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Author:
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Year:
Volume:
Issue:
guo wai guang xue cai liao de fa zhan
Author(s):
LIU Zuohua
Pages:
5
-
7
Year:
1984
Issue:
2
Journal:
Optical Technique
Keyword:
梯度折射率材料
;
梯度折射率纤维
;
光学系统
;
光学零件
;
光学材料
;
全息透镜
;
自聚焦透镜
;
曲率半径
;
分辨率
;
连续变化
;
Abstract:
<正> 一、梯度折射率材料在一般的光学系统中,要求每个光学零件的折射率是均匀的,就一定的波长而言,折射率是个常数,在设计光学零件时,通过改变光学零件的曲率半径、厚度等尺寸来满足光学系统的要求。近几年来,国外出现了一种折射率连续变化的材料,即将光学玻璃、塑料、锗和硒化锌等,用中子照射法、化学汽相淀积法、聚合法、
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