. A decibel may be defined as the ratio of input and output optical power for a particular optical wavelength. State whether the following statement is true or false.

Related MCQs

• A combination of a FBG and optical isolators can be used to produce non-blocking optical wavelength division add/draw multiplexers. 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.
• The active layer composition must be adjusted if a particular center wavelength is desired.State whether the given statement is true or false.
• ________ couplers combine the different wavelength optical signal onto the fiber or separate the different wavelength optical signal output from the fiber.
•  For many applications which involve optical fiber transmission, an intensity modulation optical source is not required. State whether the given statement is true or false.
• A planar LED is fabricated from GaAs is having a optical power emitted is 0.018% of optical power generated internally which is 0.018% of optical power generated internally which is 0.6 P. Determine external power efficiency.
• The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ. State whether the given statement is true or false.
• Stress corrosion must be considered while designing and testing optical fiber cables. State whether the given statement is true or false.
• Stress corrosion must be considered while designing and testing optical fiber cables. 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