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All lasers require electricity to operate. The laser beam that results from operation of a laser is electromagnetic radidation, not electricity.

Q: Laser beam needs electricity or not?

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All lasers require electricity to operate. The laser beam that results from operation of a laser is electromagnetic radidation, not electricity.

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A laser is the device itself, the beam is.. well, the beam coming out of the laser.

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How can yo u get laser beam?

What is laser beam characteristics and principles?

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A laser is a device which produces an intense beam by stimulated emission of photons. This technology is used in repairing detached retinas, barcodes, making holograms and drilling holes in metals.

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"Caution Laser Beam" is a phrase used on warning signs and labels to alert users and passersby that a laser beam may be present.

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