In this paper the model of two level atomic momentum spread in amplitude modulated standing light wave was investigated.
分析了二能级原子在振幅调制驻波场中动量扩散模型。
Based on the traditional flowmeter , a new type flowmeter is fablicated utilizing the features of the fiber2optic in fluid , in which the amplitude , phase or frequence of the light may be modulated.
利用光纤在流体中光的强度、相位、频率等受流量调制的特性，在传统流量传感器的基础上，可以制得新型的光纤流量传感器。
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