YUAN LUO2018-09-102018-09-102002http://www.scopus.com/inward/record.url?eid=2-s2.0-0036538974&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/297690Free-space Fresnel diffraction for the approximation of fractional Fourier transformjournal article10.1023/A:1015016625230