{"id":364697,"date":"2024-04-29T13:13:23","date_gmt":"2024-04-29T13:13:23","guid":{"rendered":"\/forum\/forums\/topic\/a-possible-bug-with-materials-in-diagonal-settings\/"},"modified":"2024-04-29T13:13:23","modified_gmt":"2024-04-29T13:13:23","slug":"a-possible-bug-with-materials-in-diagonal-settings","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/a-possible-bug-with-materials-in-diagonal-settings\/","title":{"rendered":"A possible bug with Materials in diagonal settings"},"content":{"rendered":"<p>Hi there,<\/p>\n<p>Maybe I found a bug. I use the diagonal refractive index of materials with dispersion and loss. When setting the FDTD or RCWA, I use light source with z direction and back emission, corresponding to the nx, ny, nz of the materials to the setting x, y, z axis in lumerical.<\/p>\n<p>The problem is that I cannot get a correct result till I define nz&#8217;=nz, and ny&#8217;=ny, exchanging y and z axis basically. I am confused to this result.&nbsp;<\/p>\n<p>Maybe I am wrong at some points.&nbsp;<\/p>\n<p>Could anyone help? I am happy to talk or set a zoom meeting. Thanks a lot!<\/p>\n","protected":false},"template":"","class_list":["post-364697","topic","type-topic","status-closed","hentry","topic-tag-2dmaterialsandmetals-1","topic-tag-Photoniccrystal-1","topic-tag-reflection-2"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi there,Maybe I found a bug. I use the diagonal refractive index of materials with dispersion and loss. When setting the FDTD or RCWA, I use light source with z direction and back emission, corresponding to the nx, ny, nz of the materials to the setting x, y, z axis in lumerical.The problem is that\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/a-possible-bug-with-materials-in-diagonal-settings\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"A possible bug with Materials in diagonal settings | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi there,Maybe I found a bug. I use the diagonal refractive index of materials with dispersion and loss. When setting the FDTD or RCWA, I use light source with z direction and back emission, corresponding to the nx, ny, nz of the materials to the setting x, y, z axis in lumerical.The problem is that\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/a-possible-bug-with-materials-in-diagonal-settings\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-04-29T13:13:23+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-04-29T13:13:23+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"A possible bug with Materials in diagonal settings | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi there,Maybe I found a bug. I use the diagonal refractive index of materials with dispersion and loss. 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I use the diagonal refractive index of materials with dispersion and loss. 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