Worksheetsroc quiz2
Total questions: 10
Worksheet time: 6mins
In the structure of fiber, the light is guided through the core due to total internal ______
Reflection
Refraction
Diffraction
Dispersion
For a photo-diode with responsivity of 0.50 A/W & optical power of about 12μw, what would be the value of generated photocurrent?
3 μa
6 μa
9 μa
12 μa
Which kind/s of misalignment assist/s in the reduction of overlap region in fiber?
Angular
Longitudinal
Lateral
All of the above
Which among the following results in the removal of LED lens interface for achieving high coupling efficiency?
Answer C
Spherical lens
Cylindrical lens
Integral lens LED
All of the above
9. Which component of an optical receiver is a linear frequency shaping filter used for the compensation of signal distortion and Inter Symbol Interference (ISI)?
Photodetector
Amplifier
Equalizer
None of the above
While coupling of leds with fiber, on which factor/s does the size of source and lighting angle generated within the semiconductor depend/s?
Geometry of die
Refractive index of semiconductor
Encapsulation Medium
All of the above
Which among the following is a key process adopted for the laser beam formation as it undergoes the light amplification?
Spontaneous Emission
Stimulated Emission
Both a and b
None of the above
A fiber which is referred as non-dispersive shifted fiber is
Coaxial cables
Standard single mode fibers
Standard multimode fibers
Non zero dispersion shifted fibers
In the fiber optic link, power transfer from one fiber to another and from fiber to detector must take place with _________coupling efficiency.
maximum
stable
minimum
unpredictable
Which kind of dispersion phenomenon gives rise to pulse spreading in single mode fibers?
Intramodal
Intermodal
Material
Group Velocity
