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wen yu da
Author(s): 
Pages: 20-21
Year: Issue:  6
Journal: Optical Technique

Keyword:  光学零件加工过程成象质量校正质量加工精度几何轴物镜框屋脊棱镜同心度工艺因素;
Abstract: <正> 问:光学仪器的象质与光学零件加工过程中哪些工艺因素有关? 如何解决? 答:影响光学仪器成象质量的因素很多,光学设计的不合理、光学材料不合格、光学零件加工精度以及最后的装配校正质量等都会影响象质。这里仅以光学零件在加工过程中工艺因素的影响及克服方法作一介绍。1.零件在抛光后,N和△N超差,特别是△N超差带来较大象散,△N所引起的光程差小,整个系统成象光程差不超过λ/4时,不
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