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http://hdl.handle.net/1783.1/6673
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| Title: | A high-resolution micro-circular-polarization-analyzer array for real-time active circular polarization imaging |
| Authors: | Zhao, Xiaojin
Bermak, Amine
Boussaid, Farid
Yao, Lishuang
Chigrinov, Vladimir G. |
| Keywords: | CMOS image sensors
Biomedical optical imaging
Light polarization
Liquid crystals |
| Issue Date: | Nov-2009 |
| Citation: | Proceedings 2009 IEEE Biomedical Circuits and Systems Conference, BioCAS 2009, 26-28 November 2009, Beijing, China, p. 49-52. |
| Abstract: | In this paper, a high-resolution micro-circularpolarization-analyzer (MCPA) array is presented and characterized. MCPAs for extracting right-handed and left-handed circularly polarized components of incident light are implemented by fabricating polymerizable-liquid-crystal (PLC) microretarders with perpendicular fast axes on top of a 45⁰ laminated linear polarizing film. With sulfonic-dye-1 (SD1) as the PLC photoalignment material, an MCPA feature size as small as 5μm is achieved. In addition, the concept of real-time active circular polarization image sensing and processing with targets illuminated by collimated circularly polarized light is enabled by the MCPA array’s on-chip integration with complementary metal-oxide-semiconductor (CMOS) image sensors. |
| Rights: | © 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| URI: | http://hdl.handle.net/1783.1/6673 |
| Appears in Collections: | ECE Conference Papers
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| AHighresolution.pdf | | 574Kb | Adobe PDF | View/Open |
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