Investigation of Special-Function Large-Angular Neutral Variable Density Disk

Wu Baoshen; Yang Shumei; Wei Pichang

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Investigation of Special-Function Large-Angular Neutral Variable Density Disk

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- Investigation of Special-Function Large-Angular Neutral Variable Density Disk
- Optics and Precision Engineering Vol. 0, Issue 5, Pages: 22-26(1992)
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- Published Online：15 October 1992，
  
  Published：15 October 1992
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吴宝申, 杨树梅, 卫丕昌. 特定函数—大角度中性变密度盘的研制[J]. 光学精密工程, 1992,(5): 22-26

Wu Baoshen, Yang Shumei, Wei Pichang. Investigation of Special-Function Large-Angular Neutral Variable Density Disk[J]. Editorial Office of Optics and Precision Engineering, 1992,(5): 22-26
吴宝申, 杨树梅, 卫丕昌. 特定函数—大角度中性变密度盘的研制[J]. 光学精密工程, 1992,(5): 22-26 DOI：

Wu Baoshen, Yang Shumei, Wei Pichang. Investigation of Special-Function Large-Angular Neutral Variable Density Disk[J]. Editorial Office of Optics and Precision Engineering, 1992,(5): 22-26 DOI：

摘要

特定函数-大角度中性变密度盘是一种新型的大动态范围的星仿真器件.它能把宇宙中星体微弱的光强模拟出来

并标定天空背景特性;它在一些重要领域有广泛的应用.研制过程中我们设计具有独创性的遮蔽机构在0°～330°的基片上使得光密度呈连续非线性变化

最大光密度274倍

最小光密度为0.01

使用波段(0.4～1.1)μm

且中性好

光密度随基片角度分布非线性度大.

Abstract

The special-function large-angular neutral variable density disk is a new type of star simulator with large dynamical scale

which can simulate the intensity of weak star in the sky and demarcate the characteristics of the universal background.It has been applied to some very important fields.During our investi- gation

we have designed a special shutter system

which made the light density continoua]ly variable within the range of 0—330° on the substrate with the maxium of 274 times and minimum of 0.01.Its facility region is 0.4—1.1μm with better neutral density and the large nonlinearity distribution with the angular variation of the subrtrate.

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