008 Pulsed UV and VUV excilamps

Victor F. Tarasenko, Mikhail V. Erofeev, Igor D. Kostyrja, Mikhail I. Lomaev, Dmitri V. Rybka

Proceedings Volume 7005, High-Power Laser Ablation VII; 70052T (2008) https://doi.org/10.1117/12.782585
Event: High-Power Laser Ablation 2008, 2008, Taos, New Mexico, United States

Abstract

Emission characteristics of a nanosecond discharge in nitrogen, inert gases and its halogenides without preionization of the gap from an auxiliary source have been investigated. A volume discharge, initiated by an avalanche electron beam (VDIAEB) was realized at pressures up to 12 atm. It has been shown that at VDIAEB excitation no less than 90% energy in the 120-850 nm range is emitted by Xe, Kr, Ar dimers. Xenon spectra in the range 120-850 nm and time-amplitude characteristics have been recorded and analyzed for various excitation regimes. In xenon at pressure of 1.2 atm, the energy of spontaneous radiation in the full solid angle was ~ 45 mJ/cm³, and the FWHM of a radiation pulse was ~ 110 ns. The spontaneous radiation power rise in xenon was observed at pressures up to 12 atm. Pulsed power densities of radiation of inert gases halogenides excited by VDIAEB was ~ 4.5 kW/cm² at efficiency up to 5.5 %.

Citation Download Citation

Victor F. Tarasenko, Mikhail V. Erofeev, Igor D. Kostyrja, Mikhail I. Lomaev, and Dmitri V. Rybka "Pulsed UV and VUV excilamps", Proc. SPIE 7005, High-Power Laser Ablation VII, 70052T (12 May 2008); https://doi.org/10.1117/12.782585

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