Q. A typically structured glass multimode step index fiber shows as variation of attenuation in range of ___________

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Q. Multimode step index fiber has a large core diameter of range is ___________

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Q. Multimode step index fibers have a bandwidth of ___________

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Q. Multimode graded index fibers are manufactured from materials with ___________

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Q. The performance characteristics of multimode graded index fibers are ___________

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Q. Multimode graded index fibers have overall buffer jackets same as multimode step index fibers but have core diameters ___________

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Q. Multimode graded index fibers with wavelength of 0.85 μm have numerical aperture of 0.29 have core/cladding diameter of ___________

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Q. Multimode graded index fibers use incoherent source only.

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Q. In single mode fibers, which is the most beneficial index profile?

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Q. The fibers mostly not used nowadays for optical fiber communication system are ___________

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Q. Single mode fibers allow single mode propagation; the cladding diameter must be at least ___________

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Q. A fiber which is referred as non-dispersive shifted fiber is?

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Q. Standard single mode fibers (SSMF) are utilized mainly for operation in ___________

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Q. Fiber mostly suited in single-wavelength transmission in O-band is?

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Q. When optical fibers are to be installed in a working environment, the most important parameter to be considered is?

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Q. It is not important to cover these optical fibers required for transmission.

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Q. Optical fibers for communication use are mostly fabricated from ___________

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Q. An Si-O bond with a Young’s modulus of 9*10¹⁰ nm⁻¹ have an elliptical crack of depth 7 nm. The surface energy is 2.29 J. Estimate fracture stress for silica fiber.

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Q. Calculate percentage strain at break for a Si-O bond with a fracture strength of 3.52*10¹⁰ nm⁻¹ and Young’s modulus of 9 *10⁹ nm⁻¹.

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Q. Stress corrosion must be considered while designing and testing optical fiber cables.

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