High-power excilamps with short-pulse duration

Victor F. Tarasenko; Anatolii V. Krivonosenko; Mikhail I. Lomaev; Victor S. Skakun; Edward A. Sosnin; Dmitrii V. Shitz

doi:10.1117/12.407308

16 August 2000 High-power excilamps with short-pulse duration

Victor F. Tarasenko, Anatolii V. Krivonosenko, Mikhail I. Lomaev, Victor S. Skakun, Edward A. Sosnin, Dmitrii V. Shitz

Proceedings Volume 4065, High-Power Laser Ablation III; (2000) https://doi.org/10.1117/12.407308
Event: High-Power Laser Ablation, 2000, Santa Fe, NM, United States

Abstract

The possibility of creation of capacitive discharge excilamps with short pulse duration was studied. There were three types of pulsed excilamps in experiments: cylindrical glow discharge lamp, capacitive discharge lamp, high pressure volume discharge planar lamp with UV-preionization of discharge gap. In capacitive discharge cylindrical KrCl-excilamp, at (lambda) approximately 222 nm the radiation pulse power through the end face of a lamp up to 2.5 kW has been obtained. Powerful radiation pulses of 50 ns in duration were obtained at pulse repetition rate of 1 kHz. In case of high pressure volume discharge at operating pressure of several atmospheres the radiation peak power density values were as much as 5 kW/cm² at (lambda) approximately 250 nm, and 3.5 kW/cm² at (lambda) approximately 222 nm and at (lambda) approximately 308 nm. In cylindrical longitudinal excilamp with inner electrodes with Xe- I₂ mixture the total pulse power of 75 kW has been obtained. The first experiments with harnessing of inductive energy stores for excilamp excitation have been carried out.

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Victor F. Tarasenko, Anatolii V. Krivonosenko, Mikhail I. Lomaev, Victor S. Skakun, Edward A. Sosnin, and Dmitrii V. Shitz "High-power excilamps with short-pulse duration", Proc. SPIE 4065, High-Power Laser Ablation III, (16 August 2000); https://doi.org/10.1117/12.407308

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