• Michel Kempkes, Emmanouil Darakis, Taslima Khanam, Arvind Rajendran, Vinay Kariwala, Marco Mazzotti, Thomas J Naughton, and Anand K Asundi.
• School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459.
• Opt Express. 2009 Feb 16;17(4):2938-43.

AbstractA 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 micro-fibers. 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.

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