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1 November 1996 Holographic fingerprint sensor
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Abstract
A prism fingerprint sensor is described which uses a holographic grating glued to a right angled prism. The quality of the fingerprint is very good; the pores on the ridges can be seen.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ramendra Deo Bahuguna and Tom Corboline "Holographic fingerprint sensor", Proc. SPIE 2863, Current Developments in Optical Design and Engineering VI, (1 November 1996); https://doi.org/10.1117/12.256219
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