A spatial light modulator is disclosed which includes an electro-optic wafer, such as lithium niobate (LiNbO3) or PLZT, formed as an asymmetric Fabry-Perot cavity with a totally reflecting dielectric mirror on its bottom face and a partially reflecting dielectric mirror on its top face. The electro-optic...http://www.google.com.hk/patents/US6819463?utm_source=gb-gplus-share專利 US6819463 - Electro-optic phase-only spatial light modulator