HIGH POWER HANDLING OPTICAL SPATIAL LIGHT MODULATOR
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United States of America Patent
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Mar 30, 2015
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Sep 22, 2014
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Abstract
Laser-based material processing systems including a Micro-Electromechanical System devices (MEMs) based reflective, optical modulator with dielectric mirrors for high power handling and methods of manufacturing and using the same are described. Generally, the system includes a workpiece support, a laser, a workpiece support, a laser, a MEMs based reflective, optical modulator to modulate a beam generated by the laser; and imaging optics to direct modulated light from the optical modulator onto a workpiece on the workpiece support. The optical modulator includes a number of surfaces with dielectric mirrors formed thereon to modulate the beam generated by the laser. Other embodiments are also described.
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