Using the setup of Fig. 9.14, where the second lens has a focal length of f, determine an expression (in terms of f, , and

Using the setup of Fig. 9.14, where the second lens has a focal length of f, determine an expression (in terms of f, λ, and a) for the separation between the centers of the first minima above and below the central axis.

Fig 9.14

h V F Paraxial focus