Abstract

A new interferometric particle imaging (IPI) simulator is developed based on Fourier optics. With this model, the optical field distribution of any kind of IPI setup at any location, such as on the focused and the defocused image planes, can be easily generated. In addition, the geometric center of a particle image and the image of the particle center on focused and defocused image planes can then be assessed in detail with the IPI simulator by the optical ray tracing method. The size effect of the defocused image is investigated, and the new expression of the calculated defocused image size is given, which can produce higher accuracy in particle locating.

© 2019 Optical Society of America

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