Raman spectroscopy, an optical microscopy technique, is a non-destructive chemical analysis technique that provides rich molecular fingerprint information about chemical structure, phase, crystallinity, and molecular interactions. ...
Bio & Medicine
Jul 15, 2022
0
747
Bound states in the continuum (BICs) are a special class of resonant states. Although they have the same momentum and energy as the propagating modes in free space, they are not coupled to the latter and thus have infinite ...
Optics & Photonics
Jun 2, 2022
0
4
A research team from Carnegie Mellon University and Columbia have combined two emerging imaging technologies to better view a wide range of biomolecules, including proteins, lipids and DNA, at the nanoscale. Their technique, ...
Biochemistry
May 18, 2022
0
157
Microscopic electric fields govern a remarkable variety of phenomena in condensed matter and their ultrafast evolutions drive plasmonics, phononics and highspeed nanoelectronics. Access to high-frequency electric waveforms ...
Optics & Photonics
Jan 4, 2022
0
106
Phonons—the quasiparticle describing lattice vibrations in solids—directly dictates various properties of solid state systems, such as the thermal conductivity, electron mobility, structural stability and conventional ...
Condensed Matter
Nov 18, 2021
0
30
Interferometers are widely used in various high spatial resolution imaging techniques to extend the diffraction limit. However, the conventional interferometric methods only work when the photons have the same wavelength.
Optics & Photonics
Sep 17, 2021
0
123
Conventional experiments in chemistry and biology study the behavior of the two, but it has been an abiding scientific challenge for scientists to observe, manipulate and measure the chemical reactions of individual molecules.
Optics & Photonics
Aug 18, 2021
0
287
When we think about singularities, we tend to think of massive black holes in faraway galaxies or a distant future with runaway AI, but singularities are all around us. Singularities are simply a place where certain parameters ...
Optics & Photonics
Jul 13, 2021
0
171
Advanced X-ray techniques have revealed new structural details about the specific arrangement of atoms in conjugated polymers, an important class of materials that are used in LEDs, organic solar cells, transistors, sensors ...
Polymers
Apr 30, 2021
0
512
True super-resolution imaging beyond the diffraction limit remains a major challenge for far-field Raman microscopy especially in biological applications. Harnessing Stimulated Raman Excited Fluorescence (SREF) as an ultrasensitive ...
Optics & Photonics
Apr 21, 2021
0
11
