Use Eq. (4.42) and the power series expansion of the sine function to establish that at near-normal

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Use Eq. (4.42) and the power series expansion of the sine function to establish that at near-normal incidence we can obtain a better approximation than the one in Problem 4.45, which is [-rŠ¥]θi‰ˆ0= (n - 1)/(n + 1), namely,

sin (0; – 0,) [4.42] sin (0; + 0,)

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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