Slide show

3D displays hit supermarkets 

Supermarkets throughout the Netherlands are set to roll out xyZ 3D displays showing a new Pepsi advertisement.

The 'Pepsi Foot Volley' campaign was converted into 3D by Zero Creative, 3D marketing and communications specialist.

An updatable holographic three-dimensional display

An updatable holographic three-dimensional display

Nature 451, 694-698 (7 February 2008)

Holographic three-dimensional (3D) displays1, 2 provide realistic images without the need for special eyewear, making them valuable tools for applications that require situational awareness, such as medical, industrial and military imaging. Currently commercially available holographic 3D displays3 use photopolymers that lack image-updating capability, resulting in restricted use and high cost. 

Photorefractive polymers4, 5, 6, 7, 8, 9 are dynamic holographic recording materials that allow updating of images and have a wide range of applications, including optical correlation10, imaging through scattering media11 and optical communication12, 13. To be suitable for 3D displays, photorefractive polymers need to have nearly 100% diffraction efficiency, fast writing time, hours of image persistence, rapid erasure, and large area—a combination of properties that has not been shown before. Here, we report an updatable holographic 3D display based on photorefractive polymers with such properties, capable of recording and displaying new images every few minutes. This is the largest photorefractive 3D display to date (4 times 4 inches in size); it can be recorded within a few minutes, viewed for several hours without the need for refreshing, and can be completely erased and updated with new images when desired.  [PERMALINK]

Savas cedil Tay1, P.-A. Blanche1, R. Voorakaranam1, A. V. Tunç1, W. Lin2, S. Rokutanda2, T. Gu2, D. Flores2, P. Wang2, G. Li1, P. St Hilaire1, J. Thomas1, R. A. Norwood1, M. Yamamoto2 & N. Peyghambarian1

  1. College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA
  2. Nitto Denko Technical Corporation, Oceanside, California 92054, USA



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