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What does LASER stand for? In what respect it differs from an ordinary source.
written 7.9 years ago by gravatar for neeta.vanage neeta.vanage • 880 modified 3.9 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Subject :- Applied Physics 2.

Topic :- Laser.

Difficulty :- Low.
engineering physics
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written 7.8 years ago by gravatar for neeta.vanage neeta.vanage • 880

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 …

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