{"id":5145,"date":"2023-10-21T12:24:03","date_gmt":"2023-10-21T12:24:03","guid":{"rendered":"https:\/\/etaoptics.com\/?post_type=product&#038;p=5145"},"modified":"2023-10-21T12:25:22","modified_gmt":"2023-10-21T12:25:22","slug":"dl020-nir-ar-coated-h-k9l-optical-glass-drum-lenses-650-1050nm-d3-00mm","status":"publish","type":"product","link":"https:\/\/www.etaoptics.com\/de\/product\/dl020-nir-ar-coated-h-k9l-optical-glass-drum-lenses-650-1050nm-d3-00mm\/","title":{"rendered":"DL020, NIR AR Coated H-K9L optical glass, Drum Lenses, 650-1050nm, D=3.00mm"},"content":{"rendered":"<div id=\"footable_parent_5146\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_0\" data-footable_id=\"5146\" data-filter-delay=\"1000\" aria-label=\"Parameters of DL020\"            id=\"footable_5146\"\n           data-unique_identifier=\"ninja_table_unique_id_95474938_5146\"\n           class=\" foo-table ninja_footable foo_table_5146 ninja_table_unique_id_95474938_5146 ui table  nt_type_legacy_table selectable celled striped vertical_centered  footable-paging-right ninja_table_search_disabled ninja_table_pro\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                            <col class=\"ninja_column_2 \">\n                            <col class=\"ninja_column_3 \">\n                            <col class=\"ninja_column_4 \">\n                            <col class=\"ninja_column_5 \">\n                            <col class=\"ninja_column_6 \">\n                    <\/colgroup>\n        <thead>\n<tr class=\"footable-header\">\n                                                                                                                        <th scope=\"col\"  class=\"ninja_column_0 ninja_clmn_nm_code \">Code<\/th><th scope=\"col\"  class=\"ninja_column_1 ninja_clmn_nm_material \">Material<\/th><th scope=\"col\"  class=\"ninja_column_2 ninja_clmn_nm_ar_coating \">AR Coating<\/th><th scope=\"col\"  class=\"ninja_column_3 ninja_clmn_nm_diameter \">Diameter-mm<\/th><th scope=\"col\"  class=\"ninja_column_4 ninja_clmn_nm_center_thickness_l_mm \">Center Thickness (L)-mm<\/th><th scope=\"col\"  class=\"ninja_column_5 ninja_clmn_nm_focal_length_efl \">Focal Length (EFL-mm)<\/th><th scope=\"col\"  class=\"ninja_column_6 ninja_clmn_nm_back_focal_length_bfl_mm \">Back Focal Length (BFL-mm)<\/th><\/tr>\n<\/thead>\n<tbody>\n\n        <tr data-row_id=\"2712\" class=\"ninja_table_row_0 nt_row_id_2712\">\n            <td>DL020<\/td><td>H-K9L (BK7)<\/td><td>650-1050 nm<\/td><td>3.0<\/td><td>4.0<\/td><td>2.93<\/td><td>0.93<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n\n\n\t<section class=\"section\" id=\"section_891938684\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-middle\"  id=\"row-726745683\">\n\n\n\t<div id=\"col-333141445\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>NIR AR Coated Drum Lenses<\/h3>\n<p>These Drum Lenses are manufactured using H-K9L compliant RoHS, and coated NIR AR Coating, 650-1050nm.<\/p>\n<p>These drum lenses are spherical at both ends, provides a positioning surface along the optical axis.<\/p>\n<p>Drum Lenses are formed by grinding an outer circle on the basis of the spherical lens, in order to easy to install.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1325197168\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-3\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_350007392\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"747\" height=\"483\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses.png 747w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-300x194.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-600x388.png 600w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_350007392 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_891938684 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1925481243\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-middle align-center\"  id=\"row-383249242\">\n\n\n\t<div id=\"col-1310379004\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1972860417\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner box-shadow-3 dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"846\" height=\"625\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-4.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-4.png 846w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-4-300x222.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-4-768x567.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/drum-lenses-4-600x443.png 600w\" sizes=\"auto, (max-width: 846px) 100vw, 846px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1972860417 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-97924070\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-713511020\">\n\n\n\t<div id=\"col-205351901\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><div id=\"footable_parent_5109\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_1\" data-footable_id=\"5109\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Drm Lenses\"            id=\"footable_5109\"\n           data-unique_identifier=\"ninja_table_unique_id_1446033463_5109\"\n           class=\" foo-table ninja_footable foo_table_5109 ninja_table_unique_id_1446033463_5109 ui table  nt_type_legacy_table selectable striped vertical_centered  footable-paging-right ninjatable_hide_header_row ninja_table_search_disabled ninja_table_pro\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                    <\/colgroup>\n        <thead>\n<tr class=\"footable-header\">\n                                        <th scope=\"col\"  class=\"ninja_column_0 ninja_clmn_nm_1 \">1<\/th><th scope=\"col\"  class=\"ninja_column_1 ninja_clmn_nm_2 \">2<\/th><\/tr>\n<\/thead>\n<tbody>\n\n        <tr data-row_id=\"2692\" class=\"ninja_table_row_0 nt_row_id_2692\">\n            <td>Design Wavelength<\/td><td>587.6nm<\/td>        <\/tr>\n            <tr data-row_id=\"2693\" class=\"ninja_table_row_1 nt_row_id_2693\">\n            <td>Diameter Tolerance<\/td><td>+0.0\/-0.05mm<\/td>        <\/tr>\n            <tr data-row_id=\"2694\" class=\"ninja_table_row_2 nt_row_id_2694\">\n            <td>Center Thickness Tolerance(L)<\/td><td>\u00b10.005mm<\/td>        <\/tr>\n            <tr data-row_id=\"2695\" class=\"ninja_table_row_3 nt_row_id_2695\">\n            <td>Irregularity (P-V)<\/td><td>\u03bb\/4 @632.8nm<\/td>        <\/tr>\n            <tr data-row_id=\"2696\" class=\"ninja_table_row_4 nt_row_id_2696\">\n            <td>Surface Quality<\/td><td> 20-10<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-383249242 > .col > .col-inner {\n  padding: 20px 0px 0px 0px;\n}\n<\/style>\n<\/div>\n<div class=\"row align-middle\"  id=\"row-1738871341\">\n\n\n\t<div id=\"col-1518325291\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Drum Lenses are ideal choice for the propagation of light in optical communication.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-924558821\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>H-K9L Drum Lenses can also be uncoated or coated with other AR Coating,<\/p>\n<ul>\n<li>-A: Uncoated,<\/li>\n<li>-B: AR@400-700nm,<\/li>\n<li>-C: AR@1000-1650nm,<\/li>\n<\/ul>\n<p>anti-reflection coating can reduce the reflectivity of each surface of the lens.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1925481243 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n  background-color: rgba(248, 248, 248, 0.669);\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_938909503\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\t<div class=\"ux-shape-divider ux-shape-divider--top ux-shape-divider--style-arrow\">\n\t\t<svg viewBox=\"0 0 1000 100\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" preserveAspectRatio=\"none\">\n\t<path class=\"ux-shape-fill\" d=\"M1000 100H0L0 96H483L500 79L517 96H1000V100Z\"\/>\n<\/svg>\n\t<\/div>\n\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-421970780\">\n\n\n\t<div id=\"col-918014774\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"3440\" height=\"1823\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm.png\" class=\"attachment- size-\" alt=\"VIS-AR-Coating-400-700nm\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm.png 3440w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-300x159.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-1024x543.png 1024w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-768x407.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-1536x814.png 1536w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-2048x1085.png 2048w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-1320x700.png 1320w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/VIS-AR-Coating-400-700nm-600x318.png 600w\" sizes=\"auto, (max-width: 3440px) 100vw, 3440px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\n<h4>VIS AR-Coating 400-700nm<\/h4>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1323158510\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"3440\" height=\"1823\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm.png\" class=\"attachment- size-\" alt=\"NIR-Coating-650-1050nm\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm.png 3440w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-300x159.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-1024x543.png 1024w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-768x407.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-1536x814.png 1536w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-2048x1085.png 2048w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-1320x700.png 1320w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/NIR-Coating-650-1050nm-600x318.png 600w\" sizes=\"auto, (max-width: 3440px) 100vw, 3440px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\n<h4>NIR AR-Coating 650-1050nm<\/h4>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1844914028\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"3440\" height=\"1823\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm.png\" class=\"attachment- size-\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm.png 3440w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-300x159.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-1024x543.png 1024w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-768x407.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-1536x814.png 1536w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-2048x1085.png 2048w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-1320x700.png 1320w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/SWIR-Coating-1000-1650nm-600x318.png 600w\" sizes=\"auto, (max-width: 3440px) 100vw, 3440px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\n<h4>SWIR AR-Coating 1000-1650nm<\/h4>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_938909503 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n#section_938909503 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_938909503 .ux-shape-divider--top .ux-shape-fill {\n  fill: rgb(249, 249, 249);\n}\n<\/style>\n\t<\/section>\n\t\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>DL020, Drum Lenses made of H-K9L optical glass, coated NIR AR Coating, 650-1050nm.<\/li>\n<li>This Drum Lens with a diameter of 3.00mm, has a focal length of f2.93mm for you to choose from.<\/li>\n<\/ul>\n","protected":false},"featured_media":5103,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[37,47,97,101],"product_tag":[],"class_list":{"0":"post-5145","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lenses","7":"product_cat-drum-lenses","8":"product_cat-h-k9l-drum-lenses","9":"product_cat-nir-ar-coated-650-1050nm","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product\/5145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/comments?post=5145"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/media\/5103"}],"wp:attachment":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/media?parent=5145"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_brand?post=5145"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_cat?post=5145"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_tag?post=5145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}