Mask-modulated lensless imaging via translated structured illumination
Lensless microscopy technique enables high-resolution image recovery over a large field of view. By integrating the concept of phase retrieval, it can also retrieve the lost phase information from intensity-only measurements. Here we report a mask-modulated lensless imaging platform based on translated structured illumination. In the reported platform, we sandwich the object in-between a coded mask and a naked image sensor for lensless data acquisition. An LED array is used to provide angle-varied illumination for projecting a translated structured pattern without involving mechanical scanning. For different LED elements, we acquire the lensless intensity data for recovering the complex-valued object. In the reconstruction process, we employ the regularized ptychographic iterative engine and implement an up-sampling process in the reciprocal space. As demonstrated by experimental results, the reported platform is able to recover complex-valued object images with higher resolution and better quality than previous implementations. Our approach may provide a cost-effective solution for high-resolution and wide field-of-view ptychographic imaging without involving mechanical scanning.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:29 |
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| Enthalten in: |
Optics express - 29(2021), 8 vom: 12. Apr., Seite 12491-12501 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lu, Changchun [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Revised 14.05.2021 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/OE.421228 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM325363870 |
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| 245 | 1 | 0 | |a Mask-modulated lensless imaging via translated structured illumination |
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| 520 | |a Lensless microscopy technique enables high-resolution image recovery over a large field of view. By integrating the concept of phase retrieval, it can also retrieve the lost phase information from intensity-only measurements. Here we report a mask-modulated lensless imaging platform based on translated structured illumination. In the reported platform, we sandwich the object in-between a coded mask and a naked image sensor for lensless data acquisition. An LED array is used to provide angle-varied illumination for projecting a translated structured pattern without involving mechanical scanning. For different LED elements, we acquire the lensless intensity data for recovering the complex-valued object. In the reconstruction process, we employ the regularized ptychographic iterative engine and implement an up-sampling process in the reciprocal space. As demonstrated by experimental results, the reported platform is able to recover complex-valued object images with higher resolution and better quality than previous implementations. Our approach may provide a cost-effective solution for high-resolution and wide field-of-view ptychographic imaging without involving mechanical scanning | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Zhou, You |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Yanxun |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Shaowei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Zibang |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Guoan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Jingang |e verfasserin |4 aut | |
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