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27 September 2016 The optomechanical analysis of high-accuracy mesh design in optical transmission components
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This paper presents the optomechanical analysis of the thermal effect by the finite difference method (FDM) in refraction optical components. The incident rays through the FDM elements, the temperature, or the stress in the ray path are estimated by weighting. The weighting will introduce some error in the calculated optical path difference (OPD) and bring some high-frequency aberration into the optical simulation; therefore, the mesh design process must consider the optical ray path footprint. The incident and emergence rays’ footprints are associated at the lens surface by Patran software; those associated footprints will add into the mesh point at the lens surface. The incident rays separate into several sections; each section can find its nearest grid point in the lens FDM mesh. Thus, moving the nearest grid point to the incident ray section can reduce the weighting or interpolation error in OPD calculations. The calculation results can evaluate the thermal or stress effect in optical transmission components more accurately.
Conference Presentation
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Ming-Ying Hsu, Shenq-Tsong Chang, and Ting-Ming Huang "The optomechanical analysis of high-accuracy mesh design in optical transmission components", Proc. SPIE 9953, Optical Modeling and Performance Predictions VIII, 99530D (27 September 2016);

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