Q.1
Which is the most common method for manufacturing couplers?
  • wavelength division multiplexing
  • lateral offset method
  • semitransparent mirror method
  • fused bi-conical taper (fbt) technique
Q.2
How many fabrication techniques are used for 3 port fiber couplers?
  • one
  • two
  • three
  • four
Q.3
couplers combine the different wavelength optical signal onto the fiber or separate the different wavelength optical signal output from the fiber.
  • 3-port
  • 2*2-star
  • wdm
  • directional
Q.4
How many types of multiport optical fiber couplers are available at present?
  • two
  • one
  • four
  • three
Q.5
It is a device that distributes light from a main fiber into one or more branch fibers.
  • optical fiber coupler
  • optical fiber splice
  • optical fiber connector
  • optical isolator
Q.6
Optical time domain reflectometry is also called a backscatter measurement method.
  • false
  • true
Q.7
A large-area photodiode is utilized in the receiver to eliminate any effects from differing fiber and faces.
  • true
  • false
Q.8
may be used for measurement of the absolute optical attenuation on a fiber link.
  • silicon photodiodes
  • ingaasp photodiodes
  • optical power meters
  • gyrators
Q.9
Which sensors are used for alteration of spectral range in equipment?
  • wide-area photodiodes
  • circulators
  • gyrators
  • photogenic sensors
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