腔内激光光谱学

V. M. Baev, I. N. Sarkisov, E. A. Sviridenkov, A. F. Suchkov
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引用次数: 12

摘要

研究了最灵敏的吸收光谱测量技术——宽带腔内激光光谱的主要特点。研究了影响盲法灵敏度的因素,并给出了达到最大灵敏度的条件。描述了ILS方法的主要实际应用,如弱吸收光谱的检测和低气体浓度的测量,放大光谱和外辐射光谱分布的登记,非线性过程截面的测量,放电瞬态过程的研究,以及多阶段化学反应动力学的研究。
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Intracavity laser spectroscopy
The main features of broadband intracavity laser spectroscopy (ILS), the most sensitive technique of absorption-spectrum measurements, is investigated. The factors that limit the sensitivity of the ILS method are studied, and the conditions for reaching its maximum sensitivity are formulated. The main practical applications of the ILS method are described, such as detection of weak absorption spectra and measurements of low gas concentrations, registration of amplification spectra and of the spectral distribution of external radiation, measurement of the cross sections for nonlinear processes, investigation of transient processes in an electric discharge, and investigation of the kinetics of multistage chemical reactions.
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Intracavity laser spectroscopy High-power neodymium-glass waveguide laser Motion of a large solid particle of arbitrary shape in the field of a plane monochromatic electromagnetic wave Photophoretic motion of moderately large aerosol particle Laser annealing of semiconductors
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