lecture30 - Physical Optics Ch 37 and 38 Physical Optics Ch...

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Unformatted text preview: Physical Optics Ch 37 and 38 Physical Optics Ch 37 and 38 Physical Optics Physical Optics Light is an electromagnetic wave. Wave properties: Diffraction wave bends around corners, spreads out from narrow slits I nterference waves from two or more sources interfere Electr omagnetic Waves Electr omagnetic Waves Usually we keep track of the electric field E : amplitude all v B E , , E B E o ) sin( ) , ( t kx t x - = o E E v The Electr omagnetic The Electr omagnetic Spectr um Spectr um (m) f (Hz) 300 10 6 3 10 8 3 x 10-3 10 11 3 x 10-6 10 14 7 x 10-7 5x10 14 4 x 10-7 3 x 10-9 10 17 3 x 10-12 10 20 Radio TV Microwave I nfrared Visible Ultraviolet X rays rays I nfrared 780 nm Red Yellow 600 nm Green 550 nm Blue 450 nm Violet 380 nm Ultraviolet I nfrared 780 nm Red Yellow 600 nm Green 550 nm Blue 450 nm Violet 380 nm Ultraviolet Visible-Light Visible-Light Spectrum Spectrum Coherent sources are sources that have a constant phase difference between them.difference between them....
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This note was uploaded on 01/13/2011 for the course PHYSICS Physics 1E taught by Professor Venus during the Winter '03 term at McMaster University.

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lecture30 - Physical Optics Ch 37 and 38 Physical Optics Ch...

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