Light-modulation characteristics of LCD panel and reconstruction of high-quality color 3-D images

Kunihiro Sato

doi:10.1117/12.809981

3 February 2009 Light-modulation characteristics of LCD panel and reconstruction of high-quality color 3-D images

Kunihiro Sato

Proceedings Volume 7233, Practical Holography XXIII: Materials and Applications; 72330J (2009) https://doi.org/10.1117/12.809981
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Effects of the light-modulation characteristics of a LCD panel on the image reconstruction are discussed. Experimental results show that the optical images are lower in quality than the numerical ones reconstructed from the same hologram. Effects of the bit-depth limitation in quantization, and the phase change of modulated light are studied by the numerical simulation. Simulation results indicate that the nonlinear characteristics of the LCD panel and the phase change of amplitude-modulated light can have considerable influences upon the quality of images. Especially, the contrast of images becomes low. The static or the dynamic characteristics are measured for LCD panels by using the holographic technique, and their effects on the image reconstruction are discussed. New methods are also described for improving the quality of images reconstructed from the holographic display. The nonlinear response of the LCD panel and the phase change of modulated light can be made correction for the improvement of image quality by modifying the complexamplitude hologram.

Citation Download Citation

Kunihiro Sato "Light-modulation characteristics of LCD panel and reconstruction of high-quality color 3-D images", Proc. SPIE 7233, Practical Holography XXIII: Materials and Applications, 72330J (3 February 2009); https://doi.org/10.1117/12.809981

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