A compact three-electrode discharge system for long-pulse KrCl excimer lasers


Casper, L.C. and Bastiaens, H.M.J. and Peters, P.J.M. and Boller, K.-J. and Hofstra, R.M. (2008) A compact three-electrode discharge system for long-pulse KrCl excimer lasers. Plasma Sources Science and Technology, 17 (1). 015009. ISSN 0963-0252

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Abstract:Spatially very homogeneous gas discharges with long-pulse duration have been realized in HCl-based rare-gas halide gas mixtures at over-atmospheric pressures. A low inductive three-electrode prepulse–mainpulse configuration with two discharge volumes has been used as excitation circuit. The energy transfer efficiency of the pump circuit is very high and reaches 87%. Furthermore, the rise time of the discharge current is very short, in order to improve the discharge stability for high pump powers. Experiments in Xe/HCl/Ne mixtures reveal spatially very homogeneous discharges for up to 370 ns (FWHM) with a power deposition of 260 kW cm-3. For discharges in Kr/HCl/Ne mixtures, we also observe very homogeneous discharges for pump power densities of more than 500 kW cm-3. Discharges in mixtures with a krypton concentration of 100 mbar and 0.5 mbar HCl are homogeneous for 300 ns against 200 ns when 1 mbar of HCl is used.
Item Type:Article
Copyright:© 2008 IOP
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/58250
Official URL:https://doi.org/10.1088/0963-0252/17/1/015009
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