


{"id":392976,"date":"2024-11-06T13:16:54","date_gmt":"2024-11-06T13:16:54","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/"},"modified":"2024-11-06T13:16:54","modified_gmt":"2024-11-06T13:16:54","slug":"guanyusmall-scale-metalens-field-propagationdewenti","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/","title":{"rendered":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898"},"content":{"rendered":"<p>&lt;p&gt;\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0b<a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360042097313-Small-Scale-Metalens-Field-Propagation\">Small-Scale Metalens &ndash; Field Propagation &ndash; Ansys Optics<\/a>\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801&lt;span class=&#8221;notes&#8221;&gt;sum_farfield_R11um.lsf\u4e2d&lt;\/span&gt;\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/optics.ansys.com\/hc\/article_attachments\/6334068918675\" alt=\"summed_farfield_formula.png\" width=\"211\" height=\"52\" \/>\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801&lt;\/p&gt;&lt;p&gt;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&lt;br&gt;\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f&lt;br&gt;\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167<a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360034394294-Understanding-direction-unit-vector-coordinates-in-far-field-projections#:~:text=The%20far%20field%20projections%20return%20the%20electric%20field,and%20y%20components%20of%20the%20unit%20direction%20vector.\">Understanding direction unit vector coordinates in far field projections &ndash; Ansys Optics<\/a>\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/06-11-2024-1730898741-mceclip0.png\" width=\"295\" height=\"104\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-392976","topic","type-topic","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=\"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/\" \/>\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=\"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-06T13:16:54+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-06T13:16:54+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f\" \/>\n\t\t<script type=\"application\/ld+json\" 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Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyusmall-scale-metalens-field-propagationdewenti\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyusmall-scale-metalens-field-propagationdewenti\\\/\",\"name\":\"\\u5173\\u4e8eSmall-Scale Metalens \\u2013 Field Propagation\\u7684\\u95ee\\u9898 | Ansys Learning Forum\",\"description\":\"\\u8001\\u5e08\\u597d\\uff0c\\u6211\\u60f3\\u95ee\\u4e00\\u4e0bSmall-Scale Metalens \\u2013 Field Propagation \\u2013 Ansys Optics\\u91ccSumming the farfields of unit cells\\u8fd9\\u90e8\\u5206\\u7684\\u4ee3\\u7801sum_farfield_R11um.lsf\\u4e2d\\uff0c\\u7528\\u4e86\\u6570\\u5b66\\u5f62\\u5f0f\\u53bb\\u6c42\\u8fdc\\u573a\\uff0c\\u8fd9\\u4e2a\\u8ba1\\u7b97\\u7ed3\\u679c\\u548c\\u534a\\u5f841m\\u7684\\u8fdc\\u573a\\u7ed3\\u679c\\u662f\\u4e00\\u6837\\u7684\\uff0c\\u53ef\\u662f\\u8fd9\\u4e2a\\u6570\\u5b66\\u8868\\u8fbe\\u5f0f\\u662f\\u76f4\\u63a5\\u7528\\u4ee3\\u7801Efar_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\\u8fd8\\u6709\\u4e2a\\u95ee\\u9898\\u5c31\\u662f\\uff0c\\u65b9\\u5411\\u4f59\\u5f26ux = farfieldux(tempEH,1,nx,ny)\\u8fd9\\u662f\\u600e\\u4e48\\u6c42\\u51fa\\u6765\\u7684\\uff0c\\u80cc\\u540e\\u7684\\u6570\\u5b66\\u539f\\u7406\\u4e0d\\u662f\\u5f88\\u6e05\\u695a\\uff0c\\u53ef\\u4ee5\\u8be6\\u7ec6\\u89e3\\u91ca\\u4e00\\u4e0b\\u5417\\uff1f\\u6700\\u540e\\u4e00\\u4e2a\\u95ee\\u9898\\u662ftheta = 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\\uff0c\\u53ef\\u662f\\u8fd9\\u91cc\\u7684theta\\u4e0d\\u5e94\\u8be5\\u662f\\u6309\\u7167Understanding direction unit vector coordinates in far field projections \\u2013 Ansys Optics\\u91cc\\u89c4\\u5b9a\\u7684\\u662f\\u7528theta = asin(ux)*180\\\/pi\\u6c42\\u7684\\u5417\\uff1f\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyusmall-scale-metalens-field-propagationdewenti\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-06T13:16:54+00:00\",\"dateModified\":\"2024-11-06T13:16:54+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":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","description":"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/#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\/guanyusmall-scale-metalens-field-propagationdewenti\/#listItem","name":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/#listItem","position":3,"name":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}}]},{"@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\/guanyusmall-scale-metalens-field-propagationdewenti\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/","name":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","description":"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/#breadcrumblist"},"datePublished":"2024-11-06T13:16:54+00:00","dateModified":"2024-11-06T13:16:54+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":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","og:description":"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyusmall-scale-metalens-field-propagationdewenti\/","article:published_time":"2024-11-06T13:16:54+00:00","article:modified_time":"2024-11-06T13:16:54+00:00","twitter:card":"summary_large_image","twitter:title":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field Propagation\u7684\u95ee\u9898 | Ansys Learning Forum","twitter:description":"\u8001\u5e08\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0bSmall-Scale Metalens \u2013 Field Propagation \u2013 Ansys Optics\u91ccSumming the farfields of unit cells\u8fd9\u90e8\u5206\u7684\u4ee3\u7801sum_farfield_R11um.lsf\u4e2d\uff0c\u7528\u4e86\u6570\u5b66\u5f62\u5f0f\u53bb\u6c42\u8fdc\u573a\uff0c\u8fd9\u4e2a\u8ba1\u7b97\u7ed3\u679c\u548c\u534a\u5f841m\u7684\u8fdc\u573a\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ef\u662f\u8fd9\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\u76f4\u63a5\u7528\u4ee3\u7801Efar_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\u8fd8\u6709\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u65b9\u5411\u4f59\u5f26ux = farfieldux(tempEH,1,nx,ny)\u8fd9\u662f\u600e\u4e48\u6c42\u51fa\u6765\u7684\uff0c\u80cc\u540e\u7684\u6570\u5b66\u539f\u7406\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u4e00\u4e0b\u5417\uff1f\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u662ftheta = 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\uff0c\u53ef\u662f\u8fd9\u91cc\u7684theta\u4e0d\u5e94\u8be5\u662f\u6309\u7167Understanding direction unit vector coordinates in far field projections \u2013 Ansys Optics\u91cc\u89c4\u5b9a\u7684\u662f\u7528theta = asin(ux)*180\/pi\u6c42\u7684\u5417\uff1f"},"aioseo_meta_data":{"post_id":"392976","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-19 08:51:22","updated":"2025-10-19 08:51:22","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\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t\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":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"\u5173\u4e8eSmall-Scale Metalens \u2013 Field 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