Devices based on quaternary PbSnSeTe and their ternary compounds, emit – McqOptions

MCQOPTIONS

1.	Devices based on quaternary PbSnSeTe and their ternary compounds, emit at wavelength ?
A.	Between 3-4 ‚âà√≠¬¨‚à´m
B.	Longer than 4 ‚âà√≠¬¨‚à´m
C.	Between 3.5 to 4.2 ‚âà√≠¬¨‚à´m
D.	Between 2 to 3 ‚âà√≠¬¨‚à´m
Answer» C. Between 3.5 to 4.2 ‚âà√≠¬¨‚à´m

Discussion

No Comment Found

Related MCQs

An MQW cascaded laser is more advantageous because of ___________
In QC lasers, it is possible to obtain different output signal wavelengths. This can be achieved by ___________
A QC laser is sometimes referred as ___________
The phenomenon resulting in the electrons to jump from one state to another each time emitting of photon is known as ___________
In a QC laser, a same electron can emit number of photons.
A technique based on inter-sub band transition is known as ___________
The diode-cladding-pumped Erbium praseodymium-doped fluoride device operates at wavelength.
The thulium doped fiber laser when pumped with alexandrite laser output at 0.786 μm, the laser emits at ___________
Lasing obtained in __________ when 191 mW of pump light at a wavelength of 0.477 μm is launched into laser.
Devices based on quaternary PbSnSeTe and their ternary compounds, emit at wavelength?