Different environmental conditions from the effects of repetitive fixed focus lens of long focal distance

Yuan Quan; Lin Zhang; Huan Ren; Yi Yang; Zhen-dong Shi; Hua Ma; Ke Ma; Yu-rong Ma; Xiao-xuan Feng

doi:10.1117/12.2245567

27 September 2016 Different environmental conditions from the effects of repetitive fixed focus lens of long focal distance

Yuan Quan, Lin Zhang, Huan Ren, Yi Yang, Zhen-dong Shi, Hua Ma, Ke Ma, Yu-rong Ma, Xiao-xuan Feng

Author Affiliations +

Proceedings Volume 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment; 96841L (2016) https://doi.org/10.1117/12.2245567
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

In many long focal distance lens focal length detection method, laser confocal combined focal length measurement with ultra high focusing accuracy, more and more attention and application. The accurate measurement of the distance between the lens focus and the focus in the measurement process is the key to improve the accuracy of the whole measurement. By repeating the measurement of focal distance under different environmental conditions, the results of repeated measurements of influenced by the environmental conditions. The results show that air disturbance is the measurement repeatability factors having the greatest impact, for better use of the equipment and in the equipment development research foundation laid the foundation.

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Yuan Quan, Lin Zhang, Huan Ren, Yi Yang, Zhen-dong Shi, Hua Ma, Ke Ma, Yu-rong Ma, and Xiao-xuan Feng "Different environmental conditions from the effects of repetitive fixed focus lens of long focal distance", Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 96841L (27 September 2016); https://doi.org/10.1117/12.2245567

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KEYWORDS

Environmental sensing

Distance measurement

Mirrors

Confocal microscopy

Temperature metrology

Laser applications

Moire patterns

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