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    • 1. 发明专利
    • BRPI0807134A2
    • 2014-04-15
    • BRPI0807134
    • 2008-01-24
    • BAYER INNOVATION GMBH
    • BAROCSI ATTILAERDEL GABORKOPPA PALLOERINCZ EMOEKEREMENYI JUDITUJHELYI FERENC
    • G02B26/06
    • The object of the invention is a phase modulator system comprising a beam splitter and a reflection mode phase modulator suitable for modulating linearly polarised light of at least one specific polarisation state while maintaining said polarisation state. The beam splitter and the phase modulator are arranged along an optical path of a light beam. The beam splitter is a polarisation beam splitter and the phase modulator system further comprises an optical rotator being arranged along the optical path between the polarisation beam splitter and the phase modulator, and rotating the polarisation state of the light beam by 45° in a given sense, wherein the polarisation state of the light beam incident upon the phase modulator corresponds to said specific polarisation state. The invention further relates to a method for separating an input light beam from a phase modulated light beam in a phase modulator system comprising a phase modulator operable in reflection mode and suitable for modulating linearly polarised light of at least one specific linear polarisation state while maintaining said specific linear polarisation state. The method comprises the steps of a)