Diffraction efficiency of random binary-amplitude diffracting screens.
The diffraction characteristics of random binary-amplitude diffracting screens are investigated. It is shown that, for such a random diffracting screen with complex amplitude transmittance t equal to either 0 or 1, the diffraction efficiency of the screen is maximized when 50% of the screen has transmittance t = 1, independent of other characteristics of the screen. The maximum diffraction efficiency equals ¼. For this result to hold the screen must be adequately modeled by a stationary binary random process.
W T
WT
Rhodes
M S
MS
McMeekin