Chapter 37Serway & Jewett 6th Ed.

Fig 37-7b, p.1184

Phase and Coherence

Fig 37-16a, p.1189

At the boundarythe displacementmust be zero!

Fig 37-16a, p.1189

At this interface, the parallel component of the E field mustvanish otherwise charges will be accelerated!

Fig 37-3, p.1179

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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 S1 and S2, first maximumis shifted up or down between of the sign of the shift.

Young’s Double Slit Interferometer

Phasor Addition

add as vectors

Example: Five Fields

MICHELSONINTERFEROMETER

TWYMAN-GREENINTERFEROMETER

Reflection from Surface

phase shift when ninc < nrefrac!

no phase shift when ninc < nrefrac!

FABRY-PEROT INTERFEROMETER