GRIN-rod lens connectors have loss characteristics which are independent of the modal power distribution in the fiber. State whether the given statement is true or false.

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?
• The insertion losses of the fiber splices are much less than the Fresnel reflection loss at a butted fiber joint. State whether the given statement is true or false.
• Sapphire ball lens expanded beam design is successful than spherical lens coupled design. State whether the given statement is true or false.
• The intrinsic loss through a multimode fiber joint is independent of direction of propagation. State whether the given statement is true or false
• Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. State whether the given statement is true or false
• The fiber is positioned at the ________ of the lens in order to obtain a collimated beam and to minimize lens-to-lens longitudinal misalignment effects.
• In a three level system, the threshold power decreases inversely with the length of the fiber gain medium. State whether the given statement is true or false.
• In a three level system, the threshold power decreases inversely with the length of the fiber gain medium. State whether the given statement is true or false.
• If a particular optical power is coupled from an incoherent LED into a low-NA fiber, the device must exhibit very high radiance . State whether the given statement is true or false.
• Couplers insertion loss is same as that of excess loss. State whether the given statement is true or false.