22 June 2013 Stress optical path difference analysis of off-axis lens ray trace footprint
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Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 87692K (2013) https://doi.org/10.1117/12.2019054
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore
Abstract
The mechanical and thermal stress on lens will cause the glass refractive index different, the refractive index of light parallel and light perpendicular to the direction of stress. The refraction index changes will introduce Optical Path Difference (OPD). This study is applying Finite Element Method (FEM) and optical ray tracing; calculate off axis ray stress OPD. The optical system stress distribution result is calculated from finite element simulation, and the stress coordinate need to rotate to optical path direction. Meanwhile, weighting stress to each optical ray path and sum the ray path OPD. The Z-direction stress OPD can be fitted by Zernike polynomial, the separated to sag difference, and rigid body motion. The fitting results can be used to evaluate the stress effect on optical component.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ming-Ying Hsu, Ming-Ying Hsu, Chia-Yen Chan, Chia-Yen Chan, Wei-Cheng Lin, Wei-Cheng Lin, Kun-Huan Wu, Kun-Huan Wu, Chih-Wen Chen, Chih-Wen Chen, Shenq-Tsong Chan, Shenq-Tsong Chan, Ting-Ming Huang, Ting-Ming Huang, } "Stress optical path difference analysis of off-axis lens ray trace footprint", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87692K (22 June 2013); doi: 10.1117/12.2019054; https://doi.org/10.1117/12.2019054
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