Fichier:Photothermal Induced Resonance (PTIR) (8477045638).jpg
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Fichier d’origine (1 163 × 1 448 pixels, taille du fichier : 721 kio, type MIME : image/jpeg)
Ce fichier et sa description proviennent de Wikimedia Commons.
Description
| Description |
The sample (green/white) absorbs infrared laser light (purple) at wavelengths determined by its chemical composition, causing it to expand, which deflects the AFM cantilever. Bottom left: The AFM detects the height of two small polystyrene particles and a large polymethylmethacrylate (PMMA) particle. Bottom right: The light is tuned to be absorbed only by PMMA but not by polystyrene. Combining the data and recording chemical images at different wavelengths produces a map of the surface's topography and chemistry. See also www.nist.gov/cnst/ptir-021213.cfm Credit: Centrone/NIST Disclaimer: Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST. Use of NIST Information: These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology (NIST). With the exception of material marked as copyrighted, information presented on these pages is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested. |
| Date | |
| Source | Photothermal Induced Resonance (PTIR) |
| Auteur | National Institute of Standards and Technology |
Conditions d’utilisation
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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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Cette image a été originellement postée sur Flickr par National Institute of Standards and Technology à l'adresse https://flickr.com/photos/63059536@N06/8477045638. Elle a été passée en revue le 7 septembre 2016 par le robot FlickreviewR, qui a confirmé qu'elle se trouvait sous licence United States Government Work. |
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| Date et heure | Vignette | Dimensions | Utilisateur | Commentaire | |
|---|---|---|---|---|---|
| actuel | 7 septembre 2016 à 03:37 | | 1 163 × 1 448 (721 kio) | Vanished Account Byeznhpyxeuztibuo | Transferred from Flickr via Flickr2Commons |
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