Who invented the laser?

Dr. Charles H. Townes
S. Chandrasekhar
Edwin Hubble
None of these
Dr. Charles H. Townes  The answer is Dr. Charles H. Townes. He is an American physicist and engineer who is best known for his work on the maser and laser. In 1954, he developed the maser, a device that amplifies microwaves using stimulated emission. In 1960, he was one of the inventors of the laser, a device that amplifies light using stimulated emission. Townes shared the 1964 Nobel Prize in Physics with Nikolai Basov and Alexander Prokhorov for their work on the development of the maser and laser.

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