{"id":7140,"date":"2024-03-01T08:38:25","date_gmt":"2024-03-01T08:38:25","guid":{"rendered":"https:\/\/etaoptics.com\/?post_type=product&#038;p=7140"},"modified":"2024-03-01T08:57:28","modified_gmt":"2024-03-01T08:57:28","slug":"pcv089-zinc-selenide-plano-concave-lenses-uncoated-cvd-laser-grade-znse-pcv-lenses-d25-40mm","status":"publish","type":"product","link":"https:\/\/www.etaoptics.com\/de\/product\/pcv089-zinc-selenide-plano-concave-lenses-uncoated-cvd-laser-grade-znse-pcv-lenses-d25-40mm\/","title":{"rendered":"PCV089, Zinc Selenide Plano-Concave Lenses, Uncoated CVD Laser grade ZnSe PCV Lenses, D=25.40mm"},"content":{"rendered":"<div id=\"footable_parent_7146\"\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=\"7146\" data-filter-delay=\"1000\" aria-label=\"Parameters of PCV089\"            id=\"footable_7146\"\n           data-unique_identifier=\"ninja_table_unique_id_1663108707_7146\"\n           class=\" foo-table ninja_footable foo_table_7146 ninja_table_unique_id_1663108707_7146 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                            <col class=\"ninja_column_7 \">\n                            <col class=\"ninja_column_8 \">\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 \">D-mm<\/th><th scope=\"col\"  class=\"ninja_column_4 ninja_clmn_nm_focal_length_efl \">EFL-mm<\/th><th scope=\"col\"  class=\"ninja_column_5 ninja_clmn_nm_back_focal_length_bfl \">BFL-mm<\/th><th scope=\"col\"  class=\"ninja_column_6 ninja_clmn_nm_radius_mm \">R1=R2-mm<\/th><th scope=\"col\"  class=\"ninja_column_7 ninja_clmn_nm_center_thickness_tc \">Tc-mm<\/th><th scope=\"col\"  class=\"ninja_column_8 ninja_clmn_nm_edge_thickness_te \">Te-mm<\/th><\/tr>\n<\/thead>\n<tbody>\n\n        <tr data-row_id=\"4175\" class=\"ninja_table_row_0 nt_row_id_4175\">\n            <td>PCV089-01<\/td><td>CVD Laser grade Zinc Selenide (ZnSe)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-25.4<\/td><td>-26.2<\/td><td>-35.6<\/td><td>2.0<\/td><td>4.3<\/td>        <\/tr>\n            <tr data-row_id=\"4176\" class=\"ninja_table_row_1 nt_row_id_4176\">\n            <td>PCV089-02<\/td><td>CVD Laser grade Zinc Selenide (ZnSe)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-50.0<\/td><td>-50.8<\/td><td>-70.1<\/td><td>2.0<\/td><td>3.2<\/td>        <\/tr>\n            <tr data-row_id=\"4177\" class=\"ninja_table_row_2 nt_row_id_4177\">\n            <td>PCV089-03<\/td><td>CVD Laser grade Zinc Selenide (ZnSe)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-75.0<\/td><td>-75.8<\/td><td>-105.2<\/td><td>2.0<\/td><td>2.8<\/td>        <\/tr>\n            <tr data-row_id=\"4178\" class=\"ninja_table_row_3 nt_row_id_4178\">\n            <td>PCV089-04<\/td><td>CVD Laser grade Zinc Selenide (ZnSe)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-100.0<\/td><td>-100.0<\/td><td>-140.3<\/td><td>2.0<\/td><td>2.6<\/td>        <\/tr>\n            <tr data-row_id=\"4179\" class=\"ninja_table_row_4 nt_row_id_4179\">\n            <td>PCV089-05<\/td><td>CVD Laser grade Zinc Selenide (ZnSe)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-200.0<\/td><td>-200<\/td><td>-280.5<\/td><td>2.0<\/td><td>2.3<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n\n\n\t<section class=\"section\" id=\"section_347909827\">\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-567730152\">\n\n\n\t<div id=\"col-74175204\" 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>Uncoated ZnSe Plano-Concave Lenses<\/h3>\n<p>These uncoated Plano-Concave Lenses are manufactured using CVD Laser grade Zinc Selenide(ZnSe), which can diverge the light.<\/p>\n<p>They have one flat side and one concave side, with a negative focal length.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-120533975\" 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_1568905868\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"548\" height=\"326\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2024\/03\/ZnSe-PCV03.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2024\/03\/ZnSe-PCV03.jpg 548w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2024\/03\/ZnSe-PCV03-300x178.jpg 300w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/>\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_1568905868 {\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_347909827 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1957452233\">\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-1964422650\">\n\n\n\t<div id=\"col-803878587\" 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_2076715387\">\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=\"843\" height=\"718\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV.png 843w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-300x256.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-768x654.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-600x511.png 600w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/>\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_2076715387 {\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-1950964041\" 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-254186004\">\n\n\n\t<div id=\"col-1391222719\" 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>Plano-Concave Lenses are usually used in beam expansion applications, light projection, or focal length of expansion.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-960032111\">\n\n\n\t<div id=\"col-736461412\" 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>Tc---------- Center Thickness<br \/>\nTe---------- Edge Thickness<br \/>\nR1---------- Radius<br \/>\nDia---------- Diameter<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-527014503\" 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>BFL ---------- Back Focal Length<br \/>\nEFL ---------- Effective Focal Length<br \/>\nH'-------------- Principal Point<\/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-1964422650 > .col > .col-inner {\n  padding: 20px 0px 0px 0px;\n}\n<\/style>\n<\/div>\n<div class=\"row\"  id=\"row-1864823066\">\n\n\n\t<div id=\"col-633765596\" 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><div id=\"footable_parent_7016\"\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=\"7016\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Plano-Convex Lenses-ZnSe-2\"            id=\"footable_7016\"\n           data-unique_identifier=\"ninja_table_unique_id_1757508122_7016\"\n           class=\" foo-table ninja_footable foo_table_7016 ninja_table_unique_id_1757508122_7016 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=\"4098\" class=\"ninja_table_row_0 nt_row_id_4098\">\n            <td>Design Wavelength<\/td><td>10.6\u03bcm<\/td>        <\/tr>\n            <tr data-row_id=\"4099\" class=\"ninja_table_row_1 nt_row_id_4099\">\n            <td>Focal Length Tolerance<\/td><td>\u00b11%<\/td>        <\/tr>\n            <tr data-row_id=\"4100\" class=\"ninja_table_row_2 nt_row_id_4100\">\n            <td>Diameter Tolerance<\/td><td>+0.0\/-0.1mm<\/td>        <\/tr>\n            <tr data-row_id=\"4101\" class=\"ninja_table_row_3 nt_row_id_4101\">\n            <td>Surface Quality<\/td><td>40\/20-60\/40<\/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\t<div id=\"col-1052007213\" 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><div id=\"footable_parent_7017\"\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_2\" data-footable_id=\"7017\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Plano-Convex Lenses-ZnSe-1\"            id=\"footable_7017\"\n           data-unique_identifier=\"ninja_table_unique_id_743358555_7017\"\n           class=\" foo-table ninja_footable foo_table_7017 ninja_table_unique_id_743358555_7017 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=\"4105\" class=\"ninja_table_row_0 nt_row_id_4105\">\n            <td>Center Thickness Tolerance<\/td><td>\u00b10.2mm<\/td>        <\/tr>\n            <tr data-row_id=\"4107\" class=\"ninja_table_row_1 nt_row_id_4107\">\n            <td>Centering Tolerance<\/td><td><3 arcmin<\/td>        <\/tr>\n            <tr data-row_id=\"4108\" class=\"ninja_table_row_2 nt_row_id_4108\">\n            <td>Bevelling<\/td><td><0.2\u00d745\u00b0<\/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<div class=\"row align-middle\"  id=\"row-1670158134\">\n\n\n\t<div id=\"col-1756509676\" 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>Uncoated ZnSe Single Crystal(Calcium Fluoride) Plano-Concave Lenses can also be coated with IR AR Coating 8-12um.<\/p>\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\t<div id=\"col-1726309201\" 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=\"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=\"556\" height=\"338\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2024\/02\/IR2-Coating.jpg\" class=\"attachment- size-\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2024\/02\/IR2-Coating.jpg 556w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2024\/02\/IR2-Coating-300x182.jpg 300w\" sizes=\"auto, (max-width: 556px) 100vw, 556px\" \/>\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>IR AR-Coating Ravg&lt;1.5%@8-12um<\/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_1957452233 {\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","protected":false},"excerpt":{"rendered":"<ul>\n<li>PCV089, Zinc Selenide Plano-Concave Lenses, Uncoated CVD Laser grade ZnSe PCV Lenses.<\/li>\n<li>These uncoated ZnSe Plano-Concave Lenses with a diameter of 25.40mm, have different focal lengths for you to choose from, f-25.40mm, f-50.00mm, f-75.00mm, f-100.00mm, f-200.00mm.<\/li>\n<\/ul>\n","protected":false},"featured_media":7101,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[37,40,69,148],"product_tag":[],"class_list":{"0":"post-7140","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lenses","7":"product_cat-plano-concave-pcvlenses","8":"product_cat-zinc-selenide-znse-plano-concave-pcv-lenses","9":"product_cat-uncoated-zinc-selenide-znse-plano-concave-pcv-lenses","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product\/7140","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=7140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/media\/7101"}],"wp:attachment":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/media?parent=7140"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_brand?post=7140"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_cat?post=7140"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_tag?post=7140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}