Light Beam that Bends


	Light Beam that Bends

willhelm

12-13-2007 1:42 AM

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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://www.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/45931058-d3aa-4047-8600-5f5d586a0558/01FC330A-FBC9-4FF1-A798-F5C0D9F1174E/" 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://focus.aps.org/story/v20/st19" href="http://focus.aps.org/story/v20/st19" style="font-size: 11px;">focus.aps.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://focus.aps.org/story/v20/st19"><P>A new optics experiment makes a light beam appear to bend in air. The brightest patch of the beam also appears to travel with almost no spreading, unlike ordinary laser beams, as a team reports in the 23 November <I>Physical Review Letters</I>. The so-called Airy beam may lead to new kinds of optical engineering. </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://focus.aps.org/story/v20/st19"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/focus.aps.org/img/8A593644-61FE-4F79-911D-EDAEE7BC6ADB" alt="Airy beam" /></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://focus.aps.org/story/v20/st19"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/focus.aps.org/img/0F94E89B-970B-4DBE-9725-AC8777417AAB" alt="Airy beam" /></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://focus.aps.org/story/v20/st19"><P class="picture_caption"> <B>Impossible light.</B> The Airy beam--now created in the lab--bends sideways by about 1 milimeter over the 35-centimeter section shown in this computer simulation (top, horizontal axis exaggerated). The two-dimensional version is shown with the beam facing us (bottom).</P></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/01FC330A-FBC9-4FF1-A798-F5C0D9F1174E/blog/" title="blog or email this clip"><img src="http://content7.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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