Fig. 9.16. Spot diagrams for selected wavelengths and field angles of//4 beam through ADC
with minimum dispersion. See the text for prism parameters and discussion.
putting a slight curvature on the interface between the zero-deviation units. For
this example, putting a radius of curvature of
5
m on each of the oiled contact
surfaces gives the through-focus patterns shown in Fig. 9.18. The first prism pair
of the ADC is a weak converging lens and the secon ...
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