MCQOPTIONS
Bookmark
Saved Bookmarks
→
Optical Communication
→
Intermodal Dispersion in Optical Communication
→
How many types of sources of optical light are ava..
1.
How many types of sources of optical light are available?
A.
One
B.
Two
C.
Three
D.
Four
Answer» D. Four
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
Considering the values given below, calculate the mode separation in terms of free space wavelength for a laser. (Frequency separation = 2GHz, Wavelength = 0.5 μm)
An injection laser has active cavity losses of 25 cm-1 and the reflectivity of each laser facet is 30%. Determine the laser gain coefficient for the cavity it has a length of 500μm.
A ruby laser has a crystal of length 3 cm with a refractive index of 1.60, wavelength 0.43 μm. Determine the number of longitudinal modes.
__________________ in the laser occurs when photon colliding with an excited atom causes the stimulated emission of a second photon.
An incandescent lamp is operating at a temperature of 1000K at an operating frequency of 5.2×1014 Hz. Calculate the ratio of stimulated emission rate to spontaneous emission rate.
The frequency of the absorbed or emitted radiation is related to difference in energy E between the higher energy state E2 and the lower energy state E1. State what h stands for in the given equation?
A device which converts electrical energy in the form of a current into optical energy is called as ___________
A_RUBY_LASER_HAS_A_CRYSTAL_OF_LENGTH_3_CM_WITH_A_REFRACTIVE_INDEX_OF_1.60,_WAVELENGTH_0.43_‚ÂÀ√≠¬¨‚À´M._DETERMINE_THE_NUMBER_OF_LONGITUDINAL_MODES.?$#
Doppler broadening is a homogeneous broadening mechanism. State whether the given statement is true or false.$
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.$
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply