The quest for a real life tractor beam continues, with a 2-micrometer-thick silicon light bender. The silicon metasurface changes a solid beam into a triple spiral one that can pick up particles.

(A) polysilicon and (B) amorphous silicon (D = 400 nm) cylinder when the laser power density is 1.00×10 5 W/cm 2. Maximum temperature rises of the (C) polysilicon and (D) amorphous silicon metasurface ...

Infrared imaging technology is crucial for advancing our understanding of the world, from exploring biological specimens to inspecting complex materials and detecting hidden patterns in physical ...

A chip smaller than one square millimeter stores 160 holographic images at arbitrary 3D coordinates, with each spatial ...

(a) Schematic illustration of the proposed signal modulation process. Left: initial input laser spot illustration before interacting with the SLM and Si metasurface. Middle: schematic of the linear ...

Proposed device outlines new paths forward for compact ultra-sensitive optical sensors, multi-band switches with high ...

Scientists have achieved high efficiency in silicon solar cells with the help of precision-engineered surfaces. New designs of antireflective coatings for silicon solar cells, based on single-layer ...

Single-layer silicon metasurface achieves ultralow reflection, setting new standard for antireflective coatings in solar cells. Metasurface-based silicon antireflective coating. Click for info.