{"product_id":"t-um20-45b-o2-low-gdd-ultrafast-mirror-970-nm-1150-nm-45-aoi","title":"T-UM20-45B - Ø2\" Low-GDD Ultrafast Mirror, 970 nm - 1150 nm, 45° AOI","description":"\u003cp\u003eT-UM20-45B - Ø2\" Low-GDD Ultrafast Mirror, 970 nm - 1150 nm, 45° AOI\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/TTN270859-E0W.pdf?v=1700700695\"\u003e\u003cstrong\u003eProduct Drawing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Group Delay Dispersion: |GDD| \u0026lt; 30 fs\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for Pulses Shorter than 250 fs\u003c\/li\u003e\n\u003cli\u003eReflectance Greater than 99%\u003c\/li\u003e\n\u003cli\u003eDesigned for 0° or 45° Angle of Incidence (AOI)\u003c\/li\u003e\n\u003cli\u003eSizes Available:\n\u003cul\u003e\n\u003cli\u003eFor 0° AOI: Ø1\/2\" or Ø1\"\u003c\/li\u003e\n\u003cli\u003eFor 45° AOI: Ø1\/2\", Ø1\", or Ø2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"SpecTable\" width=\"100%\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003cth id=\"th1673D6780000\" align=\"left\" width=\"30%\"\u003eItem #\u003c\/th\u003e\n\u003cth id=\"th1673D6780001\" align=\"center\"\u003eT-UM05-45B\u003c\/th\u003e\n\u003cth id=\"th1673D6780002\" align=\"center\"\u003eT-UM10-45B\u003c\/th\u003e\n\u003cth id=\"th1673D6780002\" align=\"center\"\u003eT-UM20-45B\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eDesign Wavelength Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003e970 - 1150 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003e1\/2\" (12.7 mm)\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780002\" align=\"center\"\u003e1\" (25.4 mm)\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780002\" align=\"center\"\u003e2\" (50.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003e+0.00 \/ -0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eClear Aperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003e\u0026gt;80% of Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003e6.4 mm (0.25\")\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780002\" align=\"center\"\u003e9.5 mm (0.37\")\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780002\" align=\"center\"\u003e12.0 mm (0.47\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eThickness Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" headers=\"th1673D6780001\" align=\"center\"\u003e±0.20 mm\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003e±0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eReflectance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003eR\u003csub\u003es\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt; 99% (970 - 1150 nm)\u003cbr\u003eR\u003csub\u003ep\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt; 99% (1020 - 1080 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eAngle of Incidence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003e45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eGroup Delay Dispersion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003e|GDD\u003csub\u003es\u003c\/sub\u003e| \u0026lt; 30 fs² (970 - 1150 nm)\u003cbr\u003e|GDD\u003csub\u003ep\u003c\/sub\u003e| \u0026lt; 30 fs² (1020 - 1080 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\n\u003cstrong\u003eLaser Induced \u003c\/strong\u003e\u003cstrong\u003eDamage Threshold\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003e0.40 J\/cm\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e(1030 nm, 309 fs FWHM, S-Pol, 1000 Pulses)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eSubstrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\" headers=\"th1673D6780001\" align=\"center\"\u003eFused Silica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eFront Surface Flatness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003eλ\/4\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780002\" align=\"center\"\u003eλ\/6\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780002\" align=\"center\"\u003e\u0026lt;λ\/3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eFront Surface Quality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" headers=\"th1673D6780001\" align=\"center\"\u003e15-5 Scratch-Dig\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003e20-10 Scratch-Dig\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eParallelism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" headers=\"th1673D6780001\" align=\"center\"\u003e≤3 arcmin\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003e≤5 arcmin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th1673D6780000\"\u003e\u003cstrong\u003eBack Surface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" headers=\"th1673D6780001\" align=\"center\"\u003ePolished\u003c\/td\u003e\n\u003ctd headers=\"th1673D6780001\" align=\"center\"\u003eFine Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083632648448,"sku":"T-UM20-45B","price":1589.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/TTN270859-xl.jpg?v=1785202818","url":"https:\/\/alotechparts.com\/products\/t-um20-45b-o2-low-gdd-ultrafast-mirror-970-nm-1150-nm-45-aoi","provider":"Alo Tech Solutions","version":"1.0","type":"link"}