Articles tagged with Surface Plasmon Resonance
Hyperbolic localized plasmon resonances were achieved in an anisotropic two-dimensional crystal, enabling tunable optical chirality and potential applications in miniaturized photonic components, spectroscopic sensors, and molecular fingerprinting.
Osaka University researchers develop a new method for long-range enhancement of fluorescence and Raman signals using Ag nanoislands protected with column-structured silica layers. This leads to an astonishing ten-million-fold increase in signal strength, making it ideal for sensitive biosensing applications.
Researchers at Pusan National University developed a fast-responding colorimetric sensor with an expanded color gamut, capable of detecting humidity and other environmental changes in real-time. The sensor outperforms previous designs with a wide color representation and rapid responsiveness.
A research team at the University of Würzburg has achieved electrically controlled modulation of light antennas, paving the way for ultra-fast active plasmonics. This breakthrough could lead to significantly faster computer chips and new insights into energy conversion and storage technologies.
A new type of sensor leverages exceptional points to achieve high sensitivity and reconfigurability. The novel design addresses limitations of traditional EP-based sensors by incorporating spoof localized surface plasmon resonators, allowing for dynamic reconfiguration of EP states across a wide frequency range.
Researchers developed a 3D metamaterial capable of detecting polarization and direction of light, overcoming limitations of conventional optical devices. The breakthrough technology utilizes pi-shaped metal nanostructures with numerical aperture-detector polarimetry to analyze light distribution.
Scientists at Rice University, Stanford University, and UT Austin have developed a mechanism to generate solvated electrons through plasmon resonance, making it easier to turn light into these clean, zero-byproduct chemicals. This breakthrough could lead to new ways of driving chemical reactions and reducing greenhouse gas emissions.
A team of researchers at North Carolina State University has developed a technique to align gold nanorods using magnetic fields while maintaining their optical properties. The method involves coating the nanorods with iron oxide nanoparticles and controlling their alignment using a low-strength magnetic field.
Scientists at the University of Tsukuba have created a nanocavity in a waveguide that selectively modifies short light pulses, enabling the development of ultrafast optical pulse shaping. This breakthrough may lead to the creation of new all-optical computers that operate based on light.
Researchers at Arizona State University have developed a new microscopy method that can track 100 single molecules simultaneously in three dimensions. The technique uses surface plasmon resonance (SPR) technology to precisely image molecular binding events and study their dynamic activities in real time.
A new sensor technology has been developed to detect specific proteins in human blood, promising faster and more affordable diagnostics for diseases such as cancer and diabetes. The sensor uses aptamers, custom-made molecules that can latch onto target compounds with high specificity and accuracy.
Researchers have developed a new method for visualizing individual virus particles, enabling a more detailed understanding of these minute pathogens. The technique, known as surface plasmon resonance microscopy, allows for the detection and measurement of viral mass, with a detection limit rivaling conventional methods by three to four...