Chikara Ogawa

Rotational varifocal moiré metalens made of single-crystal silicon meta-atoms for visible wavelengths

K. Iwami, S. Ikezawa, Chikara Ogawa, 2022, Nanophotonics.

Demonstration of focal length tuning by rotational varifocal moiré metalens in an ir-A wavelength.

K. Iwami, S. Ikezawa, Chikara Ogawa, 2020, Optics express.

Experimental demonstration of rotational varifocal moir\'e metalens

K. Iwami, S. Ikezawa, Chikara Ogawa, 2019, 1912.11829.

Micro-Optical Line Generator Metalens for a Visible Wavelength Based on Octagonal Nanopillars Made of Single-Crystalline Silicon

K. Iwami, S. Ikezawa, Chikara Ogawa, 2022, IEEE Sensors Journal.