1. Fast subsurface fingerprint imaging with full-field optical coherence tomography system equipped with a silicon camera

    Fast subsurface fingerprint imaging with full-field optical coherence tomography system equipped with a silicon camera

    Images recorded below the surface of a finger can have more details and be of higher quality than conventional surface fingerprint images. This is particularly true when the quality of the surface fingerprints is compromised by, for example, moisture or surface damage. However, there is an unmet need for a cost effective fingerprint sensor that could record high-quality images at sufficient depth below the surface and in short-enough time. To this end, we report on a relatively inexpensive full-field optical coherent tomography (FF-OCT) system comprised of a novel silicon camera and a LED source emitting at 850 nm. The system ...

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