Question

laser in scientific investigation​

Answer 1

Explanation:

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. ... The first laser was built in 1960 by Theodore H. Maiman at Hughes Research Laboratories, based on theoretical work by Charles Hard Townes and Arthur Leonard Schawlow.

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Answer 2

Answer:

A Laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

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