1. A Nicol prism consists of a calcite crystal cut into two halves. 2. At each end of the tube is a Nicol prism or other polarizer. 3. Another important application of Canada balsam is in the construction of the Nicol prism . 4. The projectors used Nicol Prisms for polarization. 5. Nicol prisms were once widely used in microscopy and Polaroid sheets and Glan Thompson prisms.6. William Nicol ( 1770 1851 ) invented the first polarizing prism, using Iceland spar to create his Nicol prism . 7. By 1826, he was already using the integer polarized light, using the then-new Nicol prism as a polarizer. 8. When light passes through a Nicol prism its vibrations in all directions except the direction of axis of the prism are cut off. 9. A "'Nicol prism "'is a type of polarizer, an optical device used to produce a polarized beam of light. 10. The tube was closed by glass at its ends, and was filled with carbon bisulphide or water, and the liquid was between two nicol prisms .
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