Which process gives the laser its special properties as an optical source?

Related MCQs

• An injection laser has active cavity losses of 25 cm-1and the reflectivity of each laser facet is 30%. Determine the laser gain coefficient for the cavity it has a length of 500μm.
• The thulium doped fiber laser when pumped with alexandrite laser output at 0.786 μm, the laser emits at
• Which of the following is not a property of Nd: YAG laser that enables its use as an optical fiber communication source?
• Which of the following is not a property of Nd: YAG laser that enables its use as an optical fiber communication source?
• 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.
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• A semiconductor laser crystal of length 5 cm, refractive index 1.8 is used as an optical source. Determine the frequency separation of the modes.
•  ____________________ lasers are presently the major laser source for optical fiber communications
• ____________________ lasers are presently the major laser source for optical fiber communications
•  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.