| 摘要 |
A spatial light modulator comprises: a first substrate ( 25 ); a second substrate ( 26 ); a layer of electrooptic material disposed between the first substrate and the second substrate. A first electrode arrangement ( 27 ) is disposed over the first substrate ( 25 ); and a second electrode arrangement ( 35 ) is disposed over the second substrate ( 26 ). The first electrode arrangement ( 27 ) comprises first and second electrode layers ( 28,29 ) disposed over the first substrate, with the spacing between the first electrode layer ( 28 ) and the first substrate ( 25 ) being different to the spacing between the second electrode ( 29 ) layer and the first substrate ( 25 ). The first electrode layer ( 28 ) and the second electrode arrangement ( 35 ) are configured so as to co-operate, in use, to define a plurality of first addressable regions in the electrooptic material. The second electrode ( 29 ) layer and the second electrode arrangement ( 35 ) are configured so as to co-operate, in use, to define a plurality of second addressable regions in the electrooptic material.
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