© 2002 J.Paul
Robinson, Purdue University BMS 631- Flow Cytometry lecture002.ppt

Page 25

Interference

Constructive

Interference

Destructive

Interference

0o

90o

180o

270o

360o

Wavelength

Here we have a phase difference of 180o (2p
radians) so the waves cancel each
other out

The frequency does not change, but the amplitude is doubled