Comparison of imaging distortion in singlet and compound metalenses. (IMAGE)

Higher Education Press

Comparison of imaging distortion in singlet and compound metalenses.

Caption

(a) A singlet metalens suffers from large barrel distortion. (b) A compound metalens effectively eliminates the barrel distortion. (c, d) Ray-tracing modeling of the (c) singlet and (d) compound metalens. The light incident angles (in air) vary between 0° and 70° with a step of 10°.

Credit

Hanyu Zheng et al.

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License

CC BY-NC-ND

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