It is a device that distributes light from a main fiber into one or more branch fibers.

Related MCQs

• If the input power 100μW is launched into 6 km of fiber, the mean optical power at the fiber output is 2μW. What is the overall signal attenuation through the fiber assuming there are no connectors or splices?
• Light incident on fibers of angles________the acceptance angle do not propagate into the fiber
• Two joined graded index fibers that are perfectly aligned have refractive indices αR=1.93for receiving fiber αE= 2.15 for emitting fiber. Calculate the coupling loss
• . When the input and output power in an optical fiber is 120μW & 3μW respectively and the length of the fiber is 8 km. What is the signal attenuation per km for the fiber?
• In a GaAs LED, compute the loss relative to internally generated optical power in the fiber when there is small air gap between LED and fiber core. (Fiber coupled = 5.5 * 10-4Pint)
• Conventional optical fibers has more transmission losses than photonic crystal fibers. State whether the statement is true or false.
• An inclusion of one or more structural members in an optical fiber so as to serve as a cable core foundation around which the buffer fibers may be wrapped is called _____________
• The optical fiber incurs a loss in signal power as light travels down the fiber which is called as
• In a multimode fiber, much of light coupled in the fiber from an LED is
• Plastic fibers are less widely used than glass fibers. State whether the statement is true or false.