PPT Slide

• I=I0 [sin(?/2)/(?/2)]2 (cos(?/2))2

• first minimum of diffraction envelope is at ?~50=5?/180 rads ?/2= ?asin?/?= ?

• a= ?/sin?= 5.048 ?m

• first maximum of interference pattern is at ?~1.250

• ?/2 = ? => d= ?/sin?= 20.2 ?m

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