{"id":285714,"date":"2023-05-25T12:25:35","date_gmt":"2023-05-25T12:25:35","guid":{"rendered":"\/forum\/forums\/topic\/reflectivity-of-dbr-too-low\/"},"modified":"2023-06-02T09:55:00","modified_gmt":"2023-06-02T09:55:00","slug":"reflectivity-of-dbr-too-low","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/reflectivity-of-dbr-too-low\/","title":{"rendered":"Reflectivity of DBR too low"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I am trying to simulate a Distributed Bragg Reflector that is optimized for maximum reflectance at 1550nm. I have checked the simulation geometry and it seems to be correct, so I am wondering about other causes of such a low reflectance. (It should be around 1.) Are there any simulation settings that I might have overlooked, causing this behaviour?<\/p>\n<p>Please let me know if you need more input.<\/p>\n<p>Thanks in advance!<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/25-05-2023-1685017329-mceclip0.png\"><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-285714","topic","type-topic","status-closed","hentry","topic-tag-BraggGrating-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I am trying to simulate a Distributed Bragg Reflector that is optimized for maximum reflectance at 1550nm. I have checked the simulation geometry and it seems to be correct, so I am wondering about other causes of such a low reflectance. (It should be around 1.) 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I have checked the simulation geometry and it seems to be correct, so I am wondering about other causes of such a low reflectance. (It should be around 1.) Are there any simulation settings that I might have\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/25-05-2023-1685017329-mceclip0.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/reflectivity-of-dbr-too-low\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/BraggGrating-1\\\/#listItem\",\"name\":\"Bragg-Grating\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/BraggGrating-1\\\/#listItem\",\"position\":3,\"name\":\"Bragg-Grating\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/BraggGrating-1\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/reflectivity-of-dbr-too-low\\\/#listItem\",\"name\":\"Reflectivity of DBR too low\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/reflectivity-of-dbr-too-low\\\/#listItem\",\"position\":4,\"name\":\"Reflectivity of DBR too low\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/BraggGrating-1\\\/#listItem\",\"name\":\"Bragg-Grating\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/reflectivity-of-dbr-too-low\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/reflectivity-of-dbr-too-low\\\/\",\"name\":\"Reflectivity of DBR too low | Ansys Learning Forum\",\"description\":\"Hi,I am trying to simulate a Distributed Bragg Reflector that is optimized for maximum reflectance at 1550nm. 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