4Madhusudana Rao S.Method for producing correct fingerprints [J].Applied Optics,2008,47(1):25-29.
5Santo Sumriddetchkajorn,Suwannee Phoojaruenchanachai.Geometrical optics analysis for reduction of trapezoidal image distortion in a single prism-based optical fingerprint s canner[J].Optics and Lasers in Engineering,2007,45:229-239.
6Chang Wen-Yang,Cheng Ying-Hui,Liu Shu-Yuan,et al.Dynamic behavior investigation of the piezoelectric PVDF for flexible fingerprint[J] .Materials Research Society Symposium Proceedings, 2006,949:123-130.
7Schmitt R M,Scott W G,Irving R D,et al.Ultrasonic imaging of fingerprints using acoustical impediography [C]. Ultrasonics Symposium, IEEE. Montreal, Canada, USA: Piscataway, 2004: 680-688.
8Xue Shicheng,Martijn A van Eijkelenborg,GeoffW Barton,et al.Theoretical, numerical, and experimental analysis of optical fiber tapering[J].Journal of Lightwave Technology,2007,25(5): 1169-1176.