Effective Radius of Optical Array Array Configuration, 0.58905m, L=1m PSF Plot How to find the effective radius(reff) of the array? 0.5 Neff =the radius of the array thought as that of a monolithic 5 UV coverage plot x10 XImI 2 Elevation(rad]5-5 Azimuth (rad] =±x2-xy=±少 U-y coverage Encircled Energy =0.60006 x,y is any point within aperture R: the maximum radius of uv plot without any holes 0.5 R=0.5R 1 2 Fill Factor: the array's tota 0 x 10 collecting area over the area of a Elevation(rad)-5-5 Azimuth (rad) filled aperture with the same uv coverage( the same Reff) Chart: 10 16.684 Space Systems Product Development February 13, 2001 MIT Space Systems Laboratory16.684 Space Systems Product Development Chart: 10 February 13, 2001 MIT Space Systems Laboratory Effective Radius of Optical Array How to find the effective radius(Reff) of the array? • =the radius of the array thought as that of a monolithic aperture. • UV coverage plot x,y is any point within aperture • : the maximum radius of uv plot without any holes • • Fill Factor: the array’s total collecting area over the area of a filled aperture with the same uv coverage(the same Reff) u = ± x2 − x1 λ v = ± y2 − y1 λ Ruv Reff Reff = 0.5Ruv