Phase errors reduction in multi-angle illumination digital holographic microscopy
| Autor: | Yujian Hong, Junsheng Lu, Yanan Zeng, Xiaodong Hu, Xinyu Chang |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Physics
Synthetic aperture radar business.industry Aperture Process Chemistry and Technology Resolution (electron density) Phase (waves) Common method Phase image Surfaces Coatings and Films Electronic Optical and Magnetic Materials Reduction (complexity) Optics Materials Chemistry Digital holographic microscopy Electrical and Electronic Engineering business Instrumentation |
| Zdroj: | Journal of Vacuum Science & Technology B. 38:064003 |
| ISSN: | 2166-2754 2166-2746 |
| DOI: | 10.1116/6.0000478 |
| Popis: | Synthetic aperture has been a common method in digital holographic microscopy resolution enhancement over the years. Multiangle illumination is one type of synthetic aperture methods. Reconstructed phase errors appeared when synthesizing aperture not considering the difference between different inclined incident beams' reconstruction distances. To reduce phase errors, this paper proposes a method using different reconstruction distances in inclined incident beams to achieve synthetic aperture resolution enhancement. A multiangle illumination reflectance digital holographic microscopy system is built to prove this method. The reconstruction distances can be calculated theoretically to compute the phase image. The phase image errors can be remarkably reduced by using the proposed method by analyzing the experimental result. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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