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What does LASER stand for? In what respect it differs from an ordinary source.

written 6.9 years ago by neeta.vanage • 870

modified 2.8 years ago by pedsangini276 • 4.8k

Subject :- Applied Physics 2.

Topic :- Laser.

Difficulty :- Low.

engineering physics

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written 6.8 years ago by neeta.vanage • 870

LASER stands for light amplification by stimulated emission of radiation.

LASER	Ordinary light
It is highly monochromatic	It is polychromatic
It is highly coherent	It is not coherent
Stimulated emissions are responsible	Spontaneous emissions are responsible
Highly directional	Not directional
Highly energetic	Less energy is associated
Example: He Ne, Nd:YAG	Example: sunlight, incandescent bulb

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