https://www.23hq.com/tag/cross-polarisation en-us 23people http://www.23hq.com/resources/um-style/logo-20.gif http://blogs.law.harvard.edu/tech/rss https://www.23hq.com/rss/tag/cross-polarisation false https://www.23hq.com/seanlano/photo/6016651 <p><a href="https://www.23hq.com/seanlano/photo/6016651"><img src="https://www.23hq.com/5976495/6016651_6da643dd3b98ef7b1025afa730b0fba6_standard.jpg" width="460" height="307" class="23-standard"/></a></p><p>Photo 3 - This is a composite image of a perspex prism, being lit from behind by an LCD monitor and with a polariser on my lens. The plastic is exhibiting a property called birefringence, making the colours diffract causing the crazy pattern.</p> <p>This photograph is now available for purchase as a real, hard print. Your choice of framed or canvas print, thanks to Ph.Art Gallery. See my collection on the Ph.Art Gallery website here: <a rel="nofollow" href="http://www.photoartgallery.com/artist/seanlano">http://www.photoartgallery.com/artist/seanlano</a></p> <p style="margin-bottom: 0px;">*Note: The resolution of this image has been reduced to 1500x1000 maximum. If you need a larger version I can provide up to 3130x2087. Contact me through this website, with just a brief explanation of why you need a larger version and in which way I will be attributed as original creator. I am happy to provide the full resolution version, but I would also like to protect my ownership of the image.</p><p>Photo by <a href="https://www.23hq.com/seanlano/">Sean Lanigan</a></p> https://www.23hq.com/seanlano/photo/6016651 Mon, 13 Sep 2010 04:34:51 GMT