Updatable 3D Holographic Displays with memory


	Updatable 3D Holographic Displays with memory
rj3sp
3-3-2008 1:50 PM
292 views
tags:
science
rj3sp says:
University of Arizona optical scientists have developed three-dimensional holographic displays that can be erased and rewritten in a matter of minutes.
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/8562fb32-d473-4751-81dd-4a07bb1ed70e/BDF81546-D7A7-4511-96B3-32349E19843B/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.sciam.com/article.cfm?id=hologram-photoreflective-polymer-film&sc=rss" href="http://www.sciam.com/article.cfm?id=hologram-photoreflective-polymer-film&sc=rss" style="font-size: 11px;">www.sciam.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=hologram-photoreflective-polymer-film&sc=rss"><H2>The world's first reusable 3-D screen debuts, thanks to new photorefractive film that can be written on and erased again and again</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=hologram-photoreflective-polymer-film&sc=rss"><P>Researchers at the University of Arizona's College of Optical Sciences (OSC) in Tucson, and engineers from Nitto Denko Technical Corporation, in Oceanside, Calif., recently unveiled a prototype of a photorefractive polymer film on which 3-D images can be recorded, erased and replaced with new images. When carried out swiftly enough, this process leads to a series of images on the film that deliver three-dimensional action that can be picked up by the naked eye.</P></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content9.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://uanews.org/node/18022" href="http://uanews.org/node/18022" style="font-size: 11px;">uanews.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://uanews.org/node/18022"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/uanews.org/img/9D80DEF0-ADF0-44C4-AE86-4948903154FD" alt="The University of Arizona" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://uanews.org/node/18022"><H3 class="subheading">The new device has medical, industrial, military applications.</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://uanews.org/node/18022"><P>The holographic displays <SPAN>–</SPAN> which are viewed without special eyewear <SPAN>–</SPAN> are the first updatable three-dimensional displays with memory ever to be developed, making them ideal tools for medical, industrial and military applications that require "situational awareness."</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://uanews.org/node/18022"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/uanews.org/img/71800F32-4F50-44A9-9130-D570620830D3" alt="fig4b_tay_08994A-copy.jpg" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://uanews.org/node/18022"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/uanews.org/img/1EE13036-0BD4-49A8-ADA9-22B7BA20F019" alt="fig4a_tay_08994A-copy.jpg" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://uanews.org/node/18022"><DIV class="clear-block block block-uanews" id="block-uanews-2">
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  <DIV class="media"><CENTER><A href="http://uanews.org/node/18073"><IMG width="100" height="67" class="image thumbnail video_image_teaser" title="Hologram" alt="Hologram" src="http://uanews.org/system/files/images/Hologram.thumbnail.jpg" /></A><BR class="video_image_clear" /></CENTER><A href="http://uanews.org/node/18073">Watch the video</A><BR /></DIV>  </DIV>
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</DIV></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content9.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.optics.arizona.edu/savas/research2.htm" href="http://www.optics.arizona.edu/savas/research2.htm" style="font-size: 11px;">www.optics.arizona.edu</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.optics.arizona.edu/savas/research2.htm"><P align="left"><U>
<FONT face="Trebuchet MS" color="#cc3300"><A name="PR"></A>Photorefractive 
polymers and nonlinear optics</FONT></U></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.optics.arizona.edu/savas/research2.htm"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.optics.arizona.edu/img/D0DF5EB3-5E8B-405E-B788-5B340AFB9D72" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.optics.arizona.edu/savas/research2.htm"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.optics.arizona.edu/img/51F28304-68BC-4631-AA1D-1073860F4DA7" alt="" /></div></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/BDF81546-D7A7-4511-96B3-32349E19843B/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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