# Subaru Telescope Infrared Secondary Mirrror Witness Sample Reflectivity # Coated with Silver on 2008-08-22 # Opened the vacuum chamber: No information # Measured with Hitachi U-4001 spectrophotometer on 2008-08-25 # Averaved ten measurements from three witness samples # Contact: Hirofumi Okita (okita14@naoj.org) # # Wavelength (nm) Average Std.Dev. 2600 0.9935 0.0026 2595 0.9915 0.0022 2590 0.9901 0.0018 2585 0.9901 0.0020 2580 0.9893 0.0029 2575 0.9878 0.0038 2570 0.9865 0.0040 2565 0.9850 0.0042 2560 0.9836 0.0036 2555 0.9839 0.0031 2550 0.9845 0.0025 2545 0.9835 0.0021 2540 0.9857 0.0021 2535 0.9874 0.0021 2530 0.9879 0.0027 2525 0.9875 0.0027 2520 0.9872 0.0021 2515 0.9883 0.0019 2510 0.9899 0.0019 2505 0.9909 0.0020 2500 0.9919 0.0017 2495 0.9919 0.0015 2490 0.9920 0.0016 2485 0.9928 0.0015 2480 0.9929 0.0013 2475 0.9927 0.0008 2470 0.9925 0.0008 2465 0.9927 0.0011 2460 0.9929 0.0013 2455 0.9935 0.0012 2450 0.9935 0.0011 2445 0.9933 0.0011 2440 0.9935 0.0010 2435 0.9931 0.0011 2430 0.9932 0.0012 2425 0.9933 0.0011 2420 0.9930 0.0008 2415 0.9933 0.0006 2410 0.9938 0.0008 2405 0.9945 0.0007 2400 0.9939 0.0008 2395 0.9939 0.0009 2390 0.9936 0.0010 2385 0.9941 0.0012 2380 0.9936 0.0012 2375 0.9937 0.0011 2370 0.9936 0.0010 2365 0.9927 0.0010 2360 0.9927 0.0008 2355 0.9928 0.0008 2350 0.9931 0.0007 2345 0.9936 0.0009 2340 0.9944 0.0009 2335 0.9948 0.0009 2330 0.9949 0.0007 2325 0.9953 0.0005 2320 0.9950 0.0005 2315 0.9953 0.0005 2310 0.9947 0.0005 2305 0.9945 0.0006 2300 0.9944 0.0008 2295 0.9947 0.0010 2290 0.9952 0.0012 2285 0.9960 0.0011 2280 0.9965 0.0012 2275 0.9971 0.0014 2270 0.9976 0.0014 2265 0.9971 0.0013 2260 0.9969 0.0012 2255 0.9964 0.0012 2250 0.9959 0.0011 2245 0.9959 0.0011 2240 0.9958 0.0011 2235 0.9958 0.0011 2230 0.9957 0.0011 2225 0.9957 0.0010 2220 0.9954 0.0008 2215 0.9951 0.0006 2210 0.9937 0.0010 2205 0.9919 0.0015 2200 0.9904 0.0021 2195 0.9894 0.0026 2190 0.9893 0.0028 2185 0.9893 0.0027 2180 0.9901 0.0023 2175 0.9912 0.0017 2170 0.9923 0.0012 2165 0.9931 0.0007 2160 0.9935 0.0006 2155 0.9933 0.0004 2150 0.9933 0.0005 2145 0.9935 0.0005 2140 0.9936 0.0006 2135 0.9934 0.0006 2130 0.9934 0.0006 2125 0.9936 0.0006 2120 0.9939 0.0005 2115 0.9940 0.0005 2110 0.9940 0.0006 2105 0.9939 0.0005 2100 0.9940 0.0004 2095 0.9937 0.0004 2090 0.9939 0.0004 2085 0.9940 0.0004 2080 0.9940 0.0004 2075 0.9939 0.0004 2070 0.9939 0.0004 2065 0.9941 0.0004 2060 0.9940 0.0005 2055 0.9942 0.0006 2050 0.9942 0.0006 2045 0.9941 0.0007 2040 0.9940 0.0006 2035 0.9937 0.0006 2030 0.9938 0.0006 2025 0.9936 0.0005 2020 0.9936 0.0004 2015 0.9938 0.0004 2010 0.9942 0.0005 2005 0.9943 0.0005 2000 0.9943 0.0006 1995 0.9942 0.0005 1990 0.9942 0.0004 1985 0.9946 0.0004 1980 0.9947 0.0003 1975 0.9949 0.0003 1970 0.9949 0.0003 1965 0.9948 0.0004 1960 0.9948 0.0005 1955 0.9949 0.0006 1950 0.9948 0.0006 1945 0.9949 0.0005 1940 0.9950 0.0006 1935 0.9952 0.0006 1930 0.9955 0.0006 1925 0.9954 0.0006 1920 0.9955 0.0006 1915 0.9953 0.0005 1910 0.9951 0.0005 1905 0.9948 0.0005 1900 0.9944 0.0005 1895 0.9941 0.0005 1890 0.9940 0.0005 1885 0.9942 0.0005 1880 0.9942 0.0005 1875 0.9943 0.0005 1870 0.9942 0.0005 1865 0.9939 0.0005 1860 0.9935 0.0006 1855 0.9933 0.0006 1850 0.9933 0.0006 1845 0.9933 0.0006 1840 0.9936 0.0006 1835 0.9938 0.0006 1830 0.9939 0.0006 1825 0.9937 0.0006 1820 0.9937 0.0006 1815 0.9935 0.0006 1810 0.9933 0.0006 1805 0.9932 0.0006 1800 0.9933 0.0006 1795 0.9933 0.0006 1790 0.9934 0.0006 1785 0.9936 0.0006 1780 0.9936 0.0006 1775 0.9937 0.0006 1770 0.9938 0.0006 1765 0.9937 0.0006 1760 0.9937 0.0006 1755 0.9936 0.0006 1750 0.9935 0.0006 1745 0.9935 0.0006 1740 0.9934 0.0006 1735 0.9935 0.0006 1730 0.9936 0.0006 1725 0.9937 0.0006 1720 0.9937 0.0006 1715 0.9937 0.0006 1710 0.9936 0.0006 1705 0.9937 0.0006 1700 0.9936 0.0006 1695 0.9936 0.0006 1690 0.9936 0.0006 1685 0.9936 0.0006 1680 0.9936 0.0006 1675 0.9936 0.0006 1670 0.9935 0.0006 1665 0.9935 0.0006 1660 0.9934 0.0007 1655 0.9934 0.0007 1650 0.9935 0.0007 1645 0.9934 0.0007 1640 0.9934 0.0007 1635 0.9935 0.0007 1630 0.9935 0.0007 1625 0.9935 0.0007 1620 0.9934 0.0007 1615 0.9933 0.0007 1610 0.9927 0.0007 1605 0.9931 0.0006 1600 0.9934 0.0007 1595 0.9937 0.0008 1590 0.9938 0.0009 1585 0.9936 0.0009 1580 0.9933 0.0008 1575 0.9927 0.0007 1570 0.9921 0.0007 1565 0.9917 0.0008 1560 0.9914 0.0009 1555 0.9915 0.0009 1550 0.9920 0.0007 1545 0.9923 0.0007 1540 0.9920 0.0008 1535 0.9923 0.0007 1530 0.9925 0.0008 1525 0.9927 0.0008 1520 0.9927 0.0008 1515 0.9928 0.0008 1510 0.9928 0.0008 1505 0.9928 0.0009 1500 0.9928 0.0009 1495 0.9927 0.0009 1490 0.9926 0.0009 1485 0.9926 0.0009 1480 0.9927 0.0009 1475 0.9926 0.0008 1470 0.9928 0.0008 1465 0.9929 0.0008 1460 0.9930 0.0008 1455 0.9930 0.0008 1450 0.9929 0.0009 1445 0.9928 0.0009 1440 0.9927 0.0009 1435 0.9927 0.0009 1430 0.9928 0.0009 1425 0.9929 0.0009 1420 0.9932 0.0010 1415 0.9934 0.0010 1410 0.9939 0.0011 1405 0.9940 0.0012 1400 0.9941 0.0013 1395 0.9940 0.0013 1390 0.9937 0.0011 1385 0.9930 0.0009 1380 0.9923 0.0008 1375 0.9916 0.0010 1370 0.9913 0.0012 1365 0.9911 0.0013 1360 0.9910 0.0012 1355 0.9911 0.0012 1350 0.9912 0.0012 1345 0.9914 0.0012 1340 0.9915 0.0013 1335 0.9916 0.0013 1330 0.9915 0.0013 1325 0.9918 0.0012 1320 0.9920 0.0012 1315 0.9923 0.0011 1310 0.9923 0.0010 1305 0.9921 0.0009 1300 0.9922 0.0009 1295 0.9922 0.0009 1290 0.9921 0.0010 1285 0.9920 0.0011 1280 0.9920 0.0011 1275 0.9920 0.0011 1270 0.9920 0.0011 1265 0.9921 0.0010 1260 0.9919 0.0010 1255 0.9919 0.0009 1250 0.9917 0.0009 1245 0.9917 0.0010 1240 0.9916 0.0010 1235 0.9917 0.0010 1230 0.9917 0.0010 1225 0.9916 0.0010 1220 0.9916 0.0010 1215 0.9916 0.0011 1210 0.9916 0.0011 1205 0.9917 0.0011 1200 0.9917 0.0011 1195 0.9916 0.0011 1190 0.9917 0.0011 1185 0.9918 0.0010 1180 0.9917 0.0010 1175 0.9916 0.0010 1170 0.9914 0.0010 1165 0.9915 0.0011 1160 0.9915 0.0011 1155 0.9915 0.0011 1150 0.9915 0.0011 1145 0.9915 0.0011 1140 0.9915 0.0011 1135 0.9915 0.0011 1130 0.9913 0.0011 1125 0.9913 0.0011 1120 0.9914 0.0012 1115 0.9913 0.0012 1110 0.9912 0.0012 1105 0.9912 0.0012 1100 0.9910 0.0012 1095 0.9910 0.0012 1090 0.9910 0.0012 1085 0.9911 0.0012 1080 0.9910 0.0012 1075 0.9912 0.0012 1070 0.9912 0.0012 1065 0.9913 0.0012 1060 0.9910 0.0012 1055 0.9910 0.0013 1050 0.9907 0.0014 1045 0.9906 0.0014 1040 0.9905 0.0014 1035 0.9906 0.0014 1030 0.9906 0.0013 1025 0.9907 0.0014 1020 0.9907 0.0014 1015 0.9907 0.0014 1010 0.9908 0.0015 1005 0.9906 0.0015 1000 0.9904 0.0015 995 0.9906 0.0015 990 0.9908 0.0014 985 0.9911 0.0014 980 0.9907 0.0015 975 0.9907 0.0016 970 0.9909 0.0018 965 0.9911 0.0019 960 0.9912 0.0020 955 0.9913 0.0021 950 0.9912 0.0021 945 0.9910 0.0021 940 0.9912 0.0019 935 0.9908 0.0020 930 0.9905 0.0020 925 0.9912 0.0022 920 0.9915 0.0024 915 0.9920 0.0025 910 0.9915 0.0025 905 0.9912 0.0024 900 0.9907 0.0023 895 0.9904 0.0022 890 0.9904 0.0021 885 0.9903 0.0019 880 0.9903 0.0018 875 0.9912 0.0018 870 0.9913 0.0018 865 0.9906 0.0020 860 0.9895 0.0020 855 0.9894 0.0017 850 0.9883 0.0015 845 0.9884 0.0012 840 0.9872 0.0012 835 0.9863 0.0016 830 0.9853 0.0017 825 0.9849 0.0018 820 0.9843 0.0020 815 0.9845 0.0022 810 0.9848 0.0022 805 0.9856 0.0018 800 0.9862 0.0013 795 0.9861 0.0013 790 0.9858 0.0013 785 0.9854 0.0013 780 0.9838 0.0015 775 0.9839 0.0015 770 0.9834 0.0019 765 0.9839 0.0022 760 0.9844 0.0022 755 0.9856 0.0021 750 0.9861 0.0018 745 0.9866 0.0019 740 0.9870 0.0021 735 0.9860 0.0023 730 0.9853 0.0023 725 0.9842 0.0023 720 0.9838 0.0022 715 0.9835 0.0022 710 0.9837 0.0021 705 0.9837 0.0020 700 0.9837 0.0020 695 0.9838 0.0020 690 0.9830 0.0020 685 0.9829 0.0020 680 0.9829 0.0020 675 0.9828 0.0021 670 0.9831 0.0022 665 0.9833 0.0022 660 0.9836 0.0022 655 0.9836 0.0022 650 0.9835 0.0021 645 0.9830 0.0021 640 0.9827 0.0020 635 0.9823 0.0020 630 0.9822 0.0021 625 0.9823 0.0021 620 0.9817 0.0022 615 0.9818 0.0022 610 0.9818 0.0022 605 0.9814 0.0022 600 0.9811 0.0022 595 0.9811 0.0021 590 0.9809 0.0022 585 0.9805 0.0022 580 0.9804 0.0022 575 0.9801 0.0023 570 0.9797 0.0024 565 0.9793 0.0024 560 0.9791 0.0024 555 0.9790 0.0024 550 0.9786 0.0024 545 0.9784 0.0024 540 0.9784 0.0024 535 0.9780 0.0024 530 0.9779 0.0024 525 0.9779 0.0024 520 0.9772 0.0025 515 0.9765 0.0025 510 0.9758 0.0026 505 0.9750 0.0027 500 0.9745 0.0027 495 0.9744 0.0028 490 0.9742 0.0028 485 0.9738 0.0027 480 0.9735 0.0026 475 0.9725 0.0026 470 0.9716 0.0026 465 0.9709 0.0026 460 0.9700 0.0028 455 0.9692 0.0028 450 0.9685 0.0028 445 0.9682 0.0028 440 0.9672 0.0027 435 0.9659 0.0026 430 0.9646 0.0027 425 0.9630 0.0028 420 0.9610 0.0029 415 0.9585 0.0030 410 0.9560 0.0029 405 0.9528 0.0028 400 0.9496 0.0027 395 0.9468 0.0026 390 0.9425 0.0026 385 0.9381 0.0024 380 0.9318 0.0025 375 0.9253 0.0025 370 0.9166 0.0022 365 0.8980 0.0024 360 0.8781 0.0034 355 0.8668 0.0050 350 0.8605 0.0059 345 0.8323 0.0053 340 0.7581 0.0033 335 0.6360 0.0017 330 0.4792 0.0024 325 0.3185 0.0033 320 0.1804 0.0032 315 0.0869 0.0023 310 0.0470 0.0008 305 0.0598 0.0012 300 0.1071 0.0023