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23 Nov 2019

a material having and index of refraction of 1.30 is used as an anti-reflective coating on a piece of glass (n=1.50). what should the minimum thickness of the thin film be to minimize reflection of 500-nm light

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

1) An Antireflective coating on glass uses a very thin layer of material with an index of refraction smaller than that of the glass (Index of refraction 1.5). How thin is "very thin"? calculate the minimum thickness of the coating for an index of refraction of 1.33.

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We wish to coat a flint glass lens with an anti-reflecting (AR) coating such that visible light (500 nm = 0.500 m) is not reflected from the surface of the lens. MgF2 (with an index of 1.38) is usually the best material for the AR coating due to its low cost and intermediate index of refraction when compared with flint glass (n = 1.7). How thick should this coating be for 500 nm to experience the least amount of reflection.

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