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Hyperspectral Raman imaging can provide distribution maps of chemical compounds and material properties: Example of an unhydrated clinker remnant in a 19th-century cement mortar (cement chemist's nomenclature: C ≙ CaO, A ≙ Al 2 O 3, S ≙ SiO 2, F ≙ Fe 2 O 3). [10] Raman spectroscopy offers several advantages for microscopic analysis ...
Raman spectroscopy employs the Raman effect for substances analysis. The spectrum of the Raman-scattered light depends on the molecular constituents present and their state, allowing the spectrum to be used for material identification and analysis. Raman spectroscopy is used to analyze a wide range of materials, including gases, liquids, and ...
By using Raman microspectroscopy, in vivo time- and space-resolved Raman spectra of microscopic regions of samples can be measured. Sampling is non-destructive and water, media, and buffers typically do not interfere with the analysis. Consequently, in vivo time- and space-resolved Raman spectroscopy is suitable to examine proteins, cells and ...
RRS effect (Resonance Raman Scaterring) The Raman resonance effect produces an increase in Raman intensity up to 10 6 times. In this phenomenon, the monochromatic light interaction with the sample produces the transition of the molecules from the fundamental state to an excited electronic state, instead of a virtual state as in normal Raman spectroscopy.
Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals; Spatially offset Raman spectroscopy; Spectral Database for Organic Compounds; Stimulated Raman adiabatic passage; Stimulated Raman spectroscopy; Stokes shift; Surface-enhanced Raman spectroscopy
Raman amplification / ˈ r ɑː m ən / [1] is based on the stimulated Raman scattering (SRS) phenomenon, when a lower frequency 'signal' photon induces the inelastic scattering of a higher-frequency 'pump' photon in an optical medium in the nonlinear regime. As a result of this, another 'signal' photon is produced, with the surplus energy ...
Sir Chandrasekhara Venkata Raman (/ ˈ r ɑː m ə n /; [1] 7 November 1888 – 21 November 1970), known simply as C. V. Raman, [2] was an Indian physicist known for his work in the field of light scattering. [3]
Simultaneous two-color label-free stimulated Raman scattering z-stack imaging of mouse ear (red: protein, green: lipid, image is 220 by 220 microns the total depth is 60 microns, the pixel dwell time is 2 microsecond). Coherent Raman scattering (CRS) microscopy is a multi-photon microscopy technique based on Raman-active vibrational modes of ...
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