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140 GHz Ultra-Long Bessel–Like Beam with Near-Wavelength Beamwidth
The Bessel–Gauss beam has outstanding features, such as long depth of focus (DOF) and super resolution for nondestructive imaging inspection. However, most approaches for generating a nondiffractive beam have mainly focused on extending the DOF. In this study, the ultra-long high-resolution Bessel–l...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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MDPI
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7730688/ https://www.ncbi.nlm.nih.gov/pubmed/33261105 http://dx.doi.org/10.3390/s20236791 |