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Emission spectra of liquid-jet targets of hexane C₆H₁₄, dichloromethane CH₂Cl₂, methylene bromide CH₃Br in the range 4-20 nm under pulsed laser excitation

Russian version

DOI: 10.21883/EOS.2022.07.54718.3022-22

Guseva V. E.¹, Nechay A. N.², Perekalov A. A.², Salashchenko N. N.², Chkhalo N. I.²

¹Lobachevsky State University, Nizhny Novgorod, Russia
²Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, Russia

Email: nechay@ipmras.ru, perekalov@ipmras.ru

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Abstract
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The article discusses the results of studying the emission spectra of liquid hexane C₆H₁₄, dichloromethane CH₂Cl₂, methylene bromide CH₃Br upon excitation by pulsed laser radiation. We used a Nd : YAG,laser, λ=1064 nm, tau=5.2 ns, E_pulse=0.8 J. The spectral range of 4-20 nm was studied. We used injector with a hole 225 μm ?m in diameter, operating in a pulsed mode to form a liquid-droplet jet. The emission spectra of these liquid-jet targets were obtained. The obtained spectra were decoded, and the ions emitting in this spectral range were determined Keywords: extreme ultraviolet radiation, emission spectra, laser spark, x-ray spectrometer-monochromator, liquid jets.

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