Unformatted text preview: direction and drops off exponentially as it penetrates the less dense medium. Calculate the decay coefficient of evanescent field when incident angles from your chosen crown and flint glasses to air are 70 ° and 80 ° , respectively. (v) Use any software to plot the transmitted fields along the z axis in the range of z=0 to 10 wavelengths. Summarize what you learned from the results. (vi) Compare the results with those when the refractive index of less dense material is 1.33 (glass-water interface). 3. Problem 3.15 and 3.19 on page 83. 4. Problem 4.44 and 4.45 on page 145....
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- Spring '11
- Snell's Law, 0°, Total internal reflection, 30°, 70°