Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/89429
Title: Silicon wafer microstructure imaging using InfraRed Transport of Intensity Equation
Authors: Li, Hongru
Feng, Guoying
Bourgade, Thomas
Zuo, Chao
Du, Yongzhao
Zhou, Shouhuan
Asundi, Anand
Keywords: Infrared Imaging
Phase Retrieval
DRNTU::Engineering::Mechanical engineering
Issue Date: 2015
Source: Li, H., Feng, G., Bourgade, T., Zuo, C., Du, Y., Zhou, S., & Asundi, A. (2015). Silicon wafer microstructure imaging using InfraRed Transport of Intensity Equation. Proceedings of SPIE - International Conference on Experimental Mechanics 2014, 9302, 93023I-. doi:10.1117/12.2078579
Conference: Proceedings of SPIE - International Conference on Experimental Mechanics 2014
Abstract: A novel quantitative 3D imaging system of silicon microstructures using InfraRed Transport of Intensity Equation (IRTIE) is proposed in this paper. By recording the intensity at multiple planes and using FFT or DCT based TIE solver, fast and accurate phase retrieval for both uniform and non-uniform intensity distributions is proposed. Numerical simulation and experiments confirm the accuracy and reliability of the proposed method. The application of IR-TIE for inspection of micro-patterns in visibly opaque media using 1310 nm light source is demonstrated. For comparison, micro-patterns are also inspected by the contact scanning mode Taylor Hobson system. Quantitative agreement suggests the possibility of using IR-TIE for phase imaging of silicon wafers.
URI: https://hdl.handle.net/10356/89429
http://hdl.handle.net/10220/47087
DOI: 10.1117/12.2078579
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2015 Society of Photo-optical Instrumentation Engineers (SPIE). This paper was published in Proceedings of SPIE - International Conference on Experimental Mechanics 2014 and is made available as an electronic reprint (preprint) with permission of Society of Photo-optical Instrumentation Engineers (SPIE). The published version is available at: [http://dx.doi.org/10.1117/12.2078579]. 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.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Conference Papers

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