What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 566 nm light? The i
ndex of refraction of the coating material is 1.46 and the index of the glass is 1.71.
1 answer:
Answer:
The thickness is 
Explanation:
From the question we are told that
The wavelength is 
The index of refraction of glass is 
The index of refraction of the coating is 
Generally the condition for destructive interference is

Here m is the order of the interference pattern and given from the question that we are considering minimizing reflection m = 0
t = thickness of the coating
substituting values

=> 
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