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Tracking capacitance of liquid crystal devices to improve polarization rotation accuracy

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arxiv 1707.04325 v1 pith:UWWAF2WC submitted 2017-07-12 physics.ins-det

Tracking capacitance of liquid crystal devices to improve polarization rotation accuracy

classification physics.ins-det
keywords capacitancepolarizationrotationaccuracyliquidtrackingachievedachieving
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We report a capacitance tracking method for achieving arbitrary polarization rotation from nematic liquid crystals. By locking to the unique capacitance associated with the molecular orientation, any polarization rotation can be achieved with improved accuracy over a wide temperature range. A modified relaxation oscillator circuit that can simultaneously determine the capacitance and drive the rotator is presented.

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