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29 October 2001 Design and fabrication of holographic diffuser for diffuse infrared wireless home networking
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Proceedings Volume 4595, Photonic Systems and Applications; (2001)
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore
This paper reports the design and fabrication of holographic diffusers for diffuse infrared wireless home networking. Three optimization methods -- error reduction, input-output and simulated annealing, are employed to calculate the computer- generated holograms (CGHs), which are used to fabricate the holographic diffusers. To evaluate the performance of the CGHs generated using the different techniques, a cost function is defined and calculated for each hologram. The CGH generated from the simulated annealing is found to have the best output compared to the other two techniques. The diffusers are verified by displaying them onto a spatial light modulator. The fabrication of the CGH onto a piece of quartz with a pixel size of 14 micrometers X 14 micrometers using a laser writing system is also achieved.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianping Yao, Tiong Aik Koh, Oh Kian Tat, George C. K. Chen, Yee-Loy Lam, and Tuan-Kay Lim "Design and fabrication of holographic diffuser for diffuse infrared wireless home networking", Proc. SPIE 4595, Photonic Systems and Applications, (29 October 2001);

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