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Distinguish between LED and LASER diode on the basis of - (i) Operating principle (ii) Switching time (iii) Spectral width (iv) Life

written 7.1 years ago by teamques10 ★ 70k

•   modified 5.8 years ago

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written 7.0 years ago by teamques10 ★ 70k

•   modified 7.0 years ago

PARAMETERS	LED	LASER
Operating principle	Spontaneous Emission	Stimulated Emission
Switching time	Switching time is slow	Switching time is fast.
Spectral width	Broad output spectrum.	Narrow output spectrum.
Life	Life time is more.	Life time is less.

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