Nature

3D printing of plasmonic nanofocusing tip enabling high resolution, high throughput and high contrast optical near-field imaging

Scanning near-field optical microscopy (SNOM) offers a means to reach a fine spatial resolution down to ~ 10 nm, but unfortunately suffers from low transmission efficiency of optical signal. Here we ...
EurekAlert!

Inverse synthetic aperture macroscopic Fourier ptychography enables super-resolution imaging of non-cooperative moving targets

ISAMFP concept and system overview. (a) Schematics of beam-scanning, aperture-scanning, and ISA acquisition. (b) Optical layout of the system. (c) Target motion trajectories with recorded frames. (d) ...
Science Daily

This new imaging technology breaks the rules of optics

Scientists have unveiled a new way to capture ultra-sharp optical images without lenses or painstaking alignment. The approach uses multiple sensors to collect raw light patterns independently, then ...
Nature

A wide-field and high-resolution lensless compound eye microsystem for real-time target motion perception

Optical measurement systems suffer from a fundamental tradeoff between the field of view (FOV), the resolution and the update rate. A compound eye has the advantages of a wide FOV, high update rate ...
EurekAlert!

Large-aperture differential confocal interferometric optical element measurement method

Large-aperture interferometers are important in the manufacturing and measurement of large-aperture optical elements, which play critical roles in the fields of optical precision manufacturing and ...