properties of optic fiber

In an optical fiber communication system, which among the following is not a typical transmitter function?

• a. Coding for error protection

• b. Decoding of input data

• c. Electrical to optical conversion

• Recoding to match output standard

Which among the following is provided by an optical receiver for the regeneration of data signal with minimum error?

• Photo-diode

• Signal Processing Circuits

• Linear Circuitry

• None of the above

For a sine wave, the frequency is represented by the cycles per ______

• Second

• Minute

• Hour

• None of the above

In single-mode fibers, how does the fraction of energy traveling through bound mode appear in the cladding?

• As a crescent wave

• As a gibbous wave

• As an evanescent wave

• All of the above

f a light travels in a certain medium and it gets reflected off an optically denser medium with high refractive index, then it is regarded as _______

• External Reflection

• Internal Reflection

• Both a and b

• None of the above

In an optical fiber, the concept of Numerical aperture is applicable in describing the ability of __________

• Light Collection

• Light Scattering

• Light Polarization

• Light Polarization

Which type of photonic crystal fiber exhibit/s its/their similarity to the periodic crystalline lattice in a semiconductor?

• Index guiding fiber

• Photonic bandgap fiber

• Both a and b

• None of the above

Which type of fiber optic cable has/have its/their core with the size of about 480 μm to 980 μm & made up of polymethylmethacrylate (PMMA)?

• Glass fiber optic cable

• Plastic fiber optic cable

• Plastic clad silica fiber optic cable

• All of the above

In multifiber cable system, which form of outer jacket/s consist/s of polyolefin compounds and are regarded as halogen free?

• OFNR

• OFNP

• LSZH

• All of the above

Which among the following represent/s the measure/s to minimize the inhomogenities for Mie scattering reduction?

• Extrusion Control

• Increase in relative R.I. difference

• Removal of imperfections due to glass manufacturing process

• All of the above