{"id":244929,"date":"2022-12-27T17:45:45","date_gmt":"2022-12-27T17:45:45","guid":{"rendered":"\/forum\/forums\/topic\/e-intensity-and-ex-component-definition\/"},"modified":"2022-12-27T17:45:45","modified_gmt":"2022-12-27T17:45:45","slug":"e-intensity-and-ex-component-definition","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/e-intensity-and-ex-component-definition\/","title":{"rendered":"E intensity and Ex component definition"},"content":{"rendered":"<p>Hi All<\/p>\n<p>I am simulating fibre mode now and am a little bit confused about the difference between &#8220;E intensity&#8221; and &#8220;Ex, Ey, Ez.&#8221;&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/12\/27-12-2022-1672162792-mceclip0.png\"><\/p>\n<p>In fibre data sheet, we always say that the Mode Field Diameter is how many um. MFD is typically defined as the radial position where intensity falls to e-2 of the peak intensity. So MFD definition sounds like the definition of &#8220;effective mode area&#8221; in Lumerical.<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/12\/27-12-2022-1672163048-mceclip1.png\"><\/p>\n<p>However, could someone please explain the difference between the difference of each E component? And which E component is used for calculating the MFD (effective area)?<\/p>\n<p>Thank you very much!<\/p>\n","protected":false},"template":"","class_list":["post-244929","topic","type-topic","status-closed","hentry","topic-tag-definition-1","topic-tag-FDE-1","topic-tag-fiber","topic-tag-photonics"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["215234","2592"],"_bbp_author_ip":["96.7.74.191"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1803"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["244929"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","215234"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["244946"],"_bbp_last_active_id":["244946"],"_bbp_last_active_time":["2022-12-27 21:44:23"]},"test":"iqnloquantumlah-org"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/244929","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\/244929\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=244929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}