ƒÃr1=2, ƒÃr2=1
ƒÆi=35.3‹ (Brewster Angle)

(“üŽË”g, “§‰ß”g)	(”œŽË”g, “§‰ß”g)	(“üŽË”g+”œŽË”g, “§‰ß”g)