Holographic diffuser for diffuse infrared wireless home networking

Jianping Yao; George C. K. Chen

doi:10.1117/1.1534592

1 February 2003 Holographic diffuser for diffuse infrared wireless home networking

Jianping Yao, George C. K. Chen

Optical Engineering, Vol. 42, Issue 2, (February 2003). https://doi.org/10.1117/1.1534592

We present the design and fabrication of holographic diffusers for diffuse IR wireless home networking. Three optimization methods—error reduction, input-output, and simulated annealing—are studied and used to calculate the computer-generated holograms, which are employed to fabricate the holographic diffusers. To evaluate the performance of the computer-generated holograms generated using these techniques, a cost function is defined and calculated for each hologram. The computer-generated hologram 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 computer-generated hologram onto a piece of quartz with a pixel size of 14×14 μm using a laser writing system is achieved, and the diffraction pattern of the diffuser is demonstrated.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jianping Yao and George C. K. Chen "Holographic diffuser for diffuse infrared wireless home networking," Optical Engineering 42(2), (1 February 2003). https://doi.org/10.1117/1.1534592

Published: 1 February 2003

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