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Albert Einstien theorized about the process that makes laser possible. It is called "Stimulated Emission"
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Charles Townes and Aurthur schawlow invented a machine called the maser which means: microwave amplification by stimulated emission of radiation. This is the beginning of the laser. The laser will evolve from this.
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Charles Townes and Arthur Schawlow theriorized about a visible laser. They wrote papers that were then published. They thought obout making an infared/or visible light. They did not proceed with the research at the time.
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Gourdon Gould was the first person to use the word laser. Gourdon was a medical student at Columbia. He was inspired to biuld his optical laser in 1958. He failed to file for a patent until 1959.
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In 1959 Charles Townes and Arthur Schawlow were granted a patent for the maser. It was used for amplifying radio signals. It also was used for ultrasonic detectors for space research
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Theodor Maiman envented a ruby laser.It was the first real laser.
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The first gas laser was invented by Ali Javan in 1960. It was the first continuous-light laser.
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the corbon dioxide laser was invented by Kumar Patel in 1964.
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Doctor Stevens patented the examiner laser for vision correction.
It was used before for etching computer chips. -
It took until 1977 to win his patent war and recieve his first patent for the laser.
