{"id":372705,"date":"2024-07-19T10:15:30","date_gmt":"2024-07-19T10:15:30","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/absorption-of-materials-in-infrared-regions\/"},"modified":"2024-07-19T10:15:30","modified_gmt":"2024-07-19T10:15:30","slug":"absorption-of-materials-in-infrared-regions","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/absorption-of-materials-in-infrared-regions\/","title":{"rendered":"Absorption of materials in infrared regions"},"content":{"rendered":"<p>Hi all,<\/p>\n<p>I want to simulate the absorption curve of a substance in the infrared region.<\/p>\n<p>I will write down the condition of the simulation below,<\/p>\n<p>type of simulation: FDTD 3D<\/p>\n<p>there is a sphere whose dispersion follows the imported data I made. Using the Lorentz function, I calculated the refractive index and fabricated the sphere myself.&nbsp;<\/p>\n<p>I inserted a Gaussian light source and monitored the power of transmittance with a frequency-domain field power monitor on the opposite side.<\/p>\n<p>However, I have not obtained the appropriate results. I couldn&#8217;t get absorption at a wavelength of 3um.<\/p>\n<p>&nbsp;<\/p>\n<div>Could you please tell me your advises?<\/div>\n<div>&nbsp;<\/div>\n<div>Thank you in advance.<\/div>\n<div>&nbsp;<\/div>\n<div id=\"x_Signature\">\n<div>Best regards<\/div>\n<\/div>\n","protected":false},"template":"","class_list":["post-372705","topic","type-topic","status-closed","hentry","topic-tag-3DFDTD-1","topic-tag-absorption-1","topic-tag-importdata-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["438245","2592"],"_bbp_author_ip":["133.3.201.93"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["147"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["372705"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","438245"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["372803"],"_bbp_last_active_id":["372803"],"_bbp_last_active_time":["2024-07-19 18:33:27"]},"test":"daad922a1dc40e62d5191677c9df1b7775d37eb4"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/372705","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\/372705\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=372705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}