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This article is cited in 4 scientific papers (total in 4 papers)
Observation of laser-induced spark in the density jump in a gas-jet target
A. N. Nechaia, A. A. Perekalovab, N. I. Chkhaloa, N. N. Salashchenkoa a Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhnii Novgorod
b National Research Lobachevsky State University of Nizhny Novgorod
Abstract:
In the design of powerful laser-plasma sources of extreme ultraviolet radiation with a gas jet as the target, the problem of degradation of gas nozzles is topical. Degradation is observed due to insufficient distance from the generation zone of the laser-induced spark to the nozzle exit. The comprehensive solution to this problem is proposed by forming the laser-induced spark in the density jumps that are generated upon deceleration of the supersonic gas jet. In such a density jump, the laser-induced spark is obtained and measurements of emission radiation intensity are performed.
Keywords:
extreme ultraviolet radiation, degradation of gas nozzles, density jumps, laser-induced spark.
Received: 30.04.2019 Revised: 18.06.2019 Accepted: 18.06.2019
Citation:
A. N. Nechai, A. A. Perekalov, N. I. Chkhalo, N. N. Salashchenko, “Observation of laser-induced spark in the density jump in a gas-jet target”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 45:19 (2019), 14–16; Tech. Phys. Lett., 45:10 (2019), 970–972
Linking options:
https://www.mathnet.ru/eng/pjtf5302 https://www.mathnet.ru/eng/pjtf/v45/i19/p14
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