{"id":445233,"date":"2025-10-31T07:45:26","date_gmt":"2025-10-31T07:45:26","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/source-gaussian\/"},"modified":"2025-10-31T07:45:26","modified_gmt":"2025-10-31T07:45:26","slug":"source-gaussian","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/source-gaussian\/","title":{"rendered":"Source Gaussian"},"content":{"rendered":"<p>&lt;p&gt;I want to model the output of fibre which is gaussian having a total divergence of 0.1 radian and beam waist is 6mm .Then using a lens I need to collimate them.Which source should I use or if I am using Source Gaussian DLL,how to add divergence? In my current setup the beams are already collimated but I want beam to be diverging and then collimated by a lens. How can I design this ?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-445233","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27816"],"_bbp_topic_id":["445233"],"_bbp_subscription":["540424","596788","629159"],"_bbp_author_ip":["2401:4900:4e40:604a:2:1:6a0a:dac5"],"_bbp_last_reply_id":["445302"],"_bbp_last_active_id":["445302"],"_bbp_last_active_time":["2025-10-31 20:08:48"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["1"],"_bbp_voice_count":["2"],"_btv_view_count":["135"],"_bbp_topic_status":["unanswered"],"_bbp_engagement":["540424","596788"]},"test":"51d6feb27c6c8f30f60d81eaf368e65dcc14145e"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/445233","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\/445233\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=445233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}