Optical Fiber Waveguides » Exercise - 15. The numerical aperture of a fiber if the angle of acceptance is 15 degrees, is : (a) 017 (b) 0.26 (c) 0.50 (d) 0.75
Optical Fiber Waveguides » Exercise - 1 1. Light incident on fibers at angles ……… the acceptance angle do not propagate into the fiber. (a) Less than (b) greater than (c) equal to (d) none of them
Introduction to Optical Fiber » Exercise - 19. If a mirror is used to reflect light, the reflected light angle is ……. as the incident angle. (a) smaller (b) larger (c) the same (d) independent