| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 6D20.00 | Gratings | | |
| 6D20.10 | number of slits | PIRA 200 | Shine a laser beam through various numbers of slits with the same spacing. |
| 6D20.10 | Cornel plate - gratings | 6D20.10 | |
| 6D20.10 | number of slits | Ol-10 | A laser is directed through various numbers of slits with the same spacing. |
| 6D20.10 | multiple slit interference | Disc 23-12 | Pass a laser beam through three sets of multiple slits on the Cornell slide. |
| 6D20.11 | project course grating | L-85 | A course grating is placed between an illuminated slit and the projection lens. A fine grating must be placed near the screen. |
| 6D20.12 | grating in air and water | AJP 52(1),77 | Measure the pattern of a laser beam incident on a diffraction grating placed inside an empty aquarium and with it full of water. |
| 6D20.13 | which side has the gratings? | TPT 28(2),98 | Wet one surface of the grating with alcohol and if it is the grating side, the intensity of the diffraction maxima decrease. |
| 6D20.15 | gratings and laser | PIRA 500 | |
| 6D20.15 | gratings and laser | 6D20.15 | |
| 6D20.20 | projected spectra with grating | PIRA 500 | |
| 6D20.20 | projected spectra with grating | 6D20.20 | White light, mercury, and sodium sources are passed through 300 and 600 lines per mm gratings. |
| 6D20.20 | interference gratings | Disc 23-13 | Shine a white light beam through gratings of 3000, 4000, and 6000 lines/cm. |
| 6D20.25 | student gratings and carousel | ref | see 7B10.10. |
| 6D20.26 | measure wavelength with a grating | TPT 2(2),85 | Look through a grating at a line source and measure the distance to the source and the angle of the lines. |
| 6D20.28 | beer can spectroscope | AJP 41(7),932 | Drink the beer, tape a replica grating over the hole, cut a slit in the bottom. |
| 6D20.28 | film canister spectroscope | TPT 28(5),343 | Make a slit in the cover of a film canister and place a grating over a hole in the bottom made with a #2 cork bore. |
| 6D20.30 | grazing incidence diffraction | 35-3.7 | Grazing incidence on a very course grating produces minute path differences. |
| 6D20.31 | measuring wavelength with a ruler | AJP 33(11),922 | A laser is diffracted at grazing incidence off the rulings of a steel scale. |
| 6D20.31 | measuring wavelength with a ruler | 36-4.6 | Diffraction of a laser beam by grazing incidence on a machinists rule. |
| 6D20.32 | compact disk grating | AJP 59(4),367 | Information on the pit and grove sizes and an example setup. |
| 6D20.35 | wire diffraction gratings | AJP 41(5),730 | Reconstruction of Fraunhofer's original gratings made of #42 wire at 80/inch. |
| 6D20.40 | dispersion and resolving power | AJP 54(8),735 | A discussion of the distinction between dispersion and resolving power of a grating. |
| 6D20.42 | gratings and minimum deviation | AJP 38(3),382 | On
the advantages of using diffraction gratings at the angle of minimum deviation
instead of the position of perpendicular incidence. |
| 6D20.45 | first order gratings | AJP 30(2),106 | Gratings
that produce only one order either side of the central maximum are made by
photographing Fraunhofer diffraction fringes. |
| 6D20.46 | Babinet's principle - 2D | AJP 39(1),123 | Carefully
drawn black spots on white paper are photographically reduced and the positive
and negative copies are used as complementary arrays. |
| 6D20.47 | Babinet's principle | AJP 39(1),122 | A technique for constructing complementary gratings for demonstrating Babinet's principle. |
| 6D20.50 | crossed gratings and laser | PIRA 500 | |
| 6D20.50 | crossed gratings and laser | 6D20.50 | Same as Ol-13. |
| 6D20.50 | crossed gratings | Ol-13 | Two gratings are crossed and placed in a laser beam. |
| 6D20.52 | crossed gratings in smoke box | AJP 39(10),1271 | A laser and crossed gratings in a smoke box. Discusses patterns from skew beams. |
| 6D20.53 | diffraction grating and laser | 36-5.3 | Show the beams coming out of the grating at angles by grazing the blackboard or using a cylindrical lens. |
| 6D20.55 | two dimensional gratings and laser | PIRA 500 | |
| 6D20.55 | two dimensional grating | L-79 | View an automobile headlamp through a small square of silk. |
| 6D20.56 | regular and irregular patterns | PIRA 1000 | |
| 6D20.56 | regular and irregular patterns | 6D20.56 | |
| 6D20.56 | regular and irregular patterns | AJP 37(9),871 | Use a computer to generate regular and irregular arrays of the same aperture and photo reduce them to make diffraction plates. |
| 6D20.56 | hole gratings | AJP 53(3),227 | A source for hole gratings of several spacings, sizes, and arrangements. |
| 6D20.57 | optical crystal set | AJP 42(2),91 | Seven
sequences of four 2x2 slides used to in the simple Laue approach to diffraction
by crystals. Winner of the 1973 AAPT apparatus competition. |
| 6D20.58 | optical simulation of electron diffr | AJP 53(3),237 | Generate
and reduce dot patterns that generate patterns with laser light that are
similar to various electron diffraction patterns. |
| 6D20.59 | random multiple gratings | PIRA 1000 | |
| 6D20.61 | water droplets | AJP 41(5),714 | Exhale on clean glass. |
| 6D20.62 | red blood cells | L-80 | Look through a drop of blood on a microscope slide at a point source or project onto a screen from a point source. |
| 6D20.63 | dust on the mirror | AJP 35(3),xxii | Dust a bathroom mirror and hold a small light as close to the eye as possible. |
| 6D20.63 | lycopodium powder diffraction | 35-3.6 | A
collimated beam of white light is passed through a glass dusted with lycopodium
powder giving a maximum at 50 cm with a 60' throw. |
| 6D20.64 | scatter light interference | AJP 46(11),1193 | How to make a scatter plate with a speckle diameter of 3 microns. |
| 6D20.70 | ultrasonic wave diffraction | 35-3.10 | Light is diffracted by ultrasonic waves in a liquid. |
| 6D20.75 | speckle spots and random diffraction | 36-4.7 | The
sparkling of a spot illuminated by a laser beam on the wall is caused by
random interference patterns caused by scattered light. |
| 6D20.76 | speckle patterns in arc light | AJP 41(6),844 | Speckle patterns can also be seen in arc lamp light. The patterns disappear as the object is brought closer to the arc. |
| 6D20.76 | speckle patterns in unfiltered sun | AJP 40(1),207 | Speckle patterns from sunlight scattered by a diffusing surface are common. Train yourself to see them. |
| 6D20.80 | reconstruction of diffraction patter | AJP 40(11),1693 | Reconstruct
the image of a light source by viewing its diffraction pattern through a
similar grating placed in front of the camera lens. |
| 6D20.85 | Fabry-Perot "multiple slit" | AJP 43(12),1054 | An adjustable "multiple slit" interference pattern can be shown with a Fabry-Perot interferometer. |