| 摘要 |
A light valve of deformable graftg tye and a metahod for light modulation using the light valves is provided. The light valve of deforable rating tpe, includes at least three beams, one beam of the at least tFee beams being of a substantially fixed-position, and at least two beams of tle at least three beams being deformable by electrostatic force in a substantially staircase structure, each step of the staicase creating a predefinied change in the phase of an Aching light beam, a first electrode and a second electrode, the electrodes ttansmitting electrostatic force to at least the deformiable beams of the at least three beams. The beam of a subsantially fixedposition tmay be defotiable by electrostatic force,
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