Q. The shadow velocity is given by 0.4 μm μs⁻¹ and shadow pulse of width 300 μs is registered at an instant by the photodetector. Determine the outer diameter of the optical fiber in μm.

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Q. The techniques used to determine the refractive index profile can also be used to determine the core diameter.

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Q. ____________ affects both the fiber attenuation and dispersion.

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Q. Which of the following is not included in the optical fiber link measurement test?

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Q. In case of field measurements, the equipment must have ___________ power consumption keeping in mind the battery operation.

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Q. Which of the following are not considered as environmental conditions required for field measurements?

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Q. Complicated and involved fiber connection arrangements should be _________ in case of field measurements.

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Q. Which of the following cannot be used in equipment for field measurements?

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Q. Which sensors are used for alteration of spectral range in equipment?

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Q. The handheld optical power meter has a measurement accuracy of ________

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Q. _____________ may be used for measurement of the absolute optical attenuation on a fiber link.

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Q. A large-area photodiode is utilized in the receiver to eliminate any effects from differing fiber and faces.

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Q. Optical time domain reflectometry is also called a backscatter measurement method.

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