What is a fundamental necessity in the fabrication of fibers for light transmission?

Related MCQs

• Conventional optical fibers has more transmission losses than photonic crystal fibers. State whether the statement is true or false.
• Which of the following is not a technique for fabrication of glass fibers?
• Plastic fibers are less widely used than glass fibers. State whether the statement is true or false.
• Intermodal dispersion in multimode fibers is minimized with the use of step-index fibers. State whether the given statement is true or false.
• Graded index fibers produced by liquid-phase melting technique are less dispersive than step-index fibers. State whether the given statement is true or false.
• Multimode graded index fibers have overall buffer jackets same as multimode step index fibers but have core diameters
• It is not important to cover these optical fibers required for transmission. State whether the given statement is true or false.
• Light incident on fibers of angles________the acceptance angle do not propagate into the fiber
• It is a device that distributes light from a main fiber into one or more branch fibers.
• Which materials are unsuitable for the fabrication of graded index fiber?