Couplers insertion loss is same as that of excess loss.

Related MCQs

• 2 dB along with a splice loss of 0.1 dB at the interconnection of each stage. Determine the excess loss.
• Optical fiber couplers are also called as
• How many types of multiport optical fiber couplers are available at present?
•                  couplers combine the different wavelength optical signal onto the fiber or separate the different wavelength optical signal output from the fiber.
• How many fabrication techniques are used for 3 port fiber couplers?
• Which is the most common method for manufacturing couplers?
• How many manufacturing methods are used for producing multimode fiber star couplers?
• A                            coupler comprises a number of cascaded stages, each incorporating three or four-port FBT couplers to obtain a multiport output.
• The insertion losses of the fiber splices are much less than the Fresnel reflection loss at a butted fiber joint.
• The measured output power at ports 2,3 and 4 are 0.003, 23.0 and 24.5 μW respectively. Determine the excess loss.