Abstract

We demonstrate a variable-sensitivity analog response from an optically-addressed spatial light modulator. The device comprises a hydrogenated amorphous silicon photodiode and a surface-stabilized ferroelectric liquid crystal light modulator. The write-light intensity required to obtain 50% readout intensity can be varied continuously from 15 µW/cm2 to 1.5 mW/cm2 by changing the frequency of the applied bias voltage from 100 Hz to 2 kHz.

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