sum frequency

A blue green light with multi peak continues spectrum structure at 46 ￣ 560 nm generated by three wave sum frequency is also observed.

同时在460nm～560nm范围内有三波混频的兰绿光产生，其光谱呈多峰结构。

METHODS: To collect the amount and sum of money of drugs consumed in this hospital in the first halves of1999,2000 and2001 and to analyse the frequency of antibiotics used.

方法：统计我院1999年上半年、2000年上半年、2001年上半年所有药品的用量和消耗金额，并具体分析抗生素的用药频度。

Research on the relation of frequency sum to temperature in the four frequency RLG

四频激光陀螺和频与温度关系的研究

Nonlinear susceptibility tensor for the sum frequency generation is derived and validated in the second harmonic generation.

推导得出对于和频情况下的非线性极化张量的表达式，并应用于倍频情况进行了验证。

An LD-end-pumped Nd : YVO _ 4 crystal 593 nm yellow laser by intracavity sum-frequency mixing ( SFM ) is reported.

报道了LD纵向泵浦 Nd:YVO4 晶体,经腔内和频得到593 nm 激光输出的实验研究.

All-Solid-State Continuous-Wave Doubly Resonant All-Intracavity Sum-Frequency Mixing Cyan Laser at 500.8 nm

全固态复合式内腔和频500.8nm连续波青光激光器

On the basis of phase matching conditions of sum-frequency and frequency of three-wave coupled equations, analyze the feasibility of using double LBO to achieve the process of sum-frequency.

从和频三波耦合方程及其相位匹配条件出发，分析双LBO晶体和频的可行性。