CAJ | 학술논문

利用单光束 Z 扫描技术研究了化学反应方法制备的银胶的非线性光学特性．在连续633 nm 激光激发下，银胶表现出很大的热致非线性折射率 n2．同时，计算了它的热光系数 dn／dT ．最后，从激光热效应方面讨论了其非线性效应起源．
이용단광속 Z 소묘기술연구료화학반응방법제비적은효적비선성광학특성．재련속633 nm 격광격발하，은효표현출흔대적열치비선성절사솔 n2．동시，계산료타적열광계수 dn／dT ．최후，종격광열효응방면토론료기비선성효응기원．
T he nonlinear optical properties of Ag colloid prepared by the chemical reaction method were investigated by a single beam Z‐scan technique .Under CW 633nm excitation ,the Ag colloid exhibited a large thermal‐induced refractive index n2 .At the same time ,the thermo‐op‐tic coefficients dn/dT of the Ag colloidal solutions was obtained .T he mechanism responsible for the process of nonlinear refraction was dis‐cussed in term of laser heating effect .