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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
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| written 6.9 years ago by | • modified 6.8 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. |