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Department微电子装备总体研究室(四室)
Lensless In-line Holographic Microscope Resolution Enhancement Method From Two Intensity Measurements Based On Data Interpolation
Li, Fanxing; Tian, Peng; Yan, Wei; Yang, Fan; Peng, Fuping
Source PublicationProceedings of SPIE - 9TH INTERNATIONAL SYMPOSIUM ON ADVANCED OPTICAL MANUFACTURING AND TESTING TECHNOLOGIES (AOMATT 2018): META-SURFACE-WAVE AND PLANAR OPTICS
Volume10841
Pages108410F
2018
Language英语
ISSN0277-786X
DOI10.1117/12.2512106
Indexed BySCI
WOS IDWOS:000461820700014
SubtypeC
AbstractWith the improvement of the performance of electro-optical sensors and computer performance, lensless digital in-line holography has been studied and applied widely. However, the resolution of the digital in-line holography system are limited by pixel size and influenced by the twin image. To solve the problem, we proposed a resolution enhancement method, which collects two holograms with different sample-to-sensor distance. The reconstruction is based on Gerchberg-Saxton iteration algorithm, using two normalized and interpolated holograms. We used two prior constraints in the iteration process according to the iteration algorithm for phase retrieval: intensity of the two normalized holograms and the non-negative absorption of the sample. In this method, the interpolation operation before phase retrieval can digitally reduce the sampling interval, and the interpolation point will be optimized with the iteration process. We simulated the resolution enhancement method, and the results of the simulation show that the resolution and image quality of lensless digital in-line holography can be effectively improved.
KeywordDigital in-line holography data interpolation phase retrieval algorithm positive absorption property
WOS KeywordDIGITAL HOLOGRAPHY ; SHAPE MEASUREMENT ; RECONSTRUCTION ; IMAGE ; PHASE
Conference Name9th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT) - Meta-Surface-Wave and Planar Optics9th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT) - Meta-Surface-Wave and Planar Optics
Conference DateJUN 26-29, 2018JUN 26-29, 2018
Conference PlaceChengdu, PEOPLES R CHINAChengdu, PEOPLES R CHINA
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Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9144
Collection微电子装备总体研究室(四室)
Recommended Citation
GB/T 7714
Li, Fanxing,Tian, Peng,Yan, Wei,et al. Lensless In-line Holographic Microscope Resolution Enhancement Method From Two Intensity Measurements Based On Data Interpolation[C],2018:108410F.
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