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Analysis of Imaging Systems: Wavefront Error and Effect of Apertures

[Tuesday, 25. September 2018]



Imaging systems can be found in various optical applications and they may appear in different configurations. Such systems can be easily setup in VirtualLab Fusion and their performance can be analyzed by using e.g. the wavefront error detector. Especially, the apertures in system is known to have an influence on the imaging quality. VirtualLab can handle the aperture effects properly and take them into consideration for the PSF/MTF calculation. As an example, such effects are demonstrated with a human eye model.

Wavefront Error Detector
Wavefront error is defined as the difference between the reference wavefront phase, which is a constant phase or spherical phase, and the detected wavefront phase of one optical system. This use case shows how to handle a wavefront error detector in VirtualLab Fusion.

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Advanced PSF and MTF Calculation of Imaging System
An imaging system consisting of a collimation objective and human eye is modeled, and by changing the illumination conditions, the cases with fully and partially illuminated apertures are investigated.

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