On October 23rd, 2014, we updated our
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Projects a three-
If it recives
light from a
A laser beam is
• 1956: Emmett N. Leith, was looking for a method
to record and graphically display the waveform of
radar signals using optical techniques.
• 1960: When practically had the solution to his
problem, he learned of the work of Gabor and his
successors, and realizing that he had actually