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PHASE MEASUREMENT OF OPTICAL WAVEFRONT BY AN SLM DIFFERENTIATION FILTER

By Hideo Furuhashi, Javier Valle Mayorga, Yoshiyuki Uchida and Akihiro Kono

Abstract

Abstract − A system is proposed that employs a spatial light modulator as a differentiation filter to measure the phase of an optical wavefront. The pattern, position and orientation of the filter can be controlled electrically. This system measures the phase derivative of a wavefront that passes through a transparent phase object. The 3D shape of the object can be calculated by integrating the phase derivative

Topics: wavefront, SLM, differentiation filter
Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.415.9554
Provided by: CiteSeerX
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