Design of a High-NA Beam Splitter with 24000 Dots Random Pattern


Designing of high NA dot-projection system is of great practical use in the optical market. These dots distributed in a random way. That can be achieved by using a single beam splitter. Generally, the dot-distribution is in an equidistant grid in angle space (k--domain), which means that the dots propagates along predefined angular directions, while on a distorted grid in the detector plane in spatial domain. This use case shows how to design the phase plate of a single beam splitter to generate 24,000 dots random pattern with high NA.

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