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Keywords: Airy Pattern Intensity and Encircled Power.svg Airy pattern <math>I \theta I_0 \left \frac 2 J_1 ka \sin \theta ka \sin \theta \right 2 I_0 \left \frac 2 J_1 x x \right 2</math> <math>P \theta P_0 1 - J_0 2 ka \sin \theta - J_1 2 ka \sin \theta </math> own Inductiveload 2009-03-04 Mathematica Code <pre><nowiki> encircledPowerx_ 1 - BesselJ0 x 2 - BesselJ1 x 2; airyPatternx_ 2 BesselJ1 x/x 2; Plot airyPatternx encircledPowerx x 0 11 </nowiki></pre> Airy disks |