Usesof laser

1. Directionality: An ordinary source of light emits light waves in all the directions and is highly divergent. But the divergence or angular spread of a laser is very small.

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Monochromaticityof laser

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Componentsof laser

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LASERfull form

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Coherenceof laser

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Characteristics of laserPDF

3. Brightness: A laser beam has brightness many times in magnitude greater than that of conventional sources due to high directional property of laser beam.

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Characteristics of laser lightin physics

2. Monochromaticity: It means that all the laser rays have same wavelength and frequency when they are emitted from the same source.

What is beam divergenceof laser

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4. Coherence:Two or more light waves are said to be coherent if they bear a constant phase relation among themselves. Coherence can be classified into two ways:

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