Computer generated holograms using personal computers |
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| Authors: | Xiangxi Chen Jacob Huang Eddie Loh |
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| Affiliation: | 1. State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi''an University of Technology, Xi''an 710048, P.R. China;2. Department of Ecology, Engineering Research Center for Tropical and Subtropical Aquatic Ecological Engineering Ministry of Education, Jinan University, Guangzhou 510632, P.R. China;3. School of Civil Engineering, Yantai University, Yantai, 264005, P.R. China;4. Department of Municipal and Environmental Engineering, School of Water Resources and Hydroelectric Engineering, Xi''an University of Technology, Xi''an 710048, P.R. China;5. Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Madrid, Spain;1. UCLA Department of Urban Planning, UCLA, Los Angeles, CA, USA;2. UC Berkeley, Department of City and Regional Planning, Berkeley, CA, USA |
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| Abstract: | Holography or the method of wave-front reconstruction to produce an image was introduced by D. Gabor in 1948. Normally a laser is necessary to produce holograms in the laboratory. This paper introduces the usage of the high resolution display of the IBM-PC and a graphics printer to generate holograms. The advantages of using this method are that holograms of real or fictitious objects can be made, since all objects can be represented by a collection of points and one does not need an elaborate set up to make the holograms. This method is also useful for making Fourier transform holograms, image plane holograms, spatial filters, optical elements, etc.1,2 |
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