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Diffuse reflectance spectroscopy information


Diffuse reflectance spectroscopy, or diffuse reflection spectroscopy, is a subset of absorption spectroscopy. It is sometimes called remission spectroscopy. Remission is the reflection or back-scattering of light by a material, while transmission is the passage of light through a material. The word remission implies a direction of scatter, independent of the scattering process. Remission includes both specular and diffusely back-scattered light. The word reflection often implies a particular physical process, such as specular reflection.

The use of the term remission spectroscopy is relatively recent, and found first use in applications related to medicine and biochemistry. While the term is becoming more common in certain areas of absorption spectroscopy, the term diffuse reflectance is firmly entrenched, as in diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and diffuse-reflectance ultraviolet–visible spectroscopy.

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Diffuse reflectance spectroscopy

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Diffuse reflectance spectroscopy, or diffuse reflection spectroscopy, is a subset of absorption spectroscopy. It is sometimes called remission spectroscopy...

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Diffuse reflectance infrared Fourier transform spectroscopy

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Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) is an infrared spectroscopy sampling technique used on powder samples without prior...

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Diffuse reflection

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applies to UV-Vis-NIR spectroscopy or mid-infrared spectroscopy. Diffuser List of reflected light sources Oren–Nayar reflectance model Reflectivity Remission...

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Diffuse optical imaging

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Diffuse optical imaging (DOI) is a method of imaging using near-infrared spectroscopy (NIRS) or fluorescence-based methods. When used to create 3D volumetric...

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Infrared spectroscopy

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Infrared spectroscopy (IR spectroscopy or vibrational spectroscopy) is the measurement of the interaction of infrared radiation with matter by absorption...

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DRS

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rendering Distributed resource scheduler, in VMware Infrastructure Diffuse reflectance spectroscopy Direct Registration System, DRS, see Direct holding system...

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Resection margin

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fluorescence imaging, Raman spectroscopy, optical coherence tomography and quantitative diffuse reflectance spectroscopy.: sections 5-6  Surgical margin...

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Bidirectional reflectance distribution function

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surface reflectance anisotropy. For a given land area, the BRDF is established based on selected multiangular observations of surface reflectance. While...

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Spectroscopy

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and light scattering techniques. Light scattering spectroscopy is a type of reflectance spectroscopy that determines tissue structures by examining elastic...

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Allotropes of phosphorus

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optical band gap of the violet phosphorus was measured by diffuse reflectance spectroscopy to be around 1.7 eV. The thermal decomposition temperature...

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Spectralon

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Spectralon is a fluoropolymer that has the highest diffuse reflectance of any known material or coating over the ultraviolet, visible, and near-infrared...

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Representative layer theory

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which for the case of diffuse scatter should properly be taken as an integral. In 1966, in a book entitled Reflectance Spectroscopy, Harry Hecht had pointed...

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VNIR

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Characterization of Soil Clay Content with Visible Near-Infrared Diffuse Reflectance Spectroscopy". Soil Science Society of America Journal. 71 (2): 389. Bibcode:2007SSASJ...

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Geology applications of Fourier transform infrared spectroscopy

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FTIR, attenuated total reflectance (ATR)-FTIR, Diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy and reflectance micro-FTIR are commonly...

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TT69

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fluorescence (XRF), ultraviolet-visible spectroscopy, near infrared diffuse reflectance spectroscopy and Raman spectroscopy in order to determine what materials...

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Astronomical spectroscopy

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Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including...

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Diffuse optical mammography

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Diffuse optical mammography, or simply optical mammography, is an emerging imaging technique that enables the investigation of the breast composition...

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Spectroradiometry for Earth and planetary remote sensing

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technique forms the basis of multi- and hyperspectral imaging and reflectance spectroscopy, commonly applied across numerous geoscience disciplines, which...

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Transmission Raman spectroscopy

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Transmission Raman spectroscopy (TRS) is a variant of Raman spectroscopy which is advantageous in probing bulk content of diffusely scattering samples...

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Arthur Schuster

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1896 Radiograph of hands by Arthur Schuster Blackett effect Diffuse reflectance spectroscopy Electron Electron rest mass Representative layer theory Sharp...

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Reststrahlen effect

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intervals (the Reststrahlen range) indicates a reflectance of up to 80% or even more, while the maximum reflectance due to infrared bands of dielectric materials...

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Fluorescence correlation spectroscopy

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Fluorescence correlation spectroscopy (FCS) is a statistical analysis, via time correlation, of stationary fluctuations of the fluorescence intensity....

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Diffuse interstellar bands

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Diffuse interstellar bands (DIBs) are absorption features seen in the spectra of astronomical objects in the Milky Way and other galaxies. They are caused...

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List of materials analysis methods

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resolved photoemission spectroscopy ARUPS – Angle resolved ultraviolet photoemission spectroscopy ATR – Attenuated total reflectance BET – BET surface area...

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Remote sensing in geology

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variables. First, the intensities of reflectance at different wavelengths are detected, and plotted on a spectral reflectance curve. This spectral fingerprint...

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Spectrophotometry

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sometimes a percentage of reflectance measurement. A spectrophotometer is commonly used for the measurement of transmittance or reflectance of solutions, transparent...

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