1. Bar-Ilan University, Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Ramat Gan 52900, Israel
2. MS University of Baroda, Applied Physics Department, Faculty of Technology and Engineering, Optics Laboratory, Vadodara 390001, India
3. University of Connecticut, Department of Electrical and Computer Engineering, Storrs, Connecticut 06269-4157, United States
4. ContinUse Biometrics Ltd., Tel-Aviv 6912209, Israel
5. Universitat de València, Departamento de Óptica, Burjassot 46100, Spain