Document Detail

Holographic three-dimensional telepresence using large-area photorefractive polymer.
MedLine Citation:
PMID:  21048763     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Holography is a technique that is used to display objects or scenes in three dimensions. Such three-dimensional (3D) images, or holograms, can be seen with the unassisted eye and are very similar to how humans see the actual environment surrounding them. The concept of 3D telepresence, a real-time dynamic hologram depicting a scene occurring in a different location, has attracted considerable public interest since it was depicted in the original Star Wars film in 1977. However, the lack of sufficient computational power to produce realistic computer-generated holograms and the absence of large-area and dynamically updatable holographic recording media have prevented realization of the concept. Here we use a holographic stereographic technique and a photorefractive polymer material as the recording medium to demonstrate a holographic display that can refresh images every two seconds. A 50 Hz nanosecond pulsed laser is used to write the holographic pixels. Multicoloured holographic 3D images are produced by using angular multiplexing, and the full parallax display employs spatial multiplexing. 3D telepresence is demonstrated by taking multiple images from one location and transmitting the information via Ethernet to another location where the hologram is printed with the quasi-real-time dynamic 3D display. Further improvements could bring applications in telemedicine, prototyping, advertising, updatable 3D maps and entertainment.
P-A Blanche; A Bablumian; R Voorakaranam; C Christenson; W Lin; T Gu; D Flores; P Wang; W-Y Hsieh; M Kathaperumal; B Rachwal; O Siddiqui; J Thomas; R A Norwood; M Yamamoto; N Peyghambarian
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Nature     Volume:  468     ISSN:  1476-4687     ISO Abbreviation:  Nature     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-04     Completed Date:  2011-01-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0410462     Medline TA:  Nature     Country:  England    
Other Details:
Languages:  eng     Pagination:  80-3     Citation Subset:  -    
College of Optical Sciences, The University of Arizona, Tucson, Arizona 85721, USA.
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