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- Multivariate_optical_element abstract "A multivariate optical element (MOE), is the key part of a multivariate optical computer; an alternative to conventional spectrometry for the chemical analysis of materials.It is helpful to understand how light is processed in a multivariate optical computer, as compared to how it is processed in a spectrometer. For example, if we are studying the composition of a powder mixture using diffuse reflectance, a suitable light source is directed at the powder mixture and light is collected, usually with a lens, after it has scattered from the powder surface. Light entering a spectrometer first strikes a device (either a grating or interferometer) that separates light of different wavelengths to be measured. A series of independent measurements is used to estimate the full spectrum of the mixture, and the spectrometer renders a measurement of the spectral intensity at many wavelengths. Multivariate statistics can then be applied to the spectrum produced.In contrast, when using multivariate optical computing, the light entering the instrument strikes an application specific multivariate optical element, which is uniquely tuned to the pattern that needs to be measured using multivariate analysis.This system can produce the same result that multivariate analysis of a spectrum would produce. Thus, it can generally produce the same accuracy as laboratory grade spectroscopic systems, but with the fast speed inherent with a pure, passive, optical computer. The multivariate optical computer makes use of optical computing to realize the performance of a full spectroscopic system using traditional multivariate analysis. A side benefit is that the throughput and efficiency of the system is higher than conventional spectrometers, which increases the speed of analysis by orders of magnitude.While each chemical problem presents its own unique challenges and opportunities, the design of a system for a specific analysis is complex and requires the assembly of several pieces of a spectroscopic puzzle. The data necessary for a successful design are spectral characteristics of light sources, detectors and a variety of optics to be used in the final assemblage, dispersion characteristics of the materials used in the wavelength range of interest, and a set of calibrated sample spectra for pattern-recognition-based analysis. With these pieces assembled, suitable application specific multivariate optical computer designs can be generated and the performance accurately modeled and predicted.".
- Multivariate_optical_element wikiPageID "8514693".
- Multivariate_optical_element wikiPageLength "3624".
- Multivariate_optical_element wikiPageOutDegree "16".
- Multivariate_optical_element wikiPageRevisionID "590914948".
- Multivariate_optical_element wikiPageWikiLink Accuracy_and_precision.
- Multivariate_optical_element wikiPageWikiLink Analytical_Chemistry_(journal).
- Multivariate_optical_element wikiPageWikiLink Analytical_chemistry.
- Multivariate_optical_element wikiPageWikiLink Category:Spectroscopy.
- Multivariate_optical_element wikiPageWikiLink Grating.
- Multivariate_optical_element wikiPageWikiLink Interferometry.
- Multivariate_optical_element wikiPageWikiLink Light.
- Multivariate_optical_element wikiPageWikiLink Light_scattering.
- Multivariate_optical_element wikiPageWikiLink Multivariate_optical_computing.
- Multivariate_optical_element wikiPageWikiLink Multivariate_statistics.
- Multivariate_optical_element wikiPageWikiLink Optical_computing.
- Multivariate_optical_element wikiPageWikiLink Powder_(substance).
- Multivariate_optical_element wikiPageWikiLink Spectrometer.
- Multivariate_optical_element wikiPageWikiLink Spectrum.
- Multivariate_optical_element wikiPageWikiLink Wavelength.
- Multivariate_optical_element wikiPageWikiLinkText "Multivariate optical element".
- Multivariate_optical_element wikiPageUsesTemplate Template:Citation.
- Multivariate_optical_element wikiPageUsesTemplate Template:No_footnotes.
- Multivariate_optical_element subject Category:Spectroscopy.
- Multivariate_optical_element hypernym Part.
- Multivariate_optical_element type Physic.
- Multivariate_optical_element type Technique.
- Multivariate_optical_element comment "A multivariate optical element (MOE), is the key part of a multivariate optical computer; an alternative to conventional spectrometry for the chemical analysis of materials.It is helpful to understand how light is processed in a multivariate optical computer, as compared to how it is processed in a spectrometer.".
- Multivariate_optical_element label "Multivariate optical element".
- Multivariate_optical_element sameAs Q6935140.
- Multivariate_optical_element sameAs m.02765fj.
- Multivariate_optical_element sameAs Q6935140.
- Multivariate_optical_element wasDerivedFrom Multivariate_optical_element?oldid=590914948.
- Multivariate_optical_element isPrimaryTopicOf Multivariate_optical_element.