0
837views
Distinguish between LED and LASER diode on the basis of - (i) Operating principle (ii) Switching time (iii) Spectral width (iv) Life
1 Answer
written 5.8 years ago by | • modified 5.8 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. |