Holographic fingerprint sensor

Ramendra Deo Bahuguna; Tom Corboline

doi:10.1117/12.256219

1 November 1996 Holographic fingerprint sensor

Ramendra Deo Bahuguna, Tom Corboline

Proceedings Volume 2863, Current Developments in Optical Design and Engineering VI; (1996) https://doi.org/10.1117/12.256219
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

Citation Download Citation

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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