Optics > Interference > Two Source Interference
DCS# 6D10.41
FRESNEL BIPRISM
APPARATUS
Fresnel biprism
202-21-B5
laser
202-21-B6
ground glass
202-21-D4
video camera
202-09-C4
DESCRIPTION
Shine laser beam onto biprism a few centimeters away. Project pattern onto a ground glass screen a couple of meters away. Display the pattern using the video camera with iris stopped down.
REFERENCE
TPT 13, 413-414 (1975).