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Optical Engineering

Moisture effect of fingerprint using total internal reflection digital in-line holography
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Paper Abstract

Total internal reflection (TIR) is normally important in an optical fingerprint scanner. The moisture effect in a fingerprint scanner based on TIR has been explored by using digital in-line holography (DIH). First, the reflection and the transmission technique set up for DIH have been explored by using a positive resolution test target with a line width of 200

Paper Details

Date Published: 25 June 2014
PDF: 5 pages
Opt. Eng. 53(11) 112315 doi: 10.1117/1.OE.53.11.112315
Published in: Optical Engineering Volume 53, Issue 11
Show Author Affiliations
Suwan Plaipichit, King Mongkut's Institute of Technology Ladkrabang (Thailand)
Prathan Buranasiri, King Mongkut's Institute of Technology Ladkrabang (Thailand)

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