Amplified Spontaneous Emission on Sodium D-lines Using Nonresonant Optical Pumping / T. D. Petukhov, G. S. Evtushenko, E. N. Telminov
Уровень набора: Atmospheric and Oceanic Optics, Scientific JournalЯзык: английский.Страна: .Резюме или реферат: We describe experiments on the excitation of amplified spontaneous emission on the D-lines of sodium (D2 = 588.9 nm; D1 = 589.6 nm) with longitudinal optical pumping with a large detuning from the D2 line toward shorter wavelengths. The radiation spectra are measured, showing gain on both lines, at a Na concentration of (1-5) × 1014 cm-3, buffer gas (helium) pressure of 600 Torr at the working temperature, and pumping power density of more than 1.5 MW/cm2. The time characteristics show that the output radiation varies versus the concentration of sodium atoms in the active medium. The dependences of radiation absorption at the D-lines of sodium on the concentration of Na atoms and buffer gas pressure are given..Примечания о наличии в документе библиографии/указателя: [References: p. 105 (15 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | активные оптические системы | спонтанное излучение | щелочные металлы | оптическая накачка | active optical system | amplified spontaneous emission | alkaline metals | sodium optical pumping Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: p. 105 (15 tit.)]
We describe experiments on the excitation of amplified spontaneous emission on the D-lines of sodium (D2 = 588.9 nm; D1 = 589.6 nm) with longitudinal optical pumping with a large detuning from the D2 line toward shorter wavelengths. The radiation spectra are measured, showing gain on both lines, at a Na concentration of (1-5) × 1014 cm-3, buffer gas (helium) pressure of 600 Torr at the working temperature, and pumping power density of more than 1.5 MW/cm2. The time characteristics show that the output radiation varies versus the concentration of sodium atoms in the active medium. The dependences of radiation absorption at the D-lines of sodium on the concentration of Na atoms and buffer gas pressure are given.
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