I B Tech -AP- VSAQ : 5 Lasers and Optical Fiber #jntuh #anrk

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0:00 Introduction
0:09 Write the differences between spontaneous emission and stimulated emission
2:28 Define population inversion
3:19 Write major components of a laser?
4:31 Write the applications of LASER
5:42 Explain the principle of optical fiber.
6:45 What is significance of numerical aperture?

Видео I B Tech -AP- VSAQ : 5 Lasers and Optical Fiber #jntuh #anrk канала Dr SNR Academy