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本文报道了石英玻璃的非线性极化及其光学测量的全过程．研究了外电场对极化作品二阶非线性的影响．并用铁电极化模型作了一些理论分析．
This paper reports the whole process of nonlinear polarization and optical measurement of quartz glass. The influence of external electric field on the second-order nonlinearity of polarized work is studied. And made some theoretical analysis with ferroelectric polarization model.