{"id":251260,"date":"2023-02-23T17:14:53","date_gmt":"2023-02-23T17:14:53","guid":{"rendered":"\/forum\/forums\/reply\/251260\/"},"modified":"2023-02-23T17:14:53","modified_gmt":"2023-02-23T17:14:53","slug":"251260","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/251260\/","title":{"rendered":"Reply To: Reflection is more than 1 with BFAST source for off-normal incident"},"content":{"rendered":"<p>&lt;p&gt;You can use grating analysis: <strong>https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360042088813-Diffraction-grating<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>10ps might still not be long enough: it may also need to use smaller autoshutoff min. those are the two main causes:<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>PML reflection<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>simulaiton not long enough by simulation time and(or) autoshutoff min.<\/strong>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-251260","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/251260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/251260\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=251260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}