Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Haifa Zhao"'
Publikováno v:
European Journal of Physics. 42:055302
Autor:
Qingyan Wang, Hongbin Geng, Chengyue Sun, Xingji Li, Haifa Zhao, Weilong Liu, Jingdong Xiao, Zhaochu Hu
Publikováno v:
Journal of Applied Physics; 2016, Vol. 119 Issue 2, p023103-1-023103-7, 7p
Publikováno v:
American Journal of Physics. 81:670-675
A simple geometric method based on wave-front analysis is developed to provide a concise explanation for the various interference fringes in a Michelson interferometer without the compensator plate. In view of the fact that a homocentric pencil of ra
Publikováno v:
Optik. 122:1010-1013
We present a novel multi-image encryption and decryption algorithm based on Fourier transform and fractional Fourier transforms. Lower frequency parts of the original images are selected, frequency shifted and encrypted by using double phase encoding
Publikováno v:
Optics Communications. 281:4188-4193
In this paper, the general focal length function is used to design two-dimensional closed-boundary cylindrical microlenses (CBCMs) with long focal depth. The focusing characteristics of the designed microlenses is investigated by rigorous electromagn
Publikováno v:
Optik. 115:232-240
Summary The sliced orthogonal nonlinear generalized (SONG) decomposition and correlation have been demonstrated to be powerful tools in digital image processing and promising for nonlinear optical information processing. In this paper, we propose an
Publikováno v:
Optik. 115:409-419
Summary A sliced orthogonal nonlinear generalized (SONG) decomposition based version of modified fringe-adjusted joint transform correlator (MFJTC), SBFJTC, is proposed. In SBFJTC scheme, the reference and input scenes are decomposed into a set of bi
Publikováno v:
Optik. 114:95-99
Summary We propose a novel image encryption method that combines the pure intensity random encoding and the digital holography technique. A phase-shifting interferometer records both phase and amplitude information of a complex object with a CCD sens
Publikováno v:
Optik. 113:209-212
Summary A novel three-dimensional (3-D) transparent object-recognition method is proposed. It combines the digital holographic technique with the fractional Fourier transform. The complex amplitude distribution of the 3-D transparent object can be re
Publikováno v:
Optics express. 17(22)
Plasmonic reflectors based on serial stub structure are studied in this paper. A general theory of periodic stub structure using transmission line model is developed. The transmission characteristics, e.g., periodicity and symmetry of the spectra, ar