1) What is/ are the consequence/s of Self Phase Modulation in non-linear optics?
a. Modification in pulse spectrum
b. Limited transmission rate
c. Dispersion effect
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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2) Which reason/s is/are responsible for the occurrence of non-linear Cross Phase Modulation (XPM)?
a. Difference in transmission phase of peak pulse & leading or trailing edges of pulse
b. Third-order optical non-linearity
c. Intensity dependence of refractive index
d. All of the above
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Answer
Explanation
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ANSWER: Intensity dependence of refractive index
Explanation:
No explanation is available for this question!
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3) The macroscopic bending losses show an exponential increase due to ________ in radius of curvature.
a. Increase
b. Decrease
c. Stability
d. None of the above
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Answer
Explanation
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ANSWER: Decrease
Explanation:
No explanation is available for this question!
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4) Which type of scattering occurs due to interaction of light in a medium with time dependent optical density variations thereby resulting into the change of energy (frequency) & path?
a. Stimulated Brilliouin Scattering (SBS)
b. Stimulated Raman Scattering (SRS)
c. Mie Scattering
d. Rayleigh Scattering
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Answer
Explanation
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ANSWER: Stimulated Brilliouin Scattering (SBS)
Explanation:
No explanation is available for this question!
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5) In Rayleigh scattering of light in glass, at which type of temperature does the glass attain the state of thermal equilibrium and exhibits its relativity to annealing temperature?
a. Junction
b. Fictive
c. Breakdown
d. Decomposition
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Answer
Explanation
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ANSWER: Fictive
Explanation:
No explanation is available for this question!
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6) Assuming no ISI, the maximum possible bandwidth of a multimode graded index fiber with 5 MHz, shows the total pulse broadening of 0.1s for the distance of about 12km. What would be the value of bandwidth length product?
a. 40 MHz
b. 60 MHz
c. 90 MHz
d. 120 MHz
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Answer
Explanation
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ANSWER: 60 MHz
Explanation:
No explanation is available for this question!
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7) Which among the following is regarded as an inelastic scattering of a photon?
a. Kerr Effect
b. Raman Effect
c. Hall Effect
d. Miller Effect
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Answer
Explanation
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ANSWER: Raman Effect
Explanation:
No explanation is available for this question!
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8) In Kerr effect, induced index change has its proportionality with respect to _________
a. square of electric field
b. cube of electric field
c. cube root of electric field
d. one-fourth power of electric field
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Answer
Explanation
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ANSWER: square of electric field
Explanation:
No explanation is available for this question!
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9) Which among the following represent/s the measure/s to minimize the inhomogenities for Mie scattering reduction?
a. Extrusion Control
b. Increase in relative R.I. difference
c. Removal of imperfections due to glass manufacturing process
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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10) During the design of FOC system, which among the following reasons is/are responsible for an extrinsic absorption?
a. Atomic defects in the composition of glass
b. Impurity atoms in glass material
c. Basic constituent atoms of fiber material
d. All of the above
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Answer
Explanation
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ANSWER: Impurity atoms in glass material
Explanation:
No explanation is available for this question!
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