Optical wavelength converter system
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United States of America Patent
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Oct 12, 1993
Grant Date -
N/A
app pub date -
Dec 2, 1992
filing date -
Dec 2, 1991
priority date (Note) -
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Abstract
An optical wavelength converter system which has a crystal of a first nonlinear optical material for converting an incoming laser beam into a second harmonic wave and a crystal of a second nonlinear optical material for converting the laser beam and the second harmonic wave into a sum frequency wave. A phase compensator plate is interposed between the crystal of the first nonlinear optical material and the crystal of the second nonlinear optical material, whereupon the laser beam and the second harmonic wave are aligned substantially in the same linear polarization before they enter the crystal of the second nonlinear optical material.
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