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INDEX F5 : POLARIZATION


F5.01 PROPERTIES OF POLAROID

Show that polaroid causes polarization of light and can be used to test for polarization.

F5.02 SCOTCH TAPE POLARIZATION

Glass plates with varying thicknesses of cellophane tape are placed between two polaroids, producing various colors. As the analyzer is rotated, the colors change.

F5.03 KARO SYRUP POLARIZATION

Karo Syrup is poured into a beaker placed between two pieces of Polaroid. As the height of the Syrup changes, different colors are produced.

F5.04 POLARMOTION

When a disk of Polaroid is rapidly rotated above specially prepared sheets, the figures on the sheets appear to move.

F5.05 STRESS ANALYSIS BY POLARIZATION

A piece of plastic displays colors when placed between two pieces of Polaroid. As the stress on the plastic is varied, the colors change.

F5.06 SCATTERING

White light shines through a fish tank with non-dairy creamer added to the water. Viewed from the side, the light appears blue-ish while the shadow on the screen appears reddish.

F5.07 BREWSTER'S ANGLE

A laser beam is reflected off glass. A piece of polaroid is used to test the reflected beam as the angle of incidence is varied. When the angle of incidence is equal to Brewster's Angle, the reflected beam will disappear.

F5.08 CALCITE WITH WHITE LIGHT

Shows the existence of double refraction in calcite and that the beams are differently polarized.

F5.09 CALCITE WITH LASER

Similar to F5.05 except using laser light.

F5.10 BARBER POLE

Polarized light passes through a 4' column of optically active sugar water producing a helix of color which rotates as the plane of polarization is rotated.

F5.11 OPTICAL ACTIVITY BOX

Polarized light passes through Karo syrup which contains glass obstacles and through a rotating analyzer. A changing pattern of colors is produced.

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