Simple model:
Collimating a point source produces a nice output when reviewing incoherent results. However, the coherent results are not intuitive. Can somebody provide and explanation?
Incoherent Irradiance
Radiance (angular)
Coherent Irradiance
Coherent Phase
-B
Mark provides the answer… OPD is not computed for paraxial lenses.
Indeed so. But there is a simple workaround...the Sweatt lens. Make a model material of really high index, say 1000, and give it radii to achieve whatever focal length you want. The OPD can be calculated for this real lens (with a fictitious glass).
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