Dominant intrinsic loss mechanism in low absorption window between ultraviolet and infrared absorption tails is

Related MCQs

• An alternative modification of the dispersion characteristics of single mode fibers involves achievement of low dispersion gap over the low-loss wavelength region between –
• The effects of intrinsic absorption can be minimized by-
• The intrinsic loss through a multimode fiber joint is independent of direction of propagation. State whether the given statement is true or false
• A number of three-port single-mode fiber couplers are used in the fabrication of a ladder coupler with 16 output ports. The three-port couplers each have an excess loss of 0.2 dB along with a splice loss of 0.1 dB at the interconnection of each stage. Determine the excess loss.
• Couplers insertion loss is same as that of excess loss. State whether the given statement is true or false.
• Which thing is more dominant in making a fiber function as bidirectional optical amplifier?
• A particular GaAs fiber has a Fresnel reflection magnitude of 17.6% i.e. 0.176. Find the power loss between the source and 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)
• Doppler broadening is a homogeneous broadening mechanism. State whether the given statement is true or false.
• The semiconductor lasers employing the distributed feedback mechanism are classified in _________________ categories