Read article: Light-squashing ‘spaceplates’ could lead to paper-thin smartphones
Light-squashing ‘spaceplates’ could lead to paper-thin smartphones
Material layers compress empty space between optical components
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Lauren Barr is a former postgraduate contributor to Physics World. Lauren is a postdoctoral research fellow in the Tailored Electromagnetic and Acoustic Materials – Accelerator project at the University of Exeter, where she previously obtained a PhD from the XM2 Centre for Doctoral Training. She has had plenty of opportunities to explore interesting physics, but most of her research involves studying electromagnetic interactions in complex and novel materials, particularly at terahertz and microwave frequencies.
Read article: Light-squashing ‘spaceplates’ could lead to paper-thin smartphones
Material layers compress empty space between optical components
Read article: Photonic nanojets achieve super-resolution
Increasing the refractive index of dielectric particles creates intense and narrow photonic nanojets of radiation that allow super subwavelength imaging
Read article: Varying graphene’s conductivity modulates THz wave
Graphene controls the Brewster angle of reflection and allows record-breaking control of terahertz beams
Read article: Funnelling charges to boost solar-cell efficiency
The inverse charge funnelling effect pushes charges to easy collection points in few-layer hafnium disulphide flakes, thanks to strain from laser-induced oxidation
Read article: Planar nanostructure provides giant chirality
Unprecedented chiroptical activity is reported from planar chiral nanostructures made from high-index dielectrics, thanks to high-order multipoles
Read article: Distorted nano-magnets for agile polarization control
Nano-sized chiral magnetic particles suspended in a gel allow real-time control of the polarization state of light
Read article: Lasers go to the dark side
Dark-mode resonators provide low-profile, high Q-factor, tuneable lasers
Read article: Laser-engraved graphene pixels work in extreme environments
Laser-writing photoactive junctions in iron-chloride intercalated graphene leads to a photodetector that can operate inside a functioning nuclear reactor
Read article: Doughnut-shaped nanomagnets induce new magnetization states
By introducing a constantly varying curvature in a nanomagnet, researchers find stable vortex-antivortex pairs, and take a step towards magnetization-based logic devices
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