Ionization Processes in a Carbon Aerosol Upon Exposure to Long Laser Pulses. II = Процессы ионизации при воздействии длинных лазерных импульсов на углеродный аэрозоль. II / S. F. Balandin, V. A. Donchenko, V. F. Myshkin (Mishkin) [et al.]
Уровень набора: Russian Physics JournalЯзык: английский.Резюме или реферат: An experimental setup and a technique for measuring the temperature and concentration of carbon and barium oxide particles in an ionized dispersed medium are described. It is shown that in a wide-aperture Nd laser beam at a wavelength of 1.06 µm with a pulse duration of ~1 ms, the ionization threshold of a carbon dispersed medium is lower than the ionization threshold of a focused beam. The ionization threshold is 5-10 times higher for the medium with barium oxide particles (with a low ionization potential) than for the medium with carbon particles for both focused and wide-aperture beams. It has been experimentally confirmed that exothermic reactions prevail over other processes during ionization of the examined media..Примечания о наличии в документе библиографии/указателя: [References: 7 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | laser radiation | optical breakdown | plasma | pulse | ionization | intensity | carbon | chemical reactions Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 7 tit.]
An experimental setup and a technique for measuring the temperature and concentration of carbon and barium oxide particles in an ionized dispersed medium are described. It is shown that in a wide-aperture Nd laser beam at a wavelength of 1.06 µm with a pulse duration of ~1 ms, the ionization threshold of a carbon dispersed medium is lower than the ionization threshold of a focused beam. The ionization threshold is 5-10 times higher for the medium with barium oxide particles (with a low ionization potential) than for the medium with carbon particles for both focused and wide-aperture beams. It has been experimentally confirmed that exothermic reactions prevail over other processes during ionization of the examined media.
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