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https://hdl.handle.net/10356/105071
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DC Field | Value | Language |
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dc.contributor.author | Zuo, Chao | en |
dc.contributor.author | Chen, Qian | en |
dc.contributor.author | Li, Hongru | en |
dc.contributor.author | Qu, Weijuan | en |
dc.contributor.author | Asundi, Anand | en |
dc.date.accessioned | 2014-08-25T05:22:39Z | en |
dc.date.accessioned | 2019-12-06T21:45:37Z | - |
dc.date.available | 2014-08-25T05:22:39Z | en |
dc.date.available | 2019-12-06T21:45:37Z | - |
dc.date.copyright | 2014 | en |
dc.date.issued | 2014 | en |
dc.identifier.citation | Zuo, C., Chen, Q., Li, H., Qu, W., & Asundi, A. (2014). Boundary-artifact-free phase retrieval with the transport of intensity equation II: applications to microlens characterization. Optics Express, 22(15), 18310-18324. | en |
dc.identifier.issn | 1094-4087 | en |
dc.identifier.uri | https://hdl.handle.net/10356/105071 | - |
dc.description.abstract | Boundary conditions play a crucial role in the solution of the transport of intensity equation (TIE). If not appropriately handled, they can create significant boundary artifacts across the reconstruction result. In a previous paper [Opt. Express 22, 9220 (2014)], we presented a new boundary-artifact-free TIE phase retrieval method with use of discrete cosine transform (DCT). Here we report its experimental investigations with applications to the micro-optics characterization. The experimental setup is based on a tunable lens based 4f system attached to a non-modified inverted bright-field microscope. We establish inhomogeneous Neumann boundary values by placing a rectangular aperture in the intermediate image plane of the microscope. Then the boundary values are applied to solve the TIE with our DCT-based TIE solver. Experimental results on microlenses highlight the importance of boundary conditions that often overlooked in simplified models, and confirm that our approach effectively avoid the boundary error even when objects are located at the image borders. It is further demonstrated that our technique is non-interferometric, accurate, fast, full-field, and flexible, rendering it a promising metrological tool for the micro-optics inspection. | en |
dc.language.iso | en | en |
dc.relation.ispartofseries | Optics express | en |
dc.rights | © 2014 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: http://dx.doi.org/10.1364/OE.22.018310. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | en |
dc.subject | DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics | en |
dc.title | Boundary-artifact-free phase retrieval with the transport of intensity equation II: applications to microlens characterization | en |
dc.type | Journal Article | en |
dc.contributor.school | School of Mechanical and Aerospace Engineering | en |
dc.identifier.doi | 10.1364/OE.22.018310 | en |
dc.description.version | Published version | en |
item.fulltext | With Fulltext | - |
item.grantfulltext | open | - |
Appears in Collections: | MAE Journal Articles |
Files in This Item:
File | Description | Size | Format | |
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oe-22-15-18310.pdf | 4.49 MB | Adobe PDF | View/Open |
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