Laser projection system with improved bit depth
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United States of America Patent
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Mar 24, 2015
Grant Date -
Sep 26, 2013
app pub date -
May 13, 2013
filing date -
Dec 7, 2010
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Abstract
An apparatus and method for despeckling that includes a green laser diode assembly, a pulsed laser with a repetition rate of less than 100 kHz, and stimulated Raman scattering light formed in an optical fiber. The laser diode light and stimulated Raman scattering light are combined to form a projected digital image. The green laser diode assembly or the pulsed laser is switched to improve the bit depth of the projected digital image.
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