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Raman spectroscopy - Renishaw
Raman spectroscopy is used to chemically analyse solids, liquids and gases and is an invaluable tool for material identification and verification. Renishaw design and manufacture precision engineered Raman spectroscopy systems made for experts who demand fast and accurate data. Our research grade Raman Instruments are used and trusted by scientists around the wrold.

What is Raman Spectroscopy? - HORIBA
Raman Spectroscopy is a non-destructive chemical analysis technique which provides detailed information about chemical structure, phase and polymorphy, crystallinity and molecular interactions. It is based upon the interaction of light with the chemical bonds within a material.

Raman Spectrometers | Raman Systems | Raman Spectroscopy
A modular Raman system uses fibers to route excitation light between laser, probe, and spectrometer. This physically flexible interface is good for bringing Raman to the sample (clinical use, art analysis, in-situ process monitoring), or when the spectrometer can’t get too close to the sample (production line or extreme environments).

Stimulated Raman spectroscopy - Wikipedia
Stimulated Raman spectroscopy, also referred to as stimulated raman scattering (SRS) is a form of spectroscopy employed in physics, chemistry, biology, and other fields. The basic mechanism resembles that of spontaneous Raman spectroscopy: a pump photon, of the angular frequency , which is absorbed by a molecule has some small probability of inducing some vibrational (or rotational) transition ...

Ren Research Group - Xiamen University
This is the Prof. Bin Ren's Research group homepage. We focus on Surface enhanced raman spectroscopy (SERS) and Tip enhanced raman spectroscopy (TERS), which is based on surface plasmon resonance(SPR).

Database of Raman spectroscopy, X-ray diffraction and ...
Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals.

Shell-isolated nanoparticle-enhanced Raman spectroscopy ...
Surface-enhanced Raman scattering (SERS) spectroscopy is a powerful analytical technique able to detect substances down to single molecule level. Its applications are limited, however, because to ...

Characterizing Carbon Materials with Raman Spectroscopy
Raman spectroscopy is most sensitive to highly symmetric covalent bonds with little or no natural dipole moment. The carbon-carbon bonds that make up these materials fit this criterion perfectly and as a result Raman spectroscopy is highly sensitive to these materials and able to provide a wealth of information about their structure. As

Rule of mutual exclusion - Wikipedia
The rule of mutual exclusion in molecular spectroscopy relates the observation of molecular vibrations to molecular symmetry.It states that no normal modes can be both Infrared and Raman active in a molecule that possesses a centre of symmetry.This is a powerful application of group theory to vibrational spectroscopy, and allows one to easily detect the presence of this symmetry element by ...

Analytical chemistry | NIST
Hemp and marijuana both come from the Cannabis plant. But legally, they are very different. If cannabis has less than 0.3% THC — for tetrahydrocannabinol, the

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