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Solution: Determine the maximum angle θ for which the light rays incident on the end of the light pipe shown in the figure above are subject to total internal reflection along the walls of the pipe. The pipe of diameter 4.27 μm has an index of refraction of 1.22 and the outside medium is air. 1. 65.0828 2. 27.2747 3. 67.1814 4. 63.1211 5. 48.5904 6. 54.5798 7. 36.0065 8. 71.9894 9. 69.4603 10. 44.3353

Problem

Determine the maximum angle θ for which the light rays incident on the end of the light pipe shown in the figure above are subject to total internal reflection along the walls of the pipe. The pipe of diameter 4.27 μm has an index of refraction of 1.22 and the outside medium is air.

1. 65.0828

2. 27.2747

3. 67.1814

4. 63.1211

5. 48.5904

6. 54.5798

7. 36.0065

8. 71.9894

9. 69.4603

10. 44.3353