Phase modulation active device, method of driving the same, and optical apparatus including the phase modulation active device
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United States of America Patent
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Nov 21, 2023
Grant Date -
Oct 22, 2020
app pub date -
Jul 6, 2020
filing date -
Sep 9, 2016
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Abstract
A phase modulation active device and a method of driving the phase modulation active device are provided. The phase modulation active device includes channels independently modulating a phase of incident light. The method includes selecting a first phase value and a second phase value to be used for the channels, setting a binary phase profile by allocating the selected first phase value or the selected second phase value to each of the channels quasi-periodically, in a sequence in which the channels are arranged, and driving the phase modulation active device, based on the set binary phase profile.
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