| Code |
Demo Name |
Description |
Reference |
Source |
| Shine a laser beam at a small ball and look at the diffraction pattern. | PIRA 200 - Old |
PIRA
|
| A laser beam is diffracted around balls. | 6C20.10 |
University of Minnesota Handbook
|
| A coin is placed between a pinhole and a screen. A small hole is punched in the screen in the shadow of the coin. While looking at the coin through the hole, a ring of light will be seen. | L-78  |
Sutton
|
| Arago's spot with a small lamp, telescope, and ball bearing over a 90' distance. | O-7f.3 |
Hilton
|
| Shine a diverging laser beam at a small ball bearing or round-headed pin. Observe the "bright spot" at the center of the shadow. | D&R, O-555 |
Dick and Rae
|
| A point source is used to illuminate a small ball. | Disc 23-05 |
The Video Encyclopedia of Physics Demonstrations
|
| A corridor demonstration using a flashlight bulb, a ball bearing and a small telescope. | AJP 36(4),ix |
American Journal of Physics
|
| The Poisson bright spot apparatus using white light is modified to obtain images of objects placed in the light path. | AJP 70(2), 169 |
American Journal of Physics
|
| Simple setup of a camera with the lens removed, an object and a flashlight bulb. | AJP 35(2),xix |
American Journal of Physics
|
| Project the shadow from a point source onto a translucent screen. | 35-3.5 |
Meiners
|
| Use a penny and a long light path. | AJP 44(1),70 |
American Journal of Physics
|
| PIRA 500 |
PIRA
|
| Diffraction of laser light around a razor edge, wires, small balls, etc. is viewed on a screen. | Ol-21 |
Freier & Anderson
|
| Diffraction of a divergent laser beam around a razor blade or needle. | D&R, O-530 |
Dick and Rae
|
| Slowly move a knife edge into a laser beam. | Disc 23-08 |
The Video Encyclopedia of Physics Demonstrations
|
| A list of recommended diffraction objects for use with laser beams. Pictures. | 36-5.2 |
Meiners
|
| Expand a laser beam to 1-3" and look at the diffraction pattern of large objects. A folded optical path brings the viewing screen close to the object. | AJP 38(3),348 |
American Journal of Physics
|
| Objects placed between a pinhole and a screen show striking diffraction patterns. | L-77 |
Sutton
|
| PIRA 500 |
PIRA
|
| 6C20.20 |
University of Minnesota Handbook
|
| Calculate the diameter of hair by measuring the diffraction fringes. | D&R, O-532 |
Dick and Rae
|
| Place a .22 mm diameter wire in a laser beam and measure the diameter by the diffraction pattern. Measurements can be taken from the video. | Disc 23-04 |
The Video Encyclopedia of Physics Demonstrations
|
| Put a hair in a laser beam. | AJP 45(4),404 |
American Journal of Physics
|
| Put a straight pin in the laser beam. | AJP 41(7),931 |
American Journal of Physics
|
| Use Babinet's principle to measure the diameter of a hair by the fringes. | AJP 42(5),412 |
American Journal of Physics
|
| PIRA 1000 |
PIRA
|
| A point source is placed behind a pair of needles. | Disc 23-06 |
The Video Encyclopedia of Physics Demonstrations
|
| PIRA 500 |
PIRA
|
| 6C20.30 |
University of Minnesota Handbook
|
| As a laser beam is stopped down to a region of constant intensity, the Airy diffraction rings will appear. | 36-7.1 |
Meiners
|
| A laser beam passes through a pinhole in aluminum foil. | D&R, O-550 |
Dick and Rae
|
| A laser passes through a pinhole in aluminum foil. Data can be taken from the video. | Disc 23-07 |
The Video Encyclopedia of Physics Demonstrations
|
| The Fraunhofer diffraction pattern of a triangular aperture is predicted by an argument very similar to that used for a single slit. | AJP 42(8),696 |
American Journal of Physics
|
| View the diffraction pattern of square holes or
the center of a double edged razor blade.
| D&R, O-530 |
Dick and Rae
|
| Uniform circular holes salvaged from non-aerosol
hair spray bottles give distortion free circular
fringes.
| TPT 34(6), 382 |
The Physics Teacher
|
| PIRA 1000 |
PIRA
|
| Use a photographic zone plate lens with an expanded laser beam. | Ol-23 |
Freier & Anderson
|
| A program to produce zone plates on a laser printer with discussion of limitations and applications. | AJP 59(2),158 |
American Journal of Physics
|
| A aluminum sheet with concentric rings that can be removed and replaced in various configurations is sized to work with a microwave transmitter. | Ol-22 |
Freier & Anderson
|
| Circular apertures are cut in aluminum sheets to simulate zone plates. | 33-7.14 |
Meiners
|
| A 12 cm microwave Fresnel zone demonstration. | O-7i.2 |
Hilton
|
| The design of three varieties of microwave zone plates for 12 cm waves and lecture room use. | AJP 30(1),55 |
American Journal of Physics
|
| Students hold a razor blade close to the eye so as to cut off part of an arc lamp. | L-74 |
Sutton
|
| A 5 m long box holds a permanent diffraction setup. | L-76 |
Sutton
|
| An array of 25 small holes is projected to give parallel light beams which are used with slits and apertures to give patterns on the wall. | 35-3.4 |
Meiners
|
| An image of a slit is blocked by a vertical rod. When a feather is placed between the lens and slit, light is scattered by diffraction onto the screen. | L-75 |
Sutton
|
| If the laser beam is expanded, diffraction patterns can be projected directly onto the bare videcon tube. | AJP 50(10),949 |
American Journal of Physics
|
PIRA Bibliography >> OPTICS >> DIFFRACTION >> Diffraction Around Objects 47 items
