{"product_id":"t-hrr203-f01-n-bk7-hollow-retroreflector-o18-clear-aperture-uv-enhanced-aluminum-coating-sm1-threaded-mount","title":"T-HRR203-F01 - N-BK7 Hollow Retroreflector, Ø1.8\" Clear Aperture, UV-Enhanced Aluminum Coating, SM1-Threaded Mount","description":"\u003cp\u003eT-HRR203-F01 - N-BK7 Hollow Retroreflector, Ø1.8\" Clear Aperture, UV-Enhanced Aluminum Coating, SM1-Threaded Mount\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/STN055932-E0W.pdf?v=1705685847\"\u003e\u003cstrong\u003eProduct Drawing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMirror Reflects an Inverted and Reversed Image Back to Source\u003c\/li\u003e\n\u003cli\u003eFour Metallic Coating Options\n\u003cul\u003e\n\u003cli\u003eProtected UV-Enhanced Aluminum (N-BK7 Substrate)\u003c\/li\u003e\n\u003cli\u003eProtected Silver Coating (N-BK7 or UV Fused Silica Substrate)\u003c\/li\u003e\n\u003cli\u003eProtected Gold Coating (UV Fused Silica Substrate)\u003c\/li\u003e\n\u003cli\u003eUnprotected Gold Coating (N-BK7 Substrate)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eThree Entrance Aperture Options: Ø0.60'', Ø0.90'', and Ø1.80''\u003c\/li\u003e\n\u003cli\u003eSM05- or SM1-Threaded Mounts\u003c\/li\u003e\n\u003cli\u003eUV-Enhanced Aluminum Coating\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eR\u003csub\u003eavg\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt; 90% from 250 to 450 nm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eN-BK7 Substrate\u003c\/li\u003e\n\u003cli\u003eSM1-Threaded Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" class=\"SpecTable\"\u003e\n\u003cthead\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003cth valign=\"bottom\"\u003eItem #\u003c\/th\u003e\n\u003cth valign=\"bottom\" align=\"center\"\u003eT-HRR203-F01\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eClear Aperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eEntrance: Ø1.80\" (45.7 mm)\u003cbr\u003eSingle Leg: Ø0.84\" (21.2 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCoating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eUV-Enhanced Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eReflectance per Surface\u003cspan\u003e \u003c\/span\u003e(Average)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u0026gt;90% (250 - 450 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003ca href=\"https:\/\/www.thorlabs.com\/newgrouppage9.cfm?objectgroup_id=6973\u0026amp;tabname=N-BK7\" target=\"_blank\"\u003eN-BK7\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrate Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Flatness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u0026lt;λ\/4 at 633 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e2.33\" x Ø2.52\"\u003cbr\u003e(59.1 mm x Ø64.0 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\" align=\"left\"\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Threading\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eSM1 (1.035\"-40)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083594932480,"sku":"T-HRR203-F01","price":1785.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/STN055932-xl.jpg?v=1785202168","url":"https:\/\/alotechparts.com\/products\/t-hrr203-f01-n-bk7-hollow-retroreflector-o18-clear-aperture-uv-enhanced-aluminum-coating-sm1-threaded-mount","provider":"Alo Tech Solutions","version":"1.0","type":"link"}