Oral Presentation for physics

Oral Presentation for physics - StorageMedia MeredithThomas...

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Click to edit Master subtitle style  9/19/11 Diffraction from Optical  Storage Media Meredith Thomas
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 9/19/11 Diffraction  is a fancy word for scattering,  and occurs when a wave encounters an  obstacle. Diffraction Grating  is an optical  component with a periodic structure, which  splits and diffracts light into several beams  travelling in different directions. The  directions of these beams depend on the  spacing of the grating and the wavelength  of the light so that the grating acts as the  dispersive element.
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 9/19/11 Diffraction  grating
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 9/19/11 The closely spaced  tracks on a CD or DVD  act as a diffraction  grating to form the  familiar rainbow  pattern seen when  looking at a disk. This lab calculated the  spacing between the  tracks of a CD and a  DVD by using media as  diffraction gratings.
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 9/19/11 Procedure
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