Sharp bends or micro bends causes significant losses in fiber.

Related MCQs

• In pulse dispersion measurements, the 3dB pulse broadening for the fiber is 10.5 ns/km and the length of the fiber is 1.2 km. Calculate the optical bandwidth for the fiber.
• Optical fibers suffer radiation losses at bends or curves on their paths.
• The insertion losses of the fiber splices are much less than the Fresnel reflection loss at a butted fiber joint.
• A fiber which is referred as non- dispersive shifted fiber is?
• An optical fiber has a core radius 2μm and a numerical aperture of 0.1. Will this fiber operate at single mode at 600 nm?
• A single mode fiber has mode field diameter 10.2μm and V=2.20. What is the core diameter of this fiber?
• In a multimode fiber, much of light coupled in the fiber from an LED is
•                  couplers combine the different wavelength optical signal onto the fiber or separate the different wavelength optical signal output from the fiber.
• How the potential macro bending losses can be reduced in case of multimode fiber?
• Propagation losses in slab and strip waveguides are smaller than the single mode fibre losses.