engineering recuitment GATE IN Test Series 2023-24 Mock Test Communication Systems Optical Sources and Detector LED
A GaAs LED emits peak power at 880 nm wavelength into an optical fibre with core refractive index 1.45 and cladding refractive index of 1.48. The optical loss in decibels relative to power emitted from LED is _____.
[Consider source to be Lambertion source]
Enter numerical value using the virtual keypad. Round off where necessary.