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The transmissivity, T, of a transparent material 20 mm thick to normally incident light is 0.88. If the index of refraction of this material is 1.6, compute the thickness of material that will yield a transmissivity of 0.73. All reflection losses should be considered. The first step in calculating the thickness for this problem is to calculate the reflectivity. What is R, the reflectivity? R What is 3, the absorption coefficient, in mm ¹? B= i mm-1

The transmissivity, T, of a transparent material 20 mm thick to normally incident light is 0.88. If the index of refraction of this material is 1.6, compute the thickness of material that will yield a transmissivity of 0.73. All reflection losses should be considered. The first step in calculating the thickness for this problem is to calculate the reflectivity. What is R, the reflectivity? R What is 3, the absorption coefficient, in mm ¹? B= i mm-1

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The transmissivity, T, of a transparent material 20 mm thick to normally incident light is 0.88. If the index of refraction of this material is 1.6, compute the thickness of material that will yield a transmissivity of 0.73. All reflection losses should be considered. The first step in calculating the thickness for this problem is to calculate the reflectivity. What is R, the reflectivity? R= What is 3, the absorption coefficient, in mm ¹? B = i 1 = i What is the required thickness, I, in mm? mm-1 i mm
Transcribed Image Text:The transmissivity, T, of a transparent material 20 mm thick to normally incident light is 0.88. If the index of refraction of this material is 1.6, compute the thickness of material that will yield a transmissivity of 0.73. All reflection losses should be considered. The first step in calculating the thickness for this problem is to calculate the reflectivity. What is R, the reflectivity? R= What is 3, the absorption coefficient, in mm ¹? B = i 1 = i What is the required thickness, I, in mm? mm-1 i mm
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