Superresolved imaging in digital holography by superposition of tilted wavefronts

Applied Optics
Vicente MicoJavier Garcia

Abstract

A technique based on superresolution by digital holographic microscopic imaging is presented. We used a two dimensional (2-D) vertical-cavity self-emitting laser (VCSEL) array as spherical-wave illumination sources. The method is defined in terms of an incoherent superposition of tilted wavefronts. The tilted spherical wave originating from the 2-D VCSEL elements illuminates the target in transmission mode to obtain a hologram in a Mach-Zehnder interferometer configuration. Superresolved images of the input object above the common lens diffraction limit are generated by sequential recording of the individual holograms and numerical reconstruction of the image with the extended spatial frequency range. We have experimentally tested the approach for a microscope objective with an exact 2-D reconstruction image of the input object. The proposed approach has implementation advantages for applications in biological imaging or the microelectronic industry in which structured targets are being inspected.

References

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Citations

Apr 6, 2013·IEEE Reviews in Biomedical Engineering·Zoltán Göröcs, Aydogan Ozcan
May 9, 2012·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Yuliya KuznetsovaS R J Brueck
May 24, 2018·Applied Optics·Zhilong JiangCheng Liu
May 3, 2008·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Vicente MicoJavier García
Oct 17, 2008·Optics Letters·Caojin YuanHaitao Liu
Jul 8, 2009·Optics Express·Vicente MicóJavier García
May 14, 2020·Applied Optics·Sorayda TrejosRoberto Torroba
Oct 4, 2007·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Zeev ZalevskyVicente Micó
Sep 15, 2015·Optics Express·Zhilong JiangJianqiang Zhu
Nov 16, 2006·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Vicente MicoJavier García
Mar 10, 2019·Scientific Reports·Tairan LiuAydogan Ozcan
Apr 1, 2020·Optics Express·Feng PanPietro Ferraro
Nov 4, 2011·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Alejandro CalabuigVicente Micó
May 15, 2015·Applied Optics·Xin-Ting Zhang, Cheng-Shan Guo

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