One of the most effective and feasible ways of broadening the range of the output wavelength is using frequency conversion of non-linear Crystal under the condition of phase matching.
拓宽激光输出波长的范围最常用最有效的方法之一是利用非线性晶体在相位匹配条件下的频率变换技术。
Put forward a new approach which describe the relationship of resistance-temperature conversion for common thermo-resistance in terms of BP networks has the characteristic of non-linear.
利用BP网络具有任意逼近非线性函数和内插值特性，提出一种实现常用热电阻阻值-温度变换的新方法。
KDP (Potassium Dihydrogen Phosphate, it is shorting KH2PO4) crystal is a non-linear optical material used for laser frequency conversion and electrooptic modulators.
简写KH2PO4晶体作为一种优质的非线性光学材料目前广泛应用于激光频率转换器的电光开关中。
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