Hello everyone,
My goal is to reduce the number of diffractive zones on my lens surface, shown below.
Surface Type: Binary2.
I modified the Normalization Radius value. But while optimizing I want to fix the number of diffactive zones.
Any comment or idea on this?
I’ll be appreciated.
Best answer by Mark.Nicholson
View original
+3
The number of zones will be set by the maximum phase excursion. Have a look at the SPHS and DPHS operands to control the phase of the surface.
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