{"id":372708,"date":"2024-07-19T10:23:03","date_gmt":"2024-07-19T10:23:03","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-model-a-fresnel-reflection\/"},"modified":"2024-09-20T10:52:29","modified_gmt":"2024-09-20T10:52:29","slug":"how-to-model-a-fresnel-reflection","status":"answered","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-model-a-fresnel-reflection\/","title":{"rendered":"How to model a Fresnel reflection"},"content":{"rendered":"<p>I am trying to visualize Fresnel&#8217;s diffraction pattern of a laser source passing through a solid slit of 5 &mu;m. I want to model the diffraction observed in the real world when a laser passes through these slits. How can I achieve this in Zemax? Any help and tutorials would be much appreciated. Current Approach:<\/p>\n<ol>\n<li>Non-sequential simulation.<\/li>\n<li>Coherent laser source.<\/li>\n<li>CAD model of a 5 &mu;m slit with absorption properties.<\/li>\n<li>Ray trace with split and scatter NSC rays.<\/li>\n<li>Visualize the coherence irradiance in the detector<\/li>\n<\/ol>\n<p>My current setup.<br \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/19-07-2024-1721384961-mceclip0.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/19-07-2024-1721384987-mceclip1.png\"> Original image&nbsp;what I want to model and see:<br \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/19-07-2024-1721385066-mceclip2.png\"> <br \/>Thank you in advance for your assistance!<\/p>\n","protected":false},"template":"","class_list":["post-372708","topic","type-topic","status-answered","hentry","topic-tag-diffraction-1","topic-tag-non-sequential","topic-tag-raytrace","topic-tag-scattering"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am trying to visualize Fresnel&#039;s diffraction pattern of a laser source passing through a solid slit of 5 \u03bcm. I want to model the diffraction observed in the real world when a laser passes through these slits. How can I achieve this in Zemax? Any help and tutorials would be much appreciated. Current Approach:\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-model-a-fresnel-reflection\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to model a Fresnel reflection | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am trying to visualize Fresnel&#039;s diffraction pattern of a laser source passing through a solid slit of 5 \u03bcm. I want to model the diffraction observed in the real world when a laser passes through these slits. How can I achieve this in Zemax? Any help and tutorials would be much appreciated. 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