engineering recuitment GATE ECE 2023-24 Test Series Electromagnetic Theory Waveguides and Guided Waves Optical Fiber
Light pulses propagate through a fiber cable with an attenuation of 0.3 dB/km. The fiber has core diameter of 100 μm. The core and cladding refractive indices are 1.6 and 1.57 respectively. The number of modes that the fiber can propagate at a wavelength of 1 μm is _________.
Enter numerical value using the virtual keypad. Round off where necessary.