Show that a plano-convex lens with a spherical refractive surface of radius R and diameter D forms a perfect image of an infinitely distant point at its focus for 1 R n 4√ λ √2(n-1)³ Hint: apply Rayleigh's 1/4 wave of optical path difference criterion. 2 (f-number) ² >
Show that a plano-convex lens with a spherical refractive surface of radius R and diameter D forms a perfect image of an infinitely distant point at its focus for 1 R n 4√ λ √2(n-1)³ Hint: apply Rayleigh's 1/4 wave of optical path difference criterion. 2 (f-number) ² >
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Transcribed Image Text:Show that a plano-convex lens with a spherical refractive surface of radius R and
diameter D forms a perfect image of an infinitely distant point at its focus for
1 R
n
4√ √2(n-1)³
Hint: apply Rayleigh's 1/4 wave of optical path difference criterion.
(f-number) 2 >
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