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用于冷却和俘获原子的激光器要求窄线宽和稳定性好。为了满足要求 ,在实验上我们使用的半导体激光器采用主振荡器———功率放大 (Ｍａｓｔｅｒ -ｏｓｃｉｌｌａｔｏｒｐｏｗｅｒａｍｐｌｉｆｉｅｒ :ＭＯＰＡ)式单频半导体激光器ＴＡ10 0 (德国Ｔｏｐｉｃａｓ)。我们采用饱和
Lasers used to cool and trap atoms require narrow linewidths and good stability. In order to meet the requirements, experimentally we use the semiconductor laser using the main oscillator --- power amplifier (Master-oscillator power amplifier: MOPA) single-frequency semiconductor laser TA10 0 (Germany Topicas). We use saturation