1. For the antireflective coating shown in the figure, how thick should the coating be to destructively interfere the incoming light and the reflected light (off the front of the glass) and why? Assume the light has a wavelength in air of 533 nm (green). 2. What would the intensity be for 400 nm light and why? (Remember: intensity goes as the electric field squared!) 3. What other wavelengths will completely destructively interfere and why?
1. For the antireflective coating shown in the figure, how thick should the coating be to destructively interfere the incoming light and the reflected light (off the front of the glass) and why? Assume the light has a wavelength in air of 533 nm (green). 2. What would the intensity be for 400 nm light and why? (Remember: intensity goes as the electric field squared!) 3. What other wavelengths will completely destructively interfere and why?
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1. For the antireflective coating shown in the figure, how thick should the coating be to destructively interfere the incoming light and the reflected light (off the front of the glass) and why? Assume the light has a wavelength in air of 533 nm (green).
2. What would the intensity be for 400 nm light and why? (Remember: intensity goes as the electric field squared!)
3. What other wavelengths will completely destructively interfere and why?
Transcribed Image Text:Coating of some
thickness, n = 1.33
Glass, n = 1.5
Air, index of
refraction n = 1.00
Light coming in
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