利用热自相位调制测量折射率随温度的变化。
Measurement of refractive index change with temperature using thermal self-phase modulation.
作者信息
Kohanzadeh Y, Ma K W, Whinnery J R
出版信息
Appl Opt. 1973 Jul 1;12(7):1584-7. doi: 10.1364/AO.12.001584.
PMID:20125568
Abstract
The thermal self-phase modulation effect, arising when a laser beam passes through absorbing materials, is used to measure the product of absorption coefficient and dn/dT (change of refractive index with temperature). By adding a dye so that absorption coefficient is readily measured, the value of dn/dT may be found. The advantages and disadvantages of the method are discussed, with results for several liquids given and experiments on the effects of the added dye.
摘要
当激光束穿过吸收性材料时产生的热自相位调制效应，被用于测量吸收系数与dn/dT（折射率随温度的变化）的乘积。通过添加一种染料以便易于测量吸收系数，就可以求出dn/dT的值。文中讨论了该方法的优缺点，给出了几种液体的测量结果以及关于添加染料效果的实验。
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