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Journal Article Exact Light Propagation between Rotated Planes Using Non-Uniform Sampling and Angular Spectrum Method
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Authors
Yong-Hae Kim, Gi Heon Kim, Hojun Ryu, Hye-Yong Chu, Chi-Sun Hwang
Issue Date
2015-06
Citation
Optics Communications, v.344, pp.1-6
ISSN
0030-4018
Publisher
Elsevier
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1016/j.optcom.2015.01.029
Project Code
14MR8100, Development of Telecommunications Terminal with Digital Holographic Table-top Display, Jin Woong Kim
Abstract
A novel method is proposed for simulating exact light propagation between rotated planes using non-uniform sampling and angular spectrum method. Angular spectrum method (ASM) was widely used for simulating light diffraction between rotated planes using uniform sampling and interpolation of positive spatial frequency spectrums along z axis on a rotated destination plane which is an approximation valid only for large sampling interval on a source plane and for small rotation angle of a destination plane. To simulate exact wave propagation between rotated planes independent on sampling interval on a source plane or rotation angle of a destination plane, we applied non-uniform sampling to angular spectrum method. In the proposed method, we can produce simulation results between rotated planes with high accuracy for any sampling interval on a source plane or for any rotated angle.
KSP Keywords
Angular spectrum, High accuracy, Light diffraction, Light propagation, Non-uniform sampling, Spatial Frequency, novel method, rotation angle, sampling and interpolation, sampling interval, simulation results