{"id":429701,"date":"2025-04-23T09:07:43","date_gmt":"2025-04-23T09:07:43","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/zemax-requesting-help-for-fresnel-lens-simulation\/"},"modified":"2025-04-23T09:07:43","modified_gmt":"2025-04-23T09:07:43","slug":"zemax-requesting-help-for-fresnel-lens-simulation","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/zemax-requesting-help-for-fresnel-lens-simulation\/","title":{"rendered":"(Zemax) Requesting Help for Fresnel Lens Simulation"},"content":{"rendered":"<p>&lt;p&gt;Hi, my name is Peter Jeon, and I&#8217;m a master&#8217;s student in aerospace engineering.&lt;\/p&gt;&lt;p&gt;My current research involves fresnel lenses and now I need to <strong>verify the performance of fresnel lenses<\/strong> using the simulation.&lt;\/p&gt;&lt;p&gt;The senior in my lab recommended that I use Zemax, so I&#8217;m currently taking crash courses&nbsp; on Zemax, but am still having difficulties in conducting my simulation.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<strong>Example of the simulation I wish to conduct:<\/strong>&lt;\/p&gt;&lt;p&gt;<strong><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/04\/23-04-2025-1745398868-mceclip0.png\" \/><\/strong>&lt;\/p&gt;&lt;p&gt;Ray tracing simulation of the fresnel lens&lt;\/p&gt;&lt;p&gt;<strong><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/04\/23-04-2025-1745398876-mceclip1.png\" \/><\/strong>&lt;\/p&gt;&lt;p&gt;Performance analysis of the fresnel lens.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;My desired simulations are separated into two parts: <strong>Part 1) Whole Lens Analysis<\/strong> and <strong>Part 2) Sectioned Lens Analysis<\/strong>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<strong>Part 1) Whole Lens Analysis<\/strong>&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Objective: Detect the rays at the focal point.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;The specifics of my simulation is as follows:&lt;\/p&gt;&lt;p&gt;Lens:&lt;\/p&gt;&lt;p&gt;Fresnel lens diameter (inch): 24.4&lt;\/p&gt;&lt;p&gt;Lens thickness (inch): 0.244&lt;\/p&gt;&lt;p&gt;Groove per inch of the lens: 100&lt;\/p&gt;&lt;p&gt;&nbsp;Transmission(%): 85&lt;\/p&gt;&lt;p&gt;Lens Material: Acryl&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Setup:&lt;\/p&gt;&lt;p&gt;Ray source &amp; Lens distance (in): 12.2&lt;\/p&gt;&lt;p&gt;Lens &amp; Image(Ray detector) distance (in): 12.2&lt;\/p&gt;&lt;p&gt;Ray: Total 100,000 uniformly distributed rays&lt;br&gt;&lt;br&gt;&lt;\/p&gt;&lt;p&gt;I also attached an image regarding the simulation.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/04\/23-04-2025-1745398470-IMG_5811.JPEG\" alt=\"\" width=\"720\" height=\"223\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<strong>Part 2) Sectioned Lens Analysis<\/strong>&lt;\/p&gt;&lt;p&gt;After this simulation, I&#8217;m planning on varying the lens area(by cutting the lens into circular sectors of different angles) and conduct the simulation again.&lt;\/p&gt;&lt;p&gt;The plan is &#8216;to create initial fresnel lens from the Part 1 above -&gt; export the lens to SOLIDWORKS -&gt; modify the lens into desired sections -&gt; import the modified lens back into Zemax -&gt; conduct simulation&#8217;.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Objective: &lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Detect the rays at the focal point for each variation of the fresnel lens.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;Setup: The setup is identical to Part 1 above.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/04\/23-04-2025-1745398521-IMG_5808.JPEG\" alt=\"\" width=\"786\" height=\"537\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I&#8217;m new to this software, and I know that the information that I wrote may not be enough to conduct the simulation that I wish to perform.&lt;\/p&gt;&lt;p&gt;So if anyone can help me with this, it be very helpful for me.&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Please provide step-by-step explanation to achieve my goals.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;text-decoration: underline;&#8221;&gt;I would like to conduct Part 1 successfully and then move on to&nbsp; Part 2.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;background-color: #f1c40f;&#8221;&gt;Any comments of recommendations regarding my simulation are welcome.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thank you in advance :)&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-429701","topic","type-topic","status-publish","hentry","topic-tag-diffractive-optics","topic-tag-fresnel","topic-tag-optics","topic-tag-opticstudio"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27816"],"_bbp_topic_id":["429701"],"_bbp_subscription":["543871","50911"],"_bbp_author_ip":["143.248.69.98"],"_bbp_last_reply_id":["429835"],"_bbp_last_active_id":["429835"],"_bbp_last_active_time":["2025-04-24 00:10:08"],"_bbp_reply_count":["2"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["543871","50911"],"_btv_view_count":["265"],"_bbp_topic_status":["unanswered"]},"test":"jeonhjkaist-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/429701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/429701\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=429701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}