Prism fingerprint sensor that uses a modified holographic optical element

Ramendra Deo Bahuguna; Natacha Supper

doi:10.1117/12.284067

25 September 1997 Prism fingerprint sensor that uses a modified holographic optical element

Ramendra Deo Bahuguna, Natacha Supper

Proceedings Volume 3130, Lens Design, Illumination, and Optomechanical Modeling; (1997) https://doi.org/10.1117/12.284067
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

This is an improved version of the prism fingerprint sensor described in an earlier paper by Bahuguna et. al.1. The new design uses a modified holographic grating glued to a right-angled truncated prism and is more compact than the previous one.

Citation Download Citation

Ramendra Deo Bahuguna and Natacha Supper "Prism fingerprint sensor that uses a modified holographic optical element", Proc. SPIE 3130, Lens Design, Illumination, and Optomechanical Modeling, (25 September 1997); https://doi.org/10.1117/12.284067

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