{"id":8046,"date":"2022-06-06T05:11:42","date_gmt":"2022-06-06T05:11:42","guid":{"rendered":"https:\/\/www.szlaser.com\/?page_id=8046"},"modified":"2023-04-12T03:56:49","modified_gmt":"2023-04-12T03:56:49","slug":"echelle-gratings","status":"publish","type":"page","link":"https:\/\/www.szlaser.com\/index.php\/diffraction-grating\/echelle-gratings\/","title":{"rendered":"Echelle Gratings"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1331.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"500\" height=\"500\" alt=\"Wide-band Infrared Gratings\" title=\"grating 500 500\" src=\"https:\/\/www.szlaser.com\/wp-content\/uploads\/2022\/07\/grating-500-500.png\" data-orig-src=\"https:\/\/www.szlaser.com\/wp-content\/uploads\/2022\/07\/grating-500-500.png\" class=\"lazyload img-responsive wp-image-9113\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27500%27%20height%3D%27500%27%20viewBox%3D%270%200%20500%20500%27%3E%3Crect%20width%3D%27500%27%20height%3D%27500%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.szlaser.com\/wp-content\/uploads\/2022\/07\/grating-500-500-200x200.png 200w, https:\/\/www.szlaser.com\/wp-content\/uploads\/2022\/07\/grating-500-500-400x400.png 400w, https:\/\/www.szlaser.com\/wp-content\/uploads\/2022\/07\/grating-500-500.png 500w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 400px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><h1 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 28; line-height: 1.3;\" data-fontsize=\"28\" data-lineheight=\"36.4px\">Echelle Gratings<\/h1>\n<ul>\n<li>Low groove density<\/li>\n<li>High diffraction orders<\/li>\n<li>Increased dispersion (spacing)<\/li>\n<\/ul>\n<div id=\"quform-fb7aef\" class=\"quform quform-1 quform-theme-hollow quform-support-page-caching quform-is-first-page\"><form id=\"quform-form-fb7aef\" class=\"quform-form quform-form-1\" action=\"\/index.php\/wp-json\/wp\/v2\/pages\/8046#quform-fb7aef\" method=\"post\" enctype=\"multipart\/form-data\" novalidate=\"novalidate\" data-options=\"{&quot;id&quot;:1,&quot;uniqueId&quot;:&quot;fb7aef&quot;,&quot;theme&quot;:&quot;hollow&quot;,&quot;ajax&quot;:true,&quot;logic&quot;:{&quot;logic&quot;:[],&quot;dependents&quot;:[],&quot;elementIds&quot;:[],&quot;dependentElementIds&quot;:[],&quot;animate&quot;:true},&quot;currentPageId&quot;:1,&quot;errorsIcon&quot;:&quot;&quot;,&quot;updateFancybox&quot;:true,&quot;hasPages&quot;:true,&quot;pages&quot;:[1,6],&quot;pageProgressType&quot;:&quot;&quot;,&quot;tooltipsEnabled&quot;:true,&quot;tooltipClasses&quot;:&quot;qtip-quform-dark qtip-shadow&quot;,&quot;tooltipMy&quot;:&quot;left center&quot;,&quot;tooltipAt&quot;:&quot;right center&quot;,&quot;isRtl&quot;:false,&quot;scrollOffset&quot;:-50,&quot;scrollSpeed&quot;:800}\"><button class=\"quform-default-submit\" name=\"quform_submit\" type=\"submit\" value=\"submit\" aria-hidden=\"true\" tabindex=\"-1\"><\/button><div class=\"quform-form-inner quform-form-inner-1\"><input type=\"hidden\" name=\"quform_form_id\" value=\"1\" \/><input type=\"hidden\" name=\"quform_form_uid\" value=\"fb7aef\" \/><input type=\"hidden\" name=\"quform_count\" value=\"1\" \/><input type=\"hidden\" name=\"form_url\" value=\"https:\/\/www.szlaser.com\/index.php\/wp-json\/wp\/v2\/pages\/8046\" \/><input type=\"hidden\" name=\"referring_url\" value=\"\" \/><input type=\"hidden\" name=\"post_id\" value=\"\" \/><input type=\"hidden\" name=\"post_title\" value=\"\" \/><input type=\"hidden\" name=\"quform_current_page_id\" value=\"1\" \/><input type=\"hidden\" name=\"quform_csrf_token\" value=\"d8D4pWjYJ2FPJuIyGXkaHMcyEwvL2ONOxIpLBzMv\" \/><div class=\"quform-elements quform-elements-1 quform-cf quform-responsive-elements-phone-landscape\"><div class=\"quform-element quform-element-page quform-page-1 quform-page-1_1 quform-cf quform-group-style-plain quform-first-page quform-current-page\"><div class=\"quform-child-elements\"><div class=\"quform-element quform-element-submit quform-element-1_4 quform-cf quform-button-style-hollow quform-button-width-full\"><div class=\"quform-button-next quform-button-next-default quform-button-next-1_4 quform-button-icon-right\"><button name=\"quform_submit\" type=\"submit\" class=\"quform-next\" value=\"submit\"><span class=\"quform-button-text quform-button-next-text\">Contact Form<\/span><span class=\"quform-button-icon quform-button-next-icon\"><i class=\"fa fa-pencil-square-o\"><\/i><\/span><\/button><\/div><div class=\"quform-loading quform-loading-position-left quform-loading-type-spinner-1\"><div class=\"quform-loading-inner\"><div class=\"quform-loading-spinner\"><div class=\"quform-loading-spinner-inner\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"quform-element quform-element-page quform-page-6 quform-page-1_6 quform-cf quform-group-style-plain quform-last-page\"><div class=\"quform-child-elements\"><div class=\"quform-element quform-element-text quform-element-1_8 quform-cf quform-element-required\"><div class=\"quform-spacer\"><div class=\"quform-label quform-label-1_8\"><label class=\"quform-label-text\" for=\"quform_1_8_fb7aef\">Name<span class=\"quform-required\">*<\/span><\/label><\/div><div class=\"quform-inner quform-inner-text quform-inner-1_8\"><div class=\"quform-input quform-input-text quform-input-1_8 quform-cf\"><input type=\"text\" id=\"quform_1_8_fb7aef\" name=\"quform_1_8\" class=\"quform-field quform-field-text quform-field-1_8\" \/><\/div><\/div><\/div><\/div><div class=\"quform-element quform-element-text quform-element-1_9 quform-cf quform-element-required\"><div class=\"quform-spacer\"><div class=\"quform-label quform-label-1_9\"><label class=\"quform-label-text\" for=\"quform_1_9_fb7aef\">Email<span class=\"quform-required\">*<\/span><\/label><\/div><div class=\"quform-inner quform-inner-text quform-inner-1_9\"><div class=\"quform-input quform-input-text quform-input-1_9 quform-cf\"><input type=\"text\" id=\"quform_1_9_fb7aef\" name=\"quform_1_9\" class=\"quform-field quform-field-text quform-field-1_9\" \/><\/div><\/div><\/div><\/div><div class=\"quform-element quform-element-text quform-element-1_10 quform-cf quform-element-optional\"><div class=\"quform-spacer\"><div class=\"quform-label quform-label-1_10\"><label class=\"quform-label-text\" for=\"quform_1_10_fb7aef\">Country<\/label><\/div><div class=\"quform-inner quform-inner-text quform-inner-1_10\"><div class=\"quform-input quform-input-text quform-input-1_10 quform-cf\"><input type=\"text\" id=\"quform_1_10_fb7aef\" name=\"quform_1_10\" class=\"quform-field quform-field-text quform-field-1_10\" \/><\/div><\/div><\/div><\/div><div class=\"quform-element quform-element-text quform-element-1_12 quform-cf quform-element-optional\"><div class=\"quform-spacer\"><div class=\"quform-label quform-label-1_12\"><label class=\"quform-label-text\" for=\"quform_1_12_fb7aef\">Company \/ Organization<\/label><\/div><div class=\"quform-inner quform-inner-text quform-inner-1_12\"><div class=\"quform-input quform-input-text quform-input-1_12 quform-cf\"><input type=\"text\" id=\"quform_1_12_fb7aef\" name=\"quform_1_12\" class=\"quform-field quform-field-text quform-field-1_12\" \/><\/div><\/div><\/div><\/div><div class=\"quform-element quform-element-textarea quform-element-1_13 quform-cf quform-element-required\"><div class=\"quform-spacer\"><div class=\"quform-label quform-label-1_13\"><label class=\"quform-label-text\" for=\"quform_1_13_fb7aef\">Detailed Messages<span class=\"quform-required\">*<\/span><\/label><\/div><div class=\"quform-inner quform-inner-textarea quform-inner-1_13\"><div class=\"quform-input quform-input-textarea quform-input-1_13 quform-cf\"><textarea id=\"quform_1_13_fb7aef\" name=\"quform_1_13\" class=\"quform-field quform-field-textarea quform-field-1_13\"><\/textarea><\/div><\/div><\/div><\/div><div class=\"quform-element quform-element-submit quform-element-1_7 quform-cf quform-button-style-hollow\"><div class=\"quform-button-back quform-button-back-default quform-button-back-1_7\"><button name=\"quform_submit\" type=\"submit\" class=\"quform-back\" value=\"back\"><span class=\"quform-button-text quform-button-back-text\">Back<\/span><\/button><\/div><div class=\"quform-button-submit quform-button-submit-default quform-button-submit-1_7\"><button name=\"quform_submit\" type=\"submit\" class=\"quform-submit\" value=\"submit\"><span class=\"quform-button-text quform-button-submit-text\">Send<\/span><\/button><\/div><div class=\"quform-loading quform-loading-position-left quform-loading-type-spinner-1\"><div class=\"quform-loading-inner\"><div class=\"quform-loading-spinner\"><div class=\"quform-loading-spinner-inner\"><\/div><\/div><\/div><\/div><\/div><div class=\"quform-element-tree\"><label for=\"quform_1_0_fb7aef\">This field should be left blank<\/label><input type=\"text\" id=\"quform_1_0_fb7aef\" name=\"quform_1_0\" class=\"quform-field quform-field-tree quform-field-1_0\" tabindex=\"-1\" autocomplete=\"off\" \/><\/div><\/div><\/div><\/div><\/div><\/form><\/div>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-margin-top:20px;--awb-margin-bottom:20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1331.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;width:100%;max-width:100%;\"><div class=\"fusion-separator-border sep-single sep-dashed\" style=\"--awb-height:20px;--awb-amount:20px;border-color:#e2e2e2;border-top-width:1px;\"><\/div><\/div><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:1px;--awb-icon-size:16px;--awb-content-font-size:16px;--awb-icon-alignment:left;--awb-hover-color:#f9f9fb;--awb-border-color:#e2e2e2;--awb-background-color:#ffffff;--awb-divider-color:#e2e2e2;--awb-divider-hover-color:#e2e2e2;--awb-icon-color:#ffffff;--awb-title-color:#212934;--awb-content-color:#4a4e57;--awb-icon-box-color:#212934;--awb-toggle-hover-accent-color:#bdbdbd;--awb-title-font-family:&quot;Lora&quot;;--awb-title-font-weight:400;--awb-title-font-style:normal;--awb-title-font-size:20px;--awb-content-font-family:&quot;Open Sans&quot;;--awb-content-font-style:normal;--awb-content-font-weight:400;\"><div class=\"panel-group fusion-toggle-icon-boxed\" id=\"accordion-8046-1\"><div class=\"fusion-panel panel-default panel-8a55af2e5e2d291e3 fusion-toggle-has-divider\" style=\"--awb-title-color:#212934;--awb-content-color:#4a4e57;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_8a55af2e5e2d291e3\"><a class=\"active\" aria-expanded=\"true\" aria-controls=\"8a55af2e5e2d291e3\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8046-1\" data-target=\"#8a55af2e5e2d291e3\" href=\"#8a55af2e5e2d291e3\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Common Data<\/span><\/a><\/h4><\/div><div id=\"8a55af2e5e2d291e3\" class=\"panel-collapse collapse in\" aria-labelledby=\"toggle_8a55af2e5e2d291e3\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<h3>Elleche Gratings Common Data<\/h3>\n\n<div class=\"wpdt-c wdt-skin-light\">\n    \n<input type=\"hidden\" id=\"wdtNonceFrontendEdit_374\" name=\"wdtNonceFrontendEdit_374\" value=\"00304c157c\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/index.php\/wp-json\/wp\/v2\/pages\/8046\" \/>    <input type=\"hidden\" id=\"table_1_desc\" value='{\"tableId\":\"table_1\",\"tableType\":\"manual\",\"selector\":\"#table_1\",\"responsive\":false,\"responsiveAction\":\"icon\",\"editable\":false,\"inlineEditing\":false,\"infoBlock\":false,\"pagination\":0,\"paginationAlign\":\"right\",\"paginationLayout\":\"full_numbers\",\"file_location\":\"\",\"tableSkin\":\"light\",\"globalSearch\":false,\"showRowsPerPage\":false,\"popoverTools\":false,\"hideBeforeLoad\":false,\"number_format\":2,\"decimalPlaces\":2,\"spinnerSrc\":\"https:\\\/\\\/www.szlaser.com\\\/wp-content\\\/plugins\\\/wpdatatables\\\/assets\\\/\\\/img\\\/spinner.gif\",\"groupingEnabled\":false,\"tableWpId\":\"374\",\"dataTableParams\":{\"sDom\":\"BT\\u003C\\u0027clear\\u0027\\u003Et\",\"bSortCellsTop\":false,\"bFilter\":true,\"aLengthMenu\":[[1,5,10,25,50,100,-1],[1,5,10,25,50,100,\"All\"]],\"iDisplayLength\":10,\"columnDefs\":[{\"sType\":\"formatted-num\",\"wdtType\":\"int\",\"bVisible\":false,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"wdt_ID\",\"origHeader\":\"wdt_ID\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\"numdata integer  column-wdt_id\",\"aTargets\":[0]},{\"sType\":\"string\",\"wdtType\":\"string\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"items\",\"origHeader\":\"items\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\" column-items\",\"aTargets\":[1]},{\"sType\":\"string\",\"wdtType\":\"string\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"data\",\"origHeader\":\"data\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\" column-data\",\"aTargets\":[2]}],\"bAutoWidth\":false,\"order\":[[0,\"asc\"]],\"ordering\":false,\"oLanguage\":{\"sSearchPlaceholder\":\"\"},\"buttons\":[],\"bProcessing\":false,\"serverSide\":true,\"ajax\":{\"url\":\"https:\\\/\\\/www.szlaser.com\\\/wp-admin\\\/admin-ajax.php?action=get_wdtable&table_id=374\",\"type\":\"POST\"},\"oSearch\":{\"bSmart\":false,\"bRegex\":false,\"sSearch\":\"\"}},\"tabletWidth\":\"1024\",\"mobileWidth\":\"480\",\"advancedFilterEnabled\":false,\"serverSide\":true,\"autoRefreshInterval\":0,\"processing\":true,\"fnServerData\":true,\"columnsFixed\":0,\"sumFunctionsLabel\":\"\",\"avgFunctionsLabel\":\"\",\"minFunctionsLabel\":\"\",\"maxFunctionsLabel\":\"szlasers@gmail.com\",\"columnsDecimalPlaces\":{\"wdt_ID\":-1,\"items\":-1,\"data\":-1},\"columnsThousandsSeparator\":{\"wdt_ID\":0},\"sumColumns\":[],\"avgColumns\":[],\"sumAvgColumns\":[],\"timeFormat\":\"h:i A\",\"datepickFormat\":\"dd\\\/mm\\\/yy\"}'\/>\n\n    <table id=\"table_1\"\n           class=\"  display nowrap data-t data-t wpDataTable wpDataTableID-374\"\n           style=\"\"\n           data-described-by='table_1_desc'\n           data-wpdatatable_id=\"374\">\n        \n        <!-- Table header -->\n        \n<thead>\n<tr>\n                    <th\n                        class=\" wdtheader sort numdata integer \"\n        style=\"\">wdt_ID<\/th>        <th\n        data-class=\"expand\"                class=\" wdtheader sort \"\n        style=\"\">Items<\/th>        <th\n                        class=\" wdtheader sort \"\n        style=\"\">Data<\/th>    <\/tr>\n<\/thead>\n        <!-- \/Table header -->\n\n        <!-- Table body -->\n        \n<tbody>\n            <tr id=\"table_374_row_0\">\n                            <td style=\"\">1<\/td>\n                            <td style=\"\">Coating:<\/td>\n                            <td style=\"\">Aluminium <\/td>\n                    <\/tr>\n                <tr id=\"table_374_row_1\">\n                            <td style=\"\">2<\/td>\n                            <td style=\"\">Construction: <\/td>\n                            <td style=\"\">\nRuled Grating <\/td>\n                    <\/tr>\n                <tr id=\"table_374_row_2\">\n                            <td style=\"\">3<\/td>\n                            <td style=\"\">Substrate: <\/td>\n                            <td style=\"\">\nFloat Glass <\/td>\n                    <\/tr>\n                <tr id=\"table_374_row_3\">\n                            <td style=\"\">4<\/td>\n                            <td style=\"\">\nThickness (mm): <\/td>\n                            <td style=\"\">\n6.00 \u00b10.5 <\/td>\n                    <\/tr>\n                <tr id=\"table_374_row_4\">\n                            <td style=\"\">5<\/td>\n                            <td style=\"\">Groove Spacing Tolerance (%): <\/td>\n                            <td style=\"\">< 0.05<\/td>\n                    <\/tr>\n                <tr id=\"table_374_row_5\">\n                            <td style=\"\">6<\/td>\n                            <td style=\"\">Spectral Order (m): <\/td>\n                            <td style=\"\">1<\/td>\n                    <\/tr>\n    <\/tbody>        <!-- \/Table body -->\n\n        <!-- Table footer -->\n        \n        <!-- \/Table footer -->\n\n    <\/table>\n\n<\/div><style>\ntable.wpDataTable { table-layout: fixed !important; }\ntable.wpDataTable td, table.wpDataTable th { white-space: normal !important; }\ntable.wpDataTable td.numdata { text-align: right !important; }\n<\/style>\n<style>\n\n\/* table font color *\/\n.wpdt-c.wpDataTablesWrapper table.wpdtSimpleTable,\n.wpdt-c .wpDataTablesWrapper table.wpDataTable {\n    font-family: Lucida Console, Monaco, monospace !important;\n}\n\/* table font size *\/\n.wpdt-c.wpDataTablesWrapper table.wpdtSimpleTable,\n.wpdt-c .wpDataTablesWrapper table.wpDataTable {\n    font-size:12px !important;\n}\n \n<\/style>\n<style>\n<\/style>\n<style>\n                            \n                                \/* table font color *\/\n    .wpdt-c.wpDataTablesWrapper table#wpdtSimpleTable-374,\n    .wpdt-c .wpDataTablesWrapper table.wpDataTable.wpDataTableID-374 {\n        font-family: Lucida Sans Unicode, Lucida Grande, sans-serif !important;\n    }\n                \n                <\/style>\n\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-d4031ede7eed73df6 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_d4031ede7eed73df6\"><a class=\"active\" aria-expanded=\"true\" aria-controls=\"d4031ede7eed73df6\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8046-1\" data-target=\"#d4031ede7eed73df6\" href=\"#d4031ede7eed73df6\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Standard Items<\/span><\/a><\/h4><\/div><div id=\"d4031ede7eed73df6\" class=\"panel-collapse collapse in\" aria-labelledby=\"toggle_d4031ede7eed73df6\"><div class=\"panel-body toggle-content fusion-clearfix\">\n\n<div class=\"wpdt-c wdt-skin-light\">\n    \n<input type=\"hidden\" id=\"wdtNonceFrontendEdit_369\" name=\"wdtNonceFrontendEdit_369\" value=\"6cec88b8ef\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/index.php\/wp-json\/wp\/v2\/pages\/8046\" \/>    <input type=\"hidden\" id=\"table_2_desc\" 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                         \n                <\/style>\n\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-04b258c7edca8628d fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_04b258c7edca8628d\"><a aria-expanded=\"false\" aria-controls=\"04b258c7edca8628d\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8046-1\" data-target=\"#04b258c7edca8628d\" href=\"#04b258c7edca8628d\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Technical Inofrmation<\/span><\/a><\/h4><\/div><div id=\"04b258c7edca8628d\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_04b258c7edca8628d\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\">Typically used in high orders, echelle gratings can provide high dispersion and resolution. Echelle gratings are most often used in applications where high dispersion and resolution are important, such as atomic absorption spectroscopy, laser tuning, and astronomy. SEM for echelle grating is shown in figure.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-text fusion-text-2\"><div id=\"quform-132e76\" class=\"quform quform-1 quform-theme-hollow quform-support-page-caching quform-is-first-page\"><form id=\"quform-form-132e76\" class=\"quform-form quform-form-1\" action=\"\/index.php\/wp-json\/wp\/v2\/pages\/8046#quform-132e76\" method=\"post\" enctype=\"multipart\/form-data\" novalidate=\"novalidate\" 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