New pattern material with high refractive (NMHR) can be extracted by the absolute alcohol fractional precipitation, of which the most constituents are higher fullerenes.
本文采用在氩气氛条件下高温裂解芳香烃G的方法,成功制备了富含多种高碳富勒烯的烟炱,用9:1的甲苯/无水乙醇混合溶剂对其进行索式萃取,再用无水乙醇分步沉析法提取分离出主要成分为高碳富勒烯的新型高折射材料(NMHR)。
Study on performance of high refractive index and photochromic glasses;
高折射率光色玻璃性能的研究
The results indicated a set of high refractive index glasses could be obtained by introduction of BaO and TiO_2,and the density,refractive index,Abbe number and transmission of the glass with various BaO/TiO_2 ratio based on the content of SiO_2 in 15%,12%,10%(in mass) were measured respectively.
在SiO2质量百分含量分别为15%、12%、10%时,改变BaO/TiO2的比值,得到一组高折射率光学玻璃。
High refractive index glass beads for TiO_2-BaO-SiO_2 system were prepared.
以TiO2-BaO-SiO2系统为高折射率玻璃微珠的玻璃系统,采用X射线衍射、梯度炉、光学显微镜等测试手段探讨了玻璃微珠的析晶、成型方法和折射率的测定方法。
Based on conventional method of fabricating gratings with high refractive index medium, a new accurate and convenient method is proposed.
在已有的高折射率介质制栅方法的基础上提出了一种新的制作超高频全息光栅的方法，该方法制栅准确、简单、方便，其特点是所制光栅的频率与激光波长及介质的折射率无直接关系，而是等于制栅光路所得频率与两倍母栅频率之和。
A high refractive index material was taken as interval and twelve λ/4 layers was used.
针对唐晋发、郑权老师在《应用薄膜光学》一书中介绍的采用低折射率材料做间隔层,用16个λ/4层完成红外双半波滤光片的设计方法制作的薄膜易发生断裂,该文给出该膜系另一种设计计算方法,即采用高折射率材料做间隔层,用12个λ/4完成膜系设计。