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Sub-wavelength terahertz imaging through optical rectification
We record a sub-wavelength terahertz image of a caster sugar grain thanks to optical rectification in the sample excited with a femtosecond laser beam. The lateral spatial resolution of this technique is given by the laser spot size at the sample and here its measured value is 50 μm, i.e. ~λ/12. We...
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| Publicat a: | Sci Rep |
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| Autors principals: | , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Nature Publishing Group UK
2018
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6131247/ https://ncbi.nlm.nih.gov/pubmed/30202106 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-018-31970-w |
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