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Pulse-width modulation drive technique for high-resolution liquid-crystal gratings

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Abstract

We report the use of a pulse-width modulation drive technique for high-resolution liquid-crystal gratings and show how the grating diffraction efficiency depends on the duty cycle of the drive signal. We identify a regime in which the diffraction efficiency is linearly proportional to the duty cycle, thereby providing a linear drive characteristic.

© 1995 Optical Society of America

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