Problem 8 :We wish to coat a flat slab of glass (n-1.5) with a transparent material (n-1.25) so that light of wavelength o20nm (in vacuum) incident normally is not reflected. What should be the minimum thickness of the coating? Air=1 Glass=1.5 Film= 1.25 -L- 111

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter36: Applications Of The Wave Model
Section: Chapter Questions
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Problem 8
1.5) with a
:We wish to coat a flat slab of glass (n
transparent material (n-1.25) so that light of wavelength
02onm (in vacuum) incident normally is not reflected. What
should be the minimum thickness of the coating?
Air=1
Glass=1.5
Film=
1.25
111
Transcribed Image Text:Problem 8 1.5) with a :We wish to coat a flat slab of glass (n transparent material (n-1.25) so that light of wavelength 02onm (in vacuum) incident normally is not reflected. What should be the minimum thickness of the coating? Air=1 Glass=1.5 Film= 1.25 111
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