{"id":393060,"date":"2024-11-06T19:45:25","date_gmt":"2024-11-06T19:45:25","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/"},"modified":"2024-11-06T19:45:25","modified_gmt":"2024-11-06T19:45:25","slug":"393060","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/","title":{"rendered":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898"},"content":{"rendered":"<p>&lt;p&gt;&ldquo;\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684&rdquo; \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf&nbsp; \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002&lt;\/p&gt;&lt;p&gt;&#8221;Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002&#8221;&lt;\/p&gt;&lt;p&gt;\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002&lt;\/p&gt;&lt;p&gt;&ldquo;\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684&rdquo; \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002&lt;\/p&gt;&lt;p&gt;&ldquo;theta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],&#8221;Theta (Degree)&#8221;,&#8221;|E|^2&#8243;,&#8221;&#8221;,&#8221;linewidth=2&#8243;);\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe&rdquo; \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-393060","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002&quot;Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002&quot;\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],&quot;Theta (Degree)&quot;,&quot;|E|^2&quot;,&quot;&quot;,&quot;linewidth=2&quot;);\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/\" \/>\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=\"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002&quot;Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002&quot;\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],&quot;Theta (Degree)&quot;,&quot;|E|^2&quot;,&quot;&quot;,&quot;linewidth=2&quot;);\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-06T19:45:25+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-06T19:45:25+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002&quot;Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002&quot;\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],&quot;Theta (Degree)&quot;,&quot;|E|^2&quot;,&quot;&quot;,&quot;linewidth=2&quot;);\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002\" \/>\n\t\t<script type=\"application\/ld+json\" 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Propagation\\u7684\\u95ee\\u9898\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@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\\\/reply\\\/393060\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393060\\\/\",\"name\":\"Reply To: \\u5173\\u4e8eSmall-Scale Metalens \\u2013 Field Propagation\\u7684\\u95ee\\u9898 | Ansys Learning Forum\",\"description\":\"\\u201c\\u8fd9\\u4e2a\\u8ba1\\u7b97\\u7ed3\\u679c\\u548c\\u534a\\u5f841m\\u7684\\u8fdc\\u573a\\u7ed3\\u679c\\u662f\\u4e00\\u6837\\u7684\\u201d \\u5e94\\u8be5\\u4e0d\\u5b8c\\u5168\\u4e00\\u6837\\uff1a\\u8fd9\\u8868\\u793a\\u5f0f\\u8868\\u793a\\u5e73\\u9762\\u6ce2\\u7684\\u4f20\\u64ad\\uff0c\\u56e0\\u4e3aunit cell \\u7684\\u8fdc\\u573a\\u5df2\\u7ecf\\u662f\\u5e73\\u9762\\u6ce2\\uff0c\\u800c\\u4e0d\\u662f\\u666e\\u901a\\u76d1\\u89c6\\u5668\\u5f97\\u5230\\u7684\\u8fd1\\u573a\\u3002\\u8fd1\\u573a\\u5230\\u8fdc\\u573a\\u7684\\u900f\\u5c04\\u4e0d\\u662f\\u8fd9\\u4e2a\\u8868\\u8fbe\\u5f0f\\u3002\\u4f60\\u53ef\\u4ee5\\u53c2\\u8003FDTD\\u7684\\u4e66\\uff0c\\u4e00\\u822c\\u90fd\\u6709\\u8868\\u8ff0\\u3002https:\\\/\\\/eecs.wsu.edu\\\/~schneidj\\\/ufdtd\\\/chap14.pdf \\u8fd9\\u672c\\u4e66\\u56fd\\u5185\\u6709\\u7ffb\\u8bd1\\u3002\\\"Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\\u6c42\\u51fa\\u6765\\u7684\\uff0c\\u5305\\u542b\\u4e86\\u6240\\u6c42\\u7403\\u9762\\u7684\\u534a\\u5f84\\u4fe1\\u606f\\u5417\\uff1f\\u5982\\u679c\\u6709\\uff0c\\u662f\\u5728\\u4ee3\\u7801\\u54ea\\u91cc\\u5b9e\\u73b0\\u7684\\u3002\\\"\\u6ca1\\u6709\\u3002\\u4e0d\\u9700\\u8981\\u3002\\u89c1\\u4e0a\\u9762\\u56de\\u590d\\uff0c\\u5176\\u5b9e\\u5e38\\u6570\\u4f4d\\u76f8\\u88ab\\u5ffd\\u7565\\u4e86\\u3002\\u201c\\u65b9\\u5411\\u4f59\\u5f26ux = farfieldux(tempEH,1,nx,ny)\\u8fd9\\u662f\\u600e\\u4e48\\u6c42\\u51fa\\u6765\\u7684\\u201d \\u5c31\\u662f\\u4ece-1\\u5230+1\\u79bb\\u6563\\u5316\\u3002\\u201ctheta = acos(ux)*180\\\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\\\/2)),pinch(E2far_lens,2,floor(ny\\\/2))],\\\"Theta (Degree)\\\",\\\"|E|^2\\\",\\\"\\\",\\\"linewidth=2\\\");\\u5c31\\u662f\\u6cbf\\u7740phi=0\\u753b\\u5149\\u573a\\u5f3a\\u5ea6\\u56fe\\u201d \\u6b64theta\\u4e0d\\u662f\\u5f7ctheta\\uff0c\\u4f60\\u53ef\\u4ee5\\u628a\\u5b83\\u53eb\\u505aalfa, beta,omega, \\u968f\\u610f\\u3002\\u4f60\\u8fd9\\u4e2a\\u4e0d\\u662f\\u6b64\\u4f8b\\u5b50\\u4e2d\\u7684\\u811a\\u672c\\u5427\\uff1f\\u65b0\\u7248\\u6ca1\\u6709\\u8fd9\\u4e2a\\u3002\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393060\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-06T19:45:25+00:00\",\"dateModified\":\"2024-11-06T19:45:25+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","description":"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002\"Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002\"\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],\"Theta (Degree)\",\"|E|^2\",\"\",\"linewidth=2\");\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/#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\/forums\/reply\/393060\/#listItem","name":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/#listItem","position":2,"name":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@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\/reply\/393060\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/","name":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","description":"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002\"Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002\"\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],\"Theta (Degree)\",\"|E|^2\",\"\",\"linewidth=2\");\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/#breadcrumblist"},"datePublished":"2024-11-06T19:45:25+00:00","dateModified":"2024-11-06T19:45:25+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","og:description":"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002&quot;Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002&quot;\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],&quot;Theta (Degree)&quot;,&quot;|E|^2&quot;,&quot;&quot;,&quot;linewidth=2&quot;);\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, \u968f\u610f\u3002\u4f60\u8fd9\u4e2a\u4e0d\u662f\u6b64\u4f8b\u5b50\u4e2d\u7684\u811a\u672c\u5427\uff1f\u65b0\u7248\u6ca1\u6709\u8fd9\u4e2a\u3002","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393060\/","article:published_time":"2024-11-06T19:45:25+00:00","article:modified_time":"2024-11-06T19:45:25+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","twitter:description":"\u201c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\u201d \u5e94\u8be5\u4e0d\u5b8c\u5168\u4e00\u6837\uff1a\u8fd9\u8868\u793a\u5f0f\u8868\u793a\u5e73\u9762\u6ce2\u7684\u4f20\u64ad\uff0c\u56e0\u4e3aunit cell \u7684\u8fdc\u573a\u5df2\u7ecf\u662f\u5e73\u9762\u6ce2\uff0c\u800c\u4e0d\u662f\u666e\u901a\u76d1\u89c6\u5668\u5f97\u5230\u7684\u8fd1\u573a\u3002\u8fd1\u573a\u5230\u8fdc\u573a\u7684\u900f\u5c04\u4e0d\u662f\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f60\u53ef\u4ee5\u53c2\u8003FDTD\u7684\u4e66\uff0c\u4e00\u822c\u90fd\u6709\u8868\u8ff0\u3002https:\/\/eecs.wsu.edu\/~schneidj\/ufdtd\/chap14.pdf \u8fd9\u672c\u4e66\u56fd\u5185\u6709\u7ffb\u8bd1\u3002&quot;Efar_lens = Efar_lens + exp(1i*Kx*x_mask(i) + 1i*Ky*y_mask(j))*pinch(Efar,3,ind)\u6c42\u51fa\u6765\u7684\uff0c\u5305\u542b\u4e86\u6240\u6c42\u7403\u9762\u7684\u534a\u5f84\u4fe1\u606f\u5417\uff1f\u5982\u679c\u6709\uff0c\u662f\u5728\u4ee3\u7801\u54ea\u91cc\u5b9e\u73b0\u7684\u3002&quot;\u6ca1\u6709\u3002\u4e0d\u9700\u8981\u3002\u89c1\u4e0a\u9762\u56de\u590d\uff0c\u5176\u5b9e\u5e38\u6570\u4f4d\u76f8\u88ab\u5ffd\u7565\u4e86\u3002\u201c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\u201d \u5c31\u662f\u4ece-1\u5230+1\u79bb\u6563\u5316\u3002\u201ctheta = acos(ux)*180\/pi-90;plot(theta,[pinch(E2far_fdtd,2,floor(ny\/2)),pinch(E2far_lens,2,floor(ny\/2))],&quot;Theta (Degree)&quot;,&quot;|E|^2&quot;,&quot;&quot;,&quot;linewidth=2&quot;);\u5c31\u662f\u6cbf\u7740phi=0\u753b\u5149\u573a\u5f3a\u5ea6\u56fe\u201d \u6b64theta\u4e0d\u662f\u5f7ctheta\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u53eb\u505aalfa, beta,omega, 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07:41:40","updated":"2026-08-12 08:54:56","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: \u5173\u4e8eSmall-Scale Metalens \u2013 Field 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