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.

Silver soot ball - Video

demonstration image
Catalog: 
6A44.55
Location: 
3_1
Video Encyclopedia :A ball coated with soot appears silver in water.

Parallel mirrors - Video

Catalog: 
6A10.45
Location: 
3_1
Video Encyclopedia :Place objects between parallel mirrors and view them over one of the mirrors.

Fresnel lens - Video

demonstration image
Catalog: 
6A65.70B
Location: 
3_1
Video Encyclopedia :Fresnel lens magnification. Animation showing construction of a Fresnel lens.

Light in a vacuum - Video

Catalog: 
6A02.10
Location: 
3_1
Video Encyclopedia :Place a flashing light in a bell jar to emphasis the point.

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.

Shadows - Video

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

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