{"product_id":"t-um05-45c-o12-low-gdd-ultrafast-mirror-1400-nm-1700-nm-45-aoi","title":"T-UM05-45C - Ø1\/2\" Low GDD Ultrafast Mirror, 1400 nm - 1700 nm, 45° AOI","description":"\u003cp\u003eT-UM05-45C - Ø1\/2\" Low GDD Ultrafast Mirror, 1400 nm - 1700 nm, 45° AOI\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/TTN008844-E0W.pdf?v=1700696962\"\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\u003eØ1\/2\" and Ø1.00\" Mirrors Available\u003c\/li\u003e\n\u003cli\u003ePolished Back Surface\u003c\/li\u003e\n\u003cli\u003eSurface Quality: 15-5 Scratch-Dig\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eLow Group Delay Dispersion (GDD) Mirrors incorporate a coating offering high reflectance in the 1400 nm - 1700 nm wavelength range and are meant to be used at a 45° angle of incidence. These ultrafast mirrors are designed for use with erbium lasers (1530 - 1620 nm); however, the operating wavelength range also covers many of the major telecom bands, including E (1360 - 1460 nm), S (1460 - 1530 nm), C (1530 - 1565 nm), L (1565 - 1625 nm), and U (1625 - 1675 nm). These mirrors are ideal for applications where pulse broadening is a concern. They offer an ideal combination of greater than 99% reflectance and less than |30 fs\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e| GDD; for details\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese low GDD mirrors are available with either a 1\/2\" or 1.00\" diameter. The edge of each optic is engraved with the item number and an arrowhead pointing to the coated surface. The back surface of these mirrors is polished so that the small percentage of light that leaks through the reflective coating may be used for applications such as power monitoring.\u003c\/p\u003e\n\u003cp\u003eIn addition to the low GDD mirrors here, We also offers Low GDD Mirrors for various other wavelength ranges.\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ctable class=\"SpecTable\" width=\"500\" cellspacing=\"\"\u003e\n\u003cthead\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003cth id=\"th15FD86780000\" align=\"left\"\u003eItem #\u003c\/th\u003e\n\u003cth id=\"th15FD86780001\" align=\"center\"\u003eT-UM05-45C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eDesign Wavelength Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e1400 - 1700 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e1\/2\" (12.7 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" 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=\"th15FD86780000\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e6.4 mm (0.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eThickness Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e±0.20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eClear Aperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e\u0026gt;80% of Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eReflectance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003eR\u003csub\u003es\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt; 99% (1400 - 1700 nm)\u003cbr\u003eR\u003csub\u003ep\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt; 99% (1500 - 1600 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eAngle of Incidence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eGroup Delay Dispersion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e|GDD\u003csub\u003es\u003c\/sub\u003e| \u0026lt; 30 fs² (1400 - 1700 nm)\u003cbr\u003e|GDD\u003csub\u003ep\u003c\/sub\u003e| \u0026lt; 30 fs² (1500 - 1600 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eSubstrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003eFused Silica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eFront Surface Flatness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003eλ\/4 at 632.8 nm\u003cbr\u003eOver Clear Aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eFront Surface Quality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e15-5 Scratch-Dig\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eParallelism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003e≤3 arcmin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd headers=\"th15FD86780000\"\u003e\u003cstrong\u003eBack Surface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd headers=\"th15FD86780001\" align=\"center\"\u003ePolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083686060288,"sku":"T-UM05-45C","price":472.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/TTN008844-xl.jpg?v=1785203593","url":"https:\/\/alotechparts.com\/products\/t-um05-45c-o12-low-gdd-ultrafast-mirror-1400-nm-1700-nm-45-aoi","provider":"Alo Tech Solutions","version":"1.0","type":"link"}