Generation of aerosol-particle light-scattering patterns from digital holograms
| Autor: | Osku Kemppinen, Matthew J. Berg, Ramesh Giri, Claudia Morello, Gorden Videen, Yuli W. Heinson |
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| Rok vydání: | 2019 |
| Předmět: |
Diffraction
Physics Forward scatter Scattering business.industry Holography Physics::Optics 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics Light scattering Silhouette law.invention 010309 optics Wavelength Optics Computer Science::Computational Engineering Finance and Science law Computer Science::Computer Vision and Pattern Recognition 0103 physical sciences Particle Astrophysics::Earth and Planetary Astrophysics 0210 nano-technology business |
| Zdroj: | Optics letters. 44(4) |
| ISSN: | 1539-4794 |
| Popis: | The similarity between the light-scattering pattern of a particle in the near-forward direction and diffraction from the particle’s silhouette is investigated. Images of irregularly shaped free-flowing aerosol particles are obtained from digital hologram measurements, which are then binarized to yield a silhouette. Application of Huygens’s principle to the silhouette generates an approximate scattering pattern, which when compared to the true measured pattern shows good agreement for particles much larger than the wavelength of light. |
| Databáze: | OpenAIRE |
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