Optical Fiber Waveguides » Exercise - 16. The operation of the fiber-optic cable is based on the principle of : (a) refraction (b) reflection (c) dispersion (d) absorption
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 - 12. The refractive index of the core region is always ……… that of the cladding region. (a) greater than (b) less than (c) equal to (d) none of the above