Sin&=S1/x | tgB=(1/2) *x/d | S1=2*d*sin&*tgB | S2=2d/cosB | deltaR= S2*n – S1*1= 2d*n/cosB – 2*d*sin& (sinB/cosB) = 2d/cosB*(n-sin&sinB) | deltaR = 2d/cosB (n-sin&*sin&/n)= 2d(n2 – sin2&/pierwiastek(n2-sin2&)) | d = deltaR/2*pierwiastek(n2-sin2&) | next & = lambda| 2dn=(m+1/2)& prazek ciemny | 2dnolej=((m+1)+1/2)&1 |2dnolej=(m+1/2)&2 | m&1 +3/2&1 –m&2 -1/2&2 = 0 | m= (1/2)&2-3/2&1 // &1-&2 = 3&1-&2/2*(&1 -&2) |next | tg01=y1/L | tg02=y2/L |asin0=m*& | a*(y1/L)=1*& | a*(y2/L)=2*& | deltaY=y2-y1=2L&/a-L&/a = L&/a= | next | a=b/x | delta0=02-01= m/a(&2-&1)=