6 Optics

Crossed Gratings & Laser

Catalog: 
6D20.50
Location: 
Ga3
A laser beam passes throught two crossed gratings of various types.

Arago's (Poisson's) spot

Laser and Lens.
Catalog: 
6C20.10A
Location: 
Ga3
Shine a diffused laser beam at a small sphere or disk. The projected image shows Argo's spot.

Shadows - Video

Catalog: 
6A02.15A
Location: 
3_1
Video Encyclopedia :Cast shadows with a point source.

Rainbow Sticks

demonstration image
Catalog: 
6A46.26
Location: 
Fb2
Rainbow sticks are used as a model to show sunlight reflects and then refracts to make the colors and shape of the rainbow.

Location of image - Video

Catalog: 
6A10.60A
Location: 
3_1
Video Encyclopedia :Place a sheet of glass between a burning candle and a glass of water so the image of the candle appears in the glass.

Bichsel boxes - Video

demonstration image
Catalog: 
6B40.20
Location: 
3_1
Video Encyclopedia :Two black boxes have blacker appearing holes in them. One box actually is painted white inside.

Angle of incidence, reflection - Video

Catalog: 
6A10.11
Location: 
3_1
Video Encyclopedia :Aim a beam of light at a mirror at the center of a disc, rotate the disc.

Rainbow disc - Video

demonstration image
Catalog: 
6A46.30
Location: 
3_1
Video Encyclopedia :A single beam is used with a spherical glass element on an optical board to show the path of refracted light that produces a rainbow.

Mirror box - Video

Catalog: 
6A10.65
Location: 
3_1
Video Encyclopedia :Two people look into opposite ends of a box containing a half silvered mirror in the center. As the light on one end is dimmed, the light on the other brightens, causing metamorphosis.

Infrared in spectrum - Video

demonstration image
Catalog: 
6B40.41
Location: 
3_1
Video Encyclopedia :Hold a thermopile connected to a galvanometer in different parts of a spectrum.

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