The principle is simple light from a source here we

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Unformatted text preview: sketched in Fig. (1). The principle is simple. Light from a source — here we use a laser — reflects off the rotating mirror and travels a long distance to a fixed retroreflector. It travels back the way it came, to the rotating mirror, which in the meantime has rotated through a small angle δ . The return beam reflects off the rotating mirror, but because the mirror has moved it does not get reflected back to the source. Instead it will be displaced by a small amount. Varying the rotation speed of the mirror changes this displacement. The speed of light can be determined from measurements 1 ÔÔÖÓÔÖ Ø Û Ý Ò Û ØÓ ÔÓ× Ø ÓÒ Ø Ð Ò× Ò ÓÖ Ö ØÓ ÓÔØ Ñ Þ Ø ¬Ò Ø ÓÒ Ó Ø ×ÔÓØ ÖÓÑ Ø Ö ØÙÖÒ Ò Ñº ÓÙ Û ÐÐ ÔÖÓ ÐÝ ¬Ò Ø ÓÒÚ Ò ÒØ ØÓ ÔÓ× Ø ÓÒ ×Ñ ÐÐ Ô Ó Ô Ô Ö ÓÒ Ø ÖÓÒØ Ó Ø Ð × Ö ØÓ Ø × × Ö Òº ÓÙ Û ÐÐ Ð×Ó Ò ØÓ Ø Ò ÓÙØ ÓÛ ØÓ Ù× Ø Ô ÓØÓ Ø ØÓÖ Ò Ø Ó× ÐÐÓ× ÓÔ ØÓ Ñ ×ÙÖ Ø Ò ÙÐ Ö Ú ÐÓ ØÝ Ó Ø Ñ ÖÖÓÖº Ã...
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This note was uploaded on 02/13/2014 for the course PHYS 3900 taught by Professor Drqchen during the Winter '14 term at Memorial University.

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