000K  utf8
1100  2023$c2023-06-21
1500  eng
2050  urn:nbn:de:gbv:27-dbt-20230707-115257-003
2051  10.3390/photonics10070709
3000  Tian, Tong
3010  Oh, Sukyoon
3010  Spielmann, Christian
3010  Sun, Zhe
4000  Image-Enhanced Pseudo-Thermal Ghost Imaging with Hybrid Speckle Pattern  [Tian, Tong]
4060  14 Seiten
4209  In this study, the influence of hybrid speckle patterns on the contrast-to-noise ratio (CNR) and resolution in pseudo-thermal ghost imaging (PGI) was examined based on the object dimensions in the macroscopic and microscopic regimes. This research shows that an enhanced scaling of the ghost image CNR and resolution from that of the hybrid speckle pattern was observed with the increase in speckle size for a macroscopic object, compared with the use of single-size speckle patterns. For microscopic objects, the hybrid speckle pattern also offered the advantage of retrieving ghost images even if the CNR followed the same trend as the resolution. These results were verified using two different slits with the same transmitted area. In addition, the numerical analysis revealed that the interference of the hybrid speckle pattern was the major factor for a better CNR. Based on these findings, the novel hybrid speckle pattern found in this research provides a possible way for future experiments in PGI to regulate hybrid speckle patterns to obtain a better ghost image quality.
4950  https://doi.org/10.3390/photonics10070709$xR$3Volltext$534
4950  https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-20230707-115257-003$xR$3Volltext$534
4961  https://www.db-thueringen.de/receive/dbt_mods_00057755
5051  530
5550  ghost imaging
5550  hybrid speckle pattern
5550  image quality