{"title":"A miniature fiber-optic raster scanner for 2D optocal imaging of biological tissue","authors":"H. Mansoor, H. Zeng, I. Tai, J. Zhao, M. Chiao","doi":"10.1109/MEMSYS.2013.6474196","DOIUrl":null,"url":null,"abstract":"This paper presents a handheld device for reflectance confocal imaging of biological tissue. A two-dimensional fiber optic raster scanner has been designed, manufactured and assembled in standard half-inch lens tubes. The scanner is driven by electromagnetic forces and provides large actuation range of ≥1 mm in both directions with driving current of ≤ 200 mA. Light polarization effects have been employed to improve image quality and contrast. The confocal scanner has lateral resolution of about 1.5 μm with imaging speed of 6 frames per second. Confocal images of a resolution target, fruit fly wing and excised normal human colon tissue were obtained as a preliminary study.","PeriodicalId":92162,"journal":{"name":"2013 IEEE 26th International Conference on Micro Electro Mechanical Systems (MEMS 2013) : Taipei, Taiwan, 20-24 January 2013. IEEE International Conference on Micro Electro Mechanical Systems (26th : 2013 : Taipei, Taiwan)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE 26th International Conference on Micro Electro Mechanical Systems (MEMS 2013) : Taipei, Taiwan, 20-24 January 2013. IEEE International Conference on Micro Electro Mechanical Systems (26th : 2013 : Taipei, Taiwan)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEMSYS.2013.6474196","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
This paper presents a handheld device for reflectance confocal imaging of biological tissue. A two-dimensional fiber optic raster scanner has been designed, manufactured and assembled in standard half-inch lens tubes. The scanner is driven by electromagnetic forces and provides large actuation range of ≥1 mm in both directions with driving current of ≤ 200 mA. Light polarization effects have been employed to improve image quality and contrast. The confocal scanner has lateral resolution of about 1.5 μm with imaging speed of 6 frames per second. Confocal images of a resolution target, fruit fly wing and excised normal human colon tissue were obtained as a preliminary study.
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