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２０６驰豫与谱线宽度罗毅（西北大学物理系西安７１００６９）本文介绍了包括纵向驰豫，横向驰豫以及交叉驰豫在内的各类驰豫过程的基本概念，驰豫时间的定义以及它在光频电场二能级系统作用方程中的作用，从辐射的机理出发、讨论了与辐射有关的各类驰豫过程和萤光谱线线...
206 Relaxation and Spectral Line Width LUO Yi (Department of Physics, Northwest University, Xi’an 710069) This paper introduces the basic concepts of various relaxation processes including longitudinal relaxation, lateral relaxation and cross-relaxation, the definition of relaxation time and Its role in the optical frequency electric field two level system role equation, starting from the radiation mechanism, discussed with the radiation related to various types of relaxation process and fluorescence line ...