Chapter 37 Serway & Jewett 6 th Ed.

Fig 37-7b, p.1184 Phase and Coherence

Fig 37-16a, p.1189 At the boundary the displacement must be zero!

Fig 37-16a, p.1189 At this interface, the parallel component of the E field must vanish otherwise charges will be accelerated!

Fig 37-3, p.1179

11/03/04 Light Interference Water Interference Electron Interference

Fig 37-4a, p.1179  = 0 First Maximum

Fig 37-4c, p.1179  =  First Zero

Fig 37-4b, p.1179  = 2  Second Maximum

Fig 37-4a, p.1179  = 0 +  First Maximum When relative phase shift between S 1 and S 2, first maximum is shifted up or down between of the sign of the shift.

Young’s Double Slit Interferometer

Phasor Addition add as vectors

Example: Five Fields

MICHELSON INTERFEROMETER

TWYMAN-GREEN INTERFEROMETER

Reflection from Surface  phase shift when n inc < n refrac ! no  phase shift when n inc < n refrac !

FABRY-PEROT INTERFEROMETER