Currently, CD players use a laser diode producing light with a wavelength of 780 nm. The index of refraction of the

Question

Currently, CD players use a laser diode producing light with a wavelength of 780 nm. The index of refraction of the polycarbonate plastic layer is 1.55. If blue laser light with a wavelength of 475 nm were to be used, by what amount would the depth of the pits in the CD surface need to be changed? [A=3]

Kunduz · Accepted Answer

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