| Téléchargement | - Voir la version de l’auteur : Design and characterization of a new absolute diffuse reflectance reference instrument at the NRC (PDF, 4.1 Mio)
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| DOI | Trouver le DOI : https://doi.org/10.1117/12.2322361 |
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| Auteur | Rechercher : Sandilands, Luke1; Rechercher : Côté, Eric1; Rechercher : Zwinkels, Joanne1 |
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| Affiliation | - Conseil national de recherches du Canada. Centre de recherche en métrologie
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| Format | Texte, Article |
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| Conférence | Reflection, Scattering, and Diffraction from Surfaces VI, August 19-23, 2018, San Diego, California |
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| Sujet | optical spheres; diffuse reflectance spectroscopy; integrating spheres; reflectivity; reflectometry |
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| Résumé | Absolute diffuse reflectance measurements may be carried out by means of both integrating sphere and goniometer- based methods. At the National Research Council of Canada, the scale of absolute diffuse spectral reflectance is currently realized in the UV/VIS/NIR range using the modified Sharp-Little integrating sphere method. To ex- tend the wavelength range and improve instrument performance, a new absolute reflectometer facility is presently being constructed. The new system features a monochromator-based tunable light source, interchangeable detector systems (PMT, Si, and extended InGaAs) and a custom polytetrafluoroethylene integrating sphere. Aspects of the sphere aimed at mitigating the effects of sphere asymmetry and sample recess will be discussed. Data characterizing the wavelength scale, bandpass, and linearity of the new system will also be presented. |
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| Date de publication | 2018-09-04 |
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| Maison d’édition | Society of Photo-Optical Instrumentation Engineers (SPIE) |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | c99c1bb7-b36e-4f6e-9791-72c591e90b52 |
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| Enregistrement créé | 2021-08-27 |
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| Enregistrement modifié | 2021-08-27 |
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