Fingerprint verification by using low coherence digital holography

S. Plaipichit; P. Atta; P. Buranasiri; C. Ruttanapun; P. Jindajitawat

doi:10.1117/12.2021987

7 June 2013 Fingerprint verification by using low coherence digital holography

S. Plaipichit, P. Atta, P. Buranasiri, C. Ruttanapun, P. Jindajitawat

Proceedings Volume 8883, ICPS 2013: International Conference on Photonics Solutions; 888315 (2013) https://doi.org/10.1117/12.2021987
Event: International Conference on Photonics Solutions 2013, 2013, Pattaya City, Thailand

Abstract

In this paper, we have proposed the novel prototype of the portable fingerprint scanner. Using this method, the low coherence digital holography technique has been used to verify fingerprints. In our experiment, the Michelson’s interferometer has been setup first for determining the coherence length of a laser diode with wave length of 635 nm. In our model, the light transmission and reflection properties of the glass slide have been applied. Then, the glass slide has been used as a beam splitter for separating the light to two beams, which are the reference beam and fingerprint image bearing beam. The results show fingerprint pattern, which are reconstructed with numerical method.

Citation Download Citation

S. Plaipichit, P. Atta, P. Buranasiri, C. Ruttanapun, and P. Jindajitawat "Fingerprint verification by using low coherence digital holography", Proc. SPIE 8883, ICPS 2013: International Conference on Photonics Solutions, 888315 (7 June 2013); https://doi.org/10.1117/12.2021987

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