Demonstrations Search

M1 Interference and Diffraction - Slits and Gratings

This section contains demonstrations of a variety of one- and two-dimensional linear diffraction and interference effects.

M1-01: LASER DIFFRACTION - FIXED SINGLE SLIT
Demonstrate single slit diffraction.
M1-02 LASER DIFFRACTION - VARIABLE SINGLE SLIT
Demonstrates single slit diffraction
M1-04: LASER DIFFRACTION - WIRES
Show diffraction by wires of different size.
M1-05: FINGERS AND SODIUM SOURCE - VARIABLE SINGLE SLIT
See single slit diffraction.
M1-06: LASER DIFFRACTION - HUMAN HAIR
Demonstrate laser diffraction with a human hair.
M1-11 LASER DIFFRACTION - FIXED DOUBLE SLITS
Demonstrates double slit interference
M1-12: INTERFERENCE - TRANSPARENCIES
Analog to the interference pattern from two identical light sources.
M1-13: INTERFERENCE - KLINGER TRANSPARENT SLIDES
Model interference between two point sources.
M1-14: MICROWAVES - INTERFERENCE OF TWO POINT SOURCES
Demonstrate interference using microwaves.
M1-15: MICROWAVES - YOUNG'S DOUBLE SLIT INTERFERENCE
Illustrate two-slit interference using microwaves.
M1-16: INTERFERENCE OF LIGHT - SOUND WAVE MODEL
Show explicitly how two waves with the same amplitude and frequency will interfere when their relative phase changes.
M1-21: LASER DIFFRACTION - MULTIPLE SLITS
Show the transition from one slit to multiple slits and the diffraction grating.
M1-22: LASER DIFFRACTION - GRATINGS
Demonstrate diffraction (well, actually interference) by a grating.
M1-32: SLITFILMS AND LONG FILAMENT BULB
Diffraction and interference by various slits and combinations of slits.
M1-33: LASER DIFFFRACTION - PHONOGRAPH RECORD
Demonstrate interference of a laser beam by a type of grating.
M1-34: LASER DIFFRACTION - COMPACT DISC
Demonstrate interference of a laser beam by a type of grating.
M1-35: LASER DIFFRACTION - VIDEODISC
Demonstrate diffraction of a laser beam by a standard videodisc.
M1-41: PEACOCK FEATHER
Demonstrate a type of iridescence.
M1-42: IRIDESCENT GREEN JUNE BEETLE
Demonstrate a type of iridescence.