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Search results for plasmon

Nanophysics Aug 12, 2022

New van der Waals heterostructures for high-efficiency infrared photodetection

Professors Hu Weida and Peng Hailin, two of researchers at Shanghai Institute of Technical Physics and Peking University, recently proposed momentum-matching and band-alignment van der Waals heterostructures to solve the ...

Bio & Medicine Aug 11, 2022

Checking road traffic inside cells with nano GPS

Daegu Gyeongbuk Institute of Science and Technology announced that a research team led by Professor Seo Dae-ha of the Department of Physics and Chemistry developed a dark field super-resolution microscope with excellent spatial ...

Cell & Microbiology Aug 5, 2022

'Simple yet powerful': Seeing cell secretion like never before

We have recently witnessed the stunning images of distant galaxies revealed by the James Webb telescope, which were previously visible only as blurry spots. Washington University in St. Louis researchers have developed a ...

Plasma Physics Aug 3, 2022

'Switchable grating' enables ultracompact, broadband, and ultrahigh modulation-depth plasmonic switch

In order to integrate logic gates and communicate over short distances optically, plasmonic interconnections are essential components of optical interconnection schemes. Therefore, switching has attracted much attention.

Bio & Medicine Jul 25, 2022

New COVID-19 rapid-test technology performs PCR faster than similar tests on the market

For more than 30 years, polymerase chain reaction (PCR) has been the gold standard in molecular diagnostic testing, detecting genetic material, such as those from a virus or from human DNA. But PCR, including reverse transcription ...

Nanomaterials Jul 6, 2022

Upside-down design expands wide-spectrum super-camera abilities

By turning a traditional lab-based fabrication process upside down, researchers at Duke University have greatly expanded the abilities of light-manipulating metasurfaces while also making them much more robust against the ...

Nanomaterials Jun 22, 2022

Technique allows researchers to align gold nanorods using magnetic fields

An international team of researchers has demonstrated a technique that allows them to align gold nanorods using magnetic fields, while preserving the underlying optical properties of the gold nanorods.

Nanophysics Jun 22, 2022

Scientists observe longitudinal plasmonic field in nanocavity at subnano-scale

A group of scientists working on surface-enhanced Raman spectroscopy (SERS) has made a nanoruler to provide insight into the longitudinal plasmonic fields in nanocavities, according to research published in the Journal of ...

Optics & Photonics Jun 22, 2022

High performance integrated photonic circuit based on inverse design method

A new publication from Opto-Electronic Advances discusses high performance integrated photonic-circuit-based on inverse design method.

Optics & Photonics Jun 21, 2022

Broadband perfect absorber scheme for light absorption

Researchers from the Shanghai Institute of Optics and Fine Mechanics (SIOM) of the Chinese Academy of Sciences have recently proposed a design concept for a tunable broadband perfect absorber based on non-split coupling of ...

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