Optical metasurfaces have emerged as a groundbreaking technology in photonics, offering
unparalleled control over light–matter interactions at the subwavelength scale with ultrathin …

This research presents plasmonic metasurface-based graphene sensor for highly sensitive
and label-free detection of COVID-19 biomarkers. The proposed sensor structure integrates …

Flow visualization has long played a crucial role in understanding complex fluid dynamics,
especially reactive flows, but traditional techniques face limitations in realizing the …

With the advancement of imaging technology, the performance of optical focusing modules
becomes crucial for determining imaging quality. Conventional focusing modules frequently …

Precise detection of alcohol compounds remains a critical imperative in environmental
monitoring and clinical diagnostics. This investigation presents a biosensor architecture …

We propose a novel, to the best of our knowledge, scheme for mid-infrared upconversion
imaging with high tunability between bright-field and edge-enhanced modalities. The …

Owing to its super-resolution laser direct writing capability, laser heat-mode lithography is an
excellent alternative lithography technology for nanoscale structure manufacturing. Ho …

Phase retrieval is a fundamental technique of advanced optical technologies, enabling
precise control over wavefront properties. A persistent challenge in diffractive optical …

Ultracompact metasurfaces have gained a high reputation for manipulating light fields
precisely within a subwavelength scale, bringing great development to the fields of …

Compressive spectral imaging has emerged as a sensing tool where three-dimensional
(3D) data can be obtained using two-dimensional (2D) projection measurements. The 3D …