Table 3.

Metalens-based optical imaging and sensing system.

Reference (Year)	Modality	Wavelength
Pahlevaninezhad et al. (2018) [78]	OCT	λEx = 1310 nm
Arbabi et al. (2018) [91]	Two-photon Fluorescence	λEx = 820 nm
Qiu et al. (2018) [93]	Confocal	λEx = 660 nm
Zhu et al. (2017) [101]	Spectrometer	480–700 nm