HIGHLIGHTS
- who: Shiyu Li from the (UNIVERSITY) have published the research: Thickness bound for nonlocal wide-field-of-view metalenses, in the Journal: (JOURNAL)
- what: The authors show that there is an intrinsic trade-off between achieving a desired broad-angle response and reducing the thickness of the device. Given any desired angledependent response, the authors can write down its transmission matrix, measure its degree of nonlocality (as encapsulated in the lateral spreading of incident waves encoded in the transmission matrix), from which the authors determine the minimal device thickness.
- future: Future work can . . .
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