The energy of a light beam is proportional to the square of its amplitude. Consider a light beam incident on a material at normal. (a) Determine the percentage of light energy reflected in air from a single surface separating a material of index 1.40 for light of 1 = 500 nm. (b) When deposited on glass of index 1.60, how thick should a film of this material be in order to reduce the reflected energy by destructive interference? (c) What is then the effective percent reflection from the film layer?
The energy of a light beam is proportional to the square of its amplitude. Consider a light beam incident on a material at normal. (a) Determine the percentage of light energy reflected in air from a single surface separating a material of index 1.40 for light of 1 = 500 nm. (b) When deposited on glass of index 1.60, how thick should a film of this material be in order to reduce the reflected energy by destructive interference? (c) What is then the effective percent reflection from the film layer?
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I need help with the question in the attached picture, please be detailed and neat with final solutions for parts a, b, and c
Transcribed Image Text:The energy of a light beam is proportional to the square of its amplitude. Consider a light beam incident
on a material at normal.
(a) Determine the percentage of light energy reflected in air from a single surface separating a material
of index 1.40 for light of 1 = 500 nm.
(b) When deposited on glass of index 1.60, how thick should a film of this material be in order to reduce
the reflected energy by destructive interference?
(c) What is then the effective percent reflection from the film layer?
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