Q. Cut-back technique is destructive.

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Q. Which technology is used by the backscatter measurement method?

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Q. ________________ measurements checks the impurity level in the manufacturing process.

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Q. _____________ may be achieved by replacing the optical fibers with thin resistance wires.

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Q. A scattering cell consists of ______ square solar cells called as Tynes cell.

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Q. ___________ removes the light propagating in the cladding.

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Q. ___________ measurements give an indication of the distortion to the optical signals as they propagate down optical fibers.

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Q. The measurement of dispersion allows the _________ of the fiber to be determined.

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Q. How many types of mechanisms are present which produce dispersion in optical fibers?

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Q. Intermodal dispersion is nonexistent in ________ fibers.

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Q. In the single mode fibers, the dominant dispersion mechanism is ____________

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Q. Devices such as ___________ are used to simulate the steady-state mode distribution.

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Q. How many domains support the measurements of fiber dispersion?

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Q. The time domain dispersion measurement setup involves _____________ as the photo detector.

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Q. In pulse dispersion measurements, the 3dB pulse broadening for the fiber is 10.5 ns/km and the length of the fiber is 1.2 km. Calculate the optical bandwidth for the fiber.

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Q. Frequency domain measurement is the preferred method for acquiring the bandwidth of multimode optical fibers.

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Q. Intra-modal dispersion tends to be dominant in multimode fibers.

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Q. The detailed knowledge of the refractive index profile predicts the __________ of the fiber.

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Q. ______________ of the fiber is strongly dependent on the refractive index profile.

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Q. ______________ is required in case of graded index fibers.

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