Three dimensional digital holographic profiling of micro-fibers

Michel Kempkes, Emmanouil Darakis, Taslima Khanam, Arvind Rajendran, Vinay Kariwala, Marco Mazzotti, Thomas J. Naughton, Anand K. Asundi

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Abstract

A method to measure the size, orientation, and location of opaque micro-fibers using digital holography is presented. The method involves the recording of a digital hologram followed by reconstruction at different depths. A novel combination of automated image analysis and statistical techniques, applied on the intensity of reconstructed digital holograms is used to accurately determine the characteristics of the microfibers. The performance of the proposed method is verified with a single fiber of known length and orientation. The potential of the method for measurement of fiber length is further demonstrated through its application to a suspension of fibers in a liquid medium.

Original languageEnglish
Pages (from-to)2938-2943
Number of pages6
JournalOptics Express
Volume17
Issue number4
DOIs
Publication statusPublished - 16 Feb 2009
Externally publishedYes

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