


{"id":289554,"date":"2023-06-20T14:22:49","date_gmt":"2023-06-20T14:22:49","guid":{"rendered":"\/forum\/forums\/topic\/simulation-of-a-electromagnetic-field-and-getting-s11-parameter-of-a-wafer\/"},"modified":"2023-06-20T14:22:49","modified_gmt":"2023-06-20T14:22:49","slug":"simulation-of-a-electromagnetic-field-and-getting-s11-parameter-of-a-wafer","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-a-electromagnetic-field-and-getting-s11-parameter-of-a-wafer\/","title":{"rendered":"Simulation of a electromagnetic field and getting S11 parameter of a wafer"},"content":{"rendered":"<p>Hello everyone! I have to simulate the field of a radiation element and plot the S11 parameter of a silicon wafer placed in the vicinity of this field. My model is shown in the following picture:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/20-06-2023-1687269527-mceclip0.png\" width=\"425\" height=\"214\"><\/p>\n<p>I have a radiating element (consisting of yellow and green elements), a wafer (shown in gray not fully transparent), and a radiation box(transparent).<\/p>\n<p>My signal has a frequency of 9 GHz and is applied by a lumped port at the back of the radiation element shown here:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/20-06-2023-1687269662-mceclip1.png\" width=\"507\" height=\"256\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/20-06-2023-1687270531-mceclip5.png\" width=\"548\" height=\"275\"><\/p>\n<p>I have only this excitation and only one boundary condition on the transparent box-Radiation boundary.<\/p>\n<p>All materials are assigned:<\/p>\n<p>The radiation box is made of air, the wafer is silicon, the yellow parts of the radiating element are made of gold, and the green part of Taconic RF-60.<\/p>\n<p>My question is:&nbsp;<\/p>\n<p>How can I get the graphical 2D plot of the S11 parameter (as a function of frequency) of the wafer with a frequency sweep from 8 to 12 GHz, using the field that is radiated from the element as the one interacting with the wafer?&nbsp; I need it because my task is to measure how much is the reflected signal compared to the transmitted signal (V0- \/ V0+).<\/p>\n<p>Finally, I attach a picture of the 3D plot of the field that I simulated (which is the one that I want to use as the signal for the S11 parameter):<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/20-06-2023-1687270176-mceclip3.png\" width=\"408\" height=\"199\"><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/20-06-2023-1687270218-mceclip4.png\" width=\"600\" height=\"362\"><\/p>\n<p>The first picture here is the E field magnitude in the radiation box and the second one is the E field magnitude at the surface of interest of the silicon wafer.<\/p>\n<p>Best wishes!<\/p>\n<p>Kristiyan<\/p>\n","protected":false},"template":"","class_list":["post-289554","topic","type-topic","status-closed","hentry","topic-tag-reflection-2","topic-tag-boundary","topic-tag-electromagnetic","topic-tag-excitation","topic-tag-microwave","topic-tag-radiation","topic-tag-s11-1","topic-tag-surfacewaves-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["285059","195"],"_bbp_author_ip":["23.206.193.146"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1272"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["289554"],"_bbp_forum_id":["27793"],"_bbp_engagement":["195","285059"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["290690"],"_bbp_last_active_id":["290690"],"_bbp_last_active_time":["2023-06-28 08:59:01"]},"test":"kristiyanpetkov98gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/289554","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\/289554\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=289554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}