碘密度对COIL激光频率的影响
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摘要: 假设处于碘原子同一电子能级的不同超精细子能级上的粒子处于热平衡状态，推导了化学氧碘激光器（COIL）中增益系数在饱和状态附近的表达式，分析了稳定激光振荡谱线的中心频率随碘密度变化的定性规律。Abstract: The formula of COIL sign gain is derived approximately under the saturation conditions, in case that particles o ccupying the hyperfine sublevels of each electric level are at thermal equilibri um. The rule that the COIL central transition frequencies change with the iodine density is also achieved by using this formula. Related analysis results and discussion are given.
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Key words:
- saturation conditions /
- sign gain /
- coil
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