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3 June 2002 Analysis of imaging characteristics and design of HOE considering light efficiency using the hologram CAD tool
Yasuhiro Awatsuji, Yukio Matsuura, Tohru Shimizu, Toshihiro Kubota
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Proceedings Volume 4659, Practical Holography XVI and Holographic Materials VIII; (2002) https://doi.org/10.1117/12.469258
Event: Electronic Imaging, 2002, San Jose, California, United States
Abstract
The authors present the hologram computer-aided design (CAD) tool, and analysis of imaging characteristics of holographic optical element (HOE) taking light efficiency into consideration using the tool. The tool, which the authors have been developed, is specialized in hologram and provides the capability of analysis, simulations, and designing of holograms. The function of analyzing the imaging characteristics of the tool calculates imaging point and displays spot diagram. HOE lenses, whose the recording and reconstruction wavelengths are different each other, are designed and their characteristics are analyzed taking light efficiency into consideration by the tool. The result of the analysis show that although the spot diagram with considering light efficiency has the same intensity as that without it, the RMS radius of the spot diagram can be reduced. The tool has been also extended to deal with a Gaussian beam as intensity profile of the illuminating wave of hologram for more precise and high flexible analysis. The Gaussian beam is implemented by weighting individual reconstructing ray with relative intensity. The analysis taking light efficiency and the weight into consideration is useful to clarify more effective HOE lens and helpful for designing practical holograms.
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Yasuhiro Awatsuji, Yukio Matsuura, Tohru Shimizu, and Toshihiro Kubota "Analysis of imaging characteristics and design of HOE considering light efficiency using the hologram CAD tool", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); https://doi.org/10.1117/12.469258
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KEYWORDS
Holograms
Computer aided design
Holographic optical elements
Optical design
Diffraction
Gaussian beams
Spherical lenses
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