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nec's tunable cw ingaasp mqw-dfb laser diode module with wavelength monitor for dwdm applications (20 mw min) nx8570 series features ? wa velength selectable for itu-t standards: (50 ghz grid) ? nx8570scxxxd - 4x50 ghz tunable ? nx8570scxxxq - 8x50 ghz tunable ? wa velength monitor function: (etalon filter, wavelength monitor pd) ? output power: pf = 20 mw min ? internal thermoelectric cooler and isolator ? hermetically sealed 14-pin butterfly package ? polarization maintain fiber pigtail nec's nx8570 series is a 1550 nm multiple quantum well (mqw) structured distributed feed-back laser diode with wave- length mon i tor func tion. this device is temperature tunable up to 8 x 50 ghz channels. available at both c-band(1550.334 to 1565.087 nm) and l-band (1565.496 to 1508.760 nm) itu-t grid wavelength. this de vice is de signed as a cw light source and is ideal for trans mis sion systems in which external mod u - la tors are used. description california eastern laboratories p art number nx8570 series symbols parameters and conditions units min typ max t set laser set temperature fixed wavelength c 20 35 4 channel tuneable c 10 45 8 channel tuneable c 5 55 v f forward voltage, p f = 20 mw v 0.9 1.2 2.5 i th threshold current ma 20 40 i op operation current, p f = 20 mw ma 120 167 p f optical output power from fiber, i f = 167 ma, t ld = t set mw 20 p th threshold output power from fiber, i f = i th w 100 p peak emission wavelength, p f = 20 mw, cw, t ld = t set nm 1530 itu-t 1 1609 w avelength stability, t ld = t set , applicable to wavelength monitor, e.o.l. pm -20 +20 ? spectral line width, p f = 20 mw, cw, 3 db down mhz 1 5 smsr side mode suppression ratio, p f = 20 mw, cw db 35 45 rin relative intensity noise, p f = 20 mw, 20 mhz to 3 ghz db/hz -150 ext polarization extinction ratio 2 , p f = 20 mw, cw db 20 isol isolation db 30 electro-optical characteristics (t ld = 25c, t c = -5 to +70c, unless otherwise speci t ed) notes: 1. available for dwdm wavelengths based on itu-t recommended grid. please refer to "tables a, b, and c". 2. polarization state of ld is aligned parallel to the slow axis.
absolute maximum ratings 1 (t a = 25c, unless otherwise speci t ed) symbols parameters units ratings i f forward current of ld ma 300 v r reverse voltage of ld v 2.0 i f forward current of pd ma 10 v r reverse voltage of pd v 20 t c operating case temperature c -20 to +70 t stg storage temperature c -40 to +85 t sld lead soldering temperature (10 s) c 260 note: 1. operation in excess of any one of these parameters may result in p ermanent dama g e. nx8570 series p art number nx8570 series symbols parameters and conditions units min typ max r thermistor resistance. t ld = 25c k ? 9.5 10.0 10.5 b b constant, t ld = 25c k 3350 3450 3550 i c cooler current, ? t = 70 - t set , p f = 20 mw a 1.5 v c cooler voltage, ? t = 70 - t set , p f = 20 mw v 3.0 electro-optical characteristics (applicable to thermistor and tec: t ld = t set , tc = -5 to +70c) p art number nx8570 series symbols parameters and conditions units min typ max i m(p f ) monitor current (p f monitor), p f = 20 mw, v r = 5 v a 30 300 i m( p) monitor current ( p monitor), p f = 20 mw, v r = 5 v, peak value a 15 150 i m ( ) operation region 1 % 25 75 | 1 ? 2 | pm 90 discrimination slope 1 a/pm 0.05 i d dark current, v r = 5 v na 2 10 2 tracking error, i m = const. db 0.5 electro-optical characteristics (applicable to monitor pd: t ld = t set , t c = -5 to +70c) = 10 log p f 20 mw notes: 1. operation region, discrimination slope, slope assignment. p f (mw) t ld = t set t ld = t set , t c = -5 to +70 c 20 0 p f i m i m 2. tracking error: operation region locking point p 1 2 i m ( ) i m @ 100% i 1 : i m @ 75% i 2 : i m @ 25% i m @ 0% i m ( p ) 0 operation region locking point p 1 2 i m ( ) i m @ 100% i 1 : i m @ 75% i 2 : i m @ 25% i m @ 0% i m ( p ) 0 = i 1 ? i 2 1 ? 2 | [ a/pm] | negative slope (odd channel) positive slope (even channel)
nx8570 series ordering information note: 1. sc connector: option t able a: part number for xed wave length product part number wevelength available connector nx8570sc-ba fixed (refer to table a) with fc-pc connector nx8570sc-ca *1 with sc-pc connector nx8570scd-ba 4 channel tunable (refer to table b) with fc-pc connector nx8570scd-ca *1 with sc-pc connector nx8570scq-ba 8 channel tunable (refer to table c) with fc-pc connector part number channel itu-t wavelength frequency monitor slope w ith fc-pc connector (standard) (nm) (thz) nx8570sc303-ba 1 1530.334 195.90 negative nx8570sc307-ba 2 1530.725 195.85 positive nx8570sc311-ba 3 1531.116 195.80 negative nx8570sc315-ba 4 1531.507 195.75 positive nx8570sc318-ba 5 1531.898 195.70 negative nx8570sc322-ba 6 1532.290 195.65 positive nx8570sc326-ba 7 1532.681 195.60 negative nx8570sc330-ba 8 1533.073 195.55 positive nx8570sc334-ba 9 1533.465 195.50 negative nx8570sc338-ba 10 1533.858 195.45 positive nx8570sc342-ba 11 1534.250 195.40 negative nx8570sc346-ba 12 1534.643 195.35 positive nx8570sc350-ba 13 1535.036 195.30 negative nx8570sc354-ba 14 1535.429 195.25 positive nx8570sc358-ba 15 1535.822 195.20 negative nx8570sc362-ba 16 1536.216 195.15 positive nx8570sc366-ba 17 1536.609 195.10 negative nx8570sc370-ba 18 1537.003 195.05 positive nx8570sc373-ba 19 1537.397 195.00 negative nx8570sc377-ba 20 1537.792 194.95 positive nx8570sc381-ba 21 1538.186 194.90 negative nx8570sc385-ba 22 1538.581 194.85 positive nx8570sc389-ba 23 1538.976 194.80 negative nx8570sc393-ba 24 1539.371 194.75 positive nx8570sc397-ba 25 1539.766 194.70 negative nx8570sc401-ba 26 1540.162 194.65 positive nx8570sc405-ba 27 1540.557 194.60 negative nx8570sc409-ba 28 1540.953 194.55 positive nx8570sc413-ba 29 1541.349 194.50 negative nx8570sc417-ba 30 1541.746 194.45 positive nx8570sc421-ba 31 1542.142 194.40 negative nx8570sc425-ba 32 1542.539 194.35 positive nx8570sc429-ba 33 1542.936 194.30 negative nx8570sc433-ba 34 1543.333 194.25 positive nx8570sc437-ba 35 1543.730 194.20 negative
t able a: part number for xed wave length product (con't) nx8570 series part number channel itu-t wavelength frequency monitor slope with fc-pc connector (standard) (nm) (thz) nx8570sc445-ba 37 1544.526 194.10 negative nx8570sc449-ba 38 1544.924 194.05 positive nx8570sc453-ba 39 1545.322 194.00 negative nx8570sc457-ba 40 1545.720 193.95 positive nx8570sc461-ba 41 1546.119 193.90 negative nx8570sc465-ba 42 1546.518 193.85 positive nx8570sc469-ba 43 1546.917 193.80 negative nx8570sc473-ba 44 1547.316 193.75 positive nx8570sc477-ba 45 1547.715 193.70 negative nx8570sc481-ba 46 1548.115 193.65 positive nx8570sc485-ba 47 1548.515 193.60 negative nx8570sc489-ba 48 1548.915 193.55 positive nx8570sc493-ba 49 1549.315 193.50 negative nx8570sc497-ba 50 1549.715 193.45 positive nx8570sc501-ba 51 1550.116 193.40 negative nx8570sc505-ba 52 1550.517 193.35 positive nx8570sc509-ba 53 1550.918 193.30 negative nx8570sc513-ba 54 1551.319 193.25 positive nx8570sc517-ba 55 1551.721 193.20 negative nx8570sc521-ba 56 1552.122 193.15 positive nx8570sc525-ba 57 1552.524 193.10 negative nx8570sc529-ba 58 1552.926 193.05 positive nx8570sc533-ba 59 1553.329 193.00 negative nx8570sc537-ba 60 1553.731 192.95 positive nx8570sc541-ba 61 1554.134 192.90 negative nx8570sc545-ba 62 1554.537 192.85 positive nx8570sc549-ba 63 1554.940 192.80 negative nx8570sc553-ba 64 1555.343 192.75 positive nx8570sc557-ba 65 1555.747 192.70 negative nx8570sc561-ba 66 1556.151 192.65 positive nx8570sc565-ba 67 1556.555 192.60 negative nx8570sc569-ba 68 1556.959 192.55 positive nx8570sc573-ba 69 1557.363 192.50 negative nx8570sc577-ba 70 1557.768 192.45 positive nx8570sc581-ba 71 1558.173 192.40 negative nx8570sc585-ba 72 1558.578 192.35 positive nx8570sc589-ba 73 1558.983 192.30 negative nx8570sc593-ba 74 1559.389 192.25 positive nx8570sc597-ba 75 1559.794 192.20 negative nx8570sc602-ba 76 1560.200 192.15 positive nx8570sc606-ba 77 1560.606 192.10 negative nx8570sc610-ba 78 1561.013 192.05 positive nx8570sc614-ba 79 1561.419 192.00 negative nx8570sc618-ba 80 1561.826 191.95 positive nx8570sc622-ba 81 1562.233 191.90 negative nx8570sc626-ba 82 1562.640 191.85 positive nx8570sc630-ba 83 1563.047 191.80 negative nx8570sc634-ba 84 1563.455 191.75 positive nx8570sc638-ba 85 1563.863 191.70 negative
t able a: part number for xed wave length product (con't) nx8570 series t able b: part number for 4 channel tunable product part number itu-t wavelength (nm) frequency (thz) mon i tor slope nx8570sc315d-ba 1530.334 195.90 negative 1530.725 195.85 positive 1531.116 195.80 negative 1531.507 195.75 positive nx8570sc330d-ba 1531.898 195.70 negative 1532.290 195.65 positive 1532.681 195.60 negative 1533.073 195.55 positive nx8570sc346d-ba 1533.465 195.50 negative 1533.858 195.45 positive 1534.250 195.40 negative 1534.643 195.35 positive nx8570sc362d-ba 1535.036 195.30 negative 1535.429 195.25 positive 1535.822 195.20 negative 1536.216 195.15 positive nx8570sc377d-ba 1536.609 195.10 negative 1537.003 195.05 positive 1537.397 195.00 negative 1537.792 194.95 positive nx8570sc393d-ba 1538.186 194.90 negative 1538.581 194.85 positive 1538.976 194.80 negative 1539.371 194.75 positive nx8570sc409d-ba 1539.766 194.70 negative 1540.162 194.65 positive 1540.557 194.60 negative 1540.953 194.55 positive nx8570sc425d-ba 1541.349 194.50 negative 1541.746 194.45 pos i tive 1542.142 194.40 negative 1542.539 194.35 positive nx8570sc441d-ba 1542.936 194.30 negative 1543.333 194.25 positive 1543.730 194.20 negative 1544.128 194.15 positive nx8570sc457d-ba 1544.526 194.10 negative 1544.924 194.05 positive 1545.322 194.00 negative 1545.720 193.95 positive part number w ith fc-pc connector (standard) channel itu-t wavelength (nm) frequency (thz) monitor slope nx8570sc642-ba 86 1564.271 191.65 positive NX8570SC646-BA 87 1564.679 191.60 negative nx8570sc650-ba 88 1565.087 191.55 positive
part number itu-t wavelength (nm) frequency (thz) mon i tor slope nx8570sc473d-ba 1546.119 193.90 negative 1546.518 193.85 positive 1546.917 193.80 negative 1547.316 195.75 positive nx8570sc489d-ba 1547.715 193.70 negative 1548.115 193.65 positive 1548.515 193.60 negative 1548.915 193.55 positive nx8570sc505d-ba 1549.315 193.50 negative 1549.715 193.45 positive 1550.116 193.40 negative 1550.517 193.35 positive nx8570sc521d-ba 1550.918 193.30 negative 1551.319 193.25 positive 1551.721 193.20 negative 1552.122 193.15 positive nx8570sc537d-ba 1552.524 193.10 negative 1552.926 193.05 positive 1553.329 193.00 negative 1553.731 192.95 positive nx8570sc553d-ba 1554.134 192.90 negative 1554.537 192.85 positive 1554.940 192.80 negative 1555.343 192.75 positive nx8570sc569d-ba 1555.747 192.70 negative 1556.151 192.65 positive 1556.555 192.60 negative 1556.959 192.55 positive nx8570sc585d-ba 1557.363 192.50 negative 1557.768 192.45 pos i tive 1558.173 192.40 negative 1558.578 192.35 positive nx8570sc602d-ba 1558.983 192.30 negative 1559.389 192.25 positive 1559.794 192.20 negative 1560.200 192.15 positive nx8570sc618d-ba 1560.606 192.10 negative 1561.013 192.05 positive 1561.419 192.00 negative 1561.826 191.95 positive nx8570sc634d-ba 1562.233 191.90 negative 1562.640 191.85 positive 1563.047 191.80 negative 1563.455 191.75 positive nx8570sc650d-ba 1563.863 191.70 negative 1564.271 191.65 positive 1564.679 191.60 negative t able b: part number for 4 channel tunable product (con't) nx8570 series
t able b: part number for 4 channel tunable product (con't) nx8 57 0 series part number itu-t wavelength *1 (nm) frequency (thz) monitor slope nx8570sc667d-ba 1565.49 191.50 negative 1565.90 191.45 positive 1566.31 191.40 negative 1566.72 191.35 positive nx8570sc683d-ba 1567.13 191.30 negative 1567.54 191.25 positive 1567.95 191.20 negative 1568.36 191.15 positive nx8570sc700d-ba 1568.77 191.10 negative 1569.18 191.05 positive 1569.59 191.00 negative 1570.00 190.95 positive nx8570sc716d-ba 1570.41 190.90 negative 1570.82 190.85 positive 1571.23 190.80 negative 1571.65 190.75 positive nx8570sc733d-ba 1572.06 190.70 negative 1572.47 190.65 positive 1572.88 190.60 negative 1573.30 190.55 positive nx8570sc749d-ba 1573.71 190.50 negative 1574.12 190.45 positive 1574.54 190.40 negative 1574.95 190.35 positive nx8570sc766d-ba 1575.36 190.30 negative 1575.78 190.25 positive 1576.19 190.20 negative 1576.61 190.15 positive nx8570sc782d-ba 1577.02 190.10 negative 1577.44 190.05 positive 1577.85 190.00 negative 1578.27 189.95 positive nx8570sc799d-ba 1578.68 189.90 negative 1579.10 189.85 positive 1579.51 189.80 negative 1579.93 189.75 positive nx8570sc816d-ba 1580.35 189.70 negative 1580.76 189.65 positive 1581.18 189.60 negative 1581.60 189.55 positive nx8570sc832d-ba 1582.01 189.50 negative 1582.43 189.45 positive 1582.85 189.40 negative 1583.27 189.35 positive nx8570sc849d-ba 1583.69 189.30 negative 1584.10 189.25 positive 1584.52 189.20 negative 1584.94 189.15 positive nx8570sc866d-ba 1585.36 189.10 negative 1585.78 189.05 positive 1586.20 189.00 negative 1586.62 188.95 positive nx8570sc883d-ba 1587.04 188.90 negative 1587.46 188.85 positive 1587.88 188.80 negative 1588.30 188.75 positive
t able b: part number for 4 channel tunable product (con't) nx8570 series part number itu-t wavelength *1 (nm) frequency (thz) monitor slope nx8570sc899d-ba 1588.72 188.70 negative 1589.14 188.65 positive 1589.56 188.60 negative 1589.98 188.55 positive nx8570sc916d-ba 1590.41 188.50 negative 1590.83 188.45 positive 1591.25 188.40 negative 1591.67 188.35 positive nx8570sc933d-ba 1592.10 188.30 negative 1592.52 188.25 positive 1592.94 188.20 negative 1593.36 188.15 positive nx8570sc950d-ba 1593.79 188.10 negative 1594.21 188.05 positive 1594.64 188.00 negative 1595.06 187.95 positive nx8570sc967d-ba 1595.48 187.90 negative 1595.91 187.85 positive 1596.33 187.80 negative 1596.76 187.75 positive nx8570sc984d-ba 1597.18 187.70 negative 1597.61 187.65 positive 1598.04 187.60 negative 1598.46 187.55 positive nx8570sc6001d-ba 1598.89 187.50 negative 1599.32 187.45 positive 1599.74 187.40 negative 1600.17 187.35 positive nx8570sc6018d-ba 1600.60 187.30 negative 1601.02 187.25 positive 1601.45 187.20 negative 1601.88 187.15 positive nx8570sc6035d-ba 1602.31 187.10 negative 1602.74 187.05 positive 1603.16 187.00 negative 1603.59 186.95 positive nx8570sc6053d-ba 1604.02 186.90 negative 1604.45 186.85 positive 1604.88 186.80 negative 1605.31 186.75 positive nx8570sc6070d-ba 1605.74 186.70 negative 1606.17 186.65 positive 1606.60 186.60 negative 1607.03 186.55 positive nx8570sc6087d-ba 1607.46 186.50 negative 1607.89 186.45 positive 1608.32 186.40 negative 1608.76 186.35 positive
part number itu-t wavelength (nm) frequency (thz) monitor slope nx8570sc330q-ba 1530.33 195.90 negative 1530.72 195.85 positive 1531.11 195.80 negative 1531.50 195.75 negative 1531.89 195.70 negative 1532.29 195.65 positive 1532.68 195.60 negative 1533.07 195.55 positive nx8570sc362q -ba 1533.46 195.50 negative 1533.85 195.45 positive 1534.25 195.40 negative 1534.64 195.35 positive 1535.03 195.30 negative 1535.42 195.25 positive 1535.82 195.20 negative 1536.21 195.15 positive nx8570sc393q-ba 1536.60 195.05 negative 1537.00 195.00 positive 1537.39 195.00 negative 1537.79 194.95 positive 1538.18 194.90 negative 1538.58 194.85 positive 1538.97 194.80 negative 1539.37 194.75 positive nx8570425q-ba 1539.76 194.70 negative 1540.16 194.65 positive 1540.55 194.60 negative 1540.95 194.55 positive 1541.34 194.50 negative 1541.74 194.45 positive 1542.14 194.40 negative 1542.53 194.35 positive nx8570457q-ba 1542.93 194.30 negative 1543.33 194.25 positive 1543.73 194.20 negative 1544.12 194.15 positive 1544.52 194.10 negative 1544.92 194.05 positive 1544.32 194.00 negative 1545.72 193.95 positive nx8570489q-ba 1546.11 193.90 negative 1546.51 193.85 positive 1546.91 193.80 negative 1547.31 193.75 positive 1547.71 193.70 negative 1548.11 193.65 positive 1548.51 193.60 negative 1548.91 193.55 positive nx8570521q-ba 1549.31 193.50 negative 1549.71 193.45 positive 1550.11 193.40 negative 1550.51 193.35 positive 1550.91 193.30 negative 1551.31 193.25 positive 1551.72 193.20 negative 1552.12 193.15 positive t able c: part number for 8 channel tunable product (tld = tset) nx8570 series
part number itu-t wavelength (nm) frequency (thz) monitor slope nx8570sc553q-ba 1552.52 193.10 negative 1552.92 193.05 positive 1553.32 193.00 negative 1553.73 192.95 positive 1554.13 192.90 negative 1554.53 192.85 positive 1554.94 192.80 negative 1555.34 195.75 positive nx8570sc585q-ba 1555.74 192.70 negative 1556.15 192.65 positive 1556.55 192.60 negative 1556.95 192.55 positive 1557.36 192.50 negative 1557.76 192.45 positive 1558.17 192.40 negative 1558.57 192.35 positive nx8570sc618q-ba 1558.98 192.30 negative 1559.38 192.25 positive 1559.79 192.20 negative 1560.20 192.15 positive 1560.60 192.10 negative 1561.01 192.05 positive 1561.41 192.00 negative 1561.82 191.95 positive nx8570sc650q-ba 1562.23 191.90 negative 1562.64 191.85 positive 1563.04 191.80 negative 1563.45 191.75 positive 1563.86 191.70 negative 1564.27 191.65 positive 1564.67 191.60 negative 1565.08 191.55 positive nx8570sc683q-ba 1565.49 191.50 negative 1565.90 191.45 positive 1566.31 191.40 negative 1566.72 191.35 positive 1567.13 191.30 negative 1567.54 191.25 positive 1567.95 191.20 negative 1568.36 191.15 positive nx8570sc716q-ba 1568.77 191.10 negative 1569.18 191.05 positive 1569.59 191.00 negative 1570.00 190.95 positive 1570.41 190.90 negative 1570.82 190.85 positive 1571.23 190.80 negative 1571.65 190.75 positive nx8570sc749q-ba 1572.06 190.70 negative 1572.47 190.65 positive 1572.88 190.60 negative 1573.30 190.55 positive 1573.71 190.50 negative 1574.12 190.45 positive 1574.54 190.40 negative 1574.95 190.35 positive t able c: part number for 8 channel tunable product (tld = tset) (cont.) nx8570 series
part number itu-t wavelength (nm) frequency (thz) monitor slope nx8570sc782q-ba 1575.36 190.30 negative 1575.78 190.25 positive 1576.19 190.20 negative 1576.61 190.15 positive 1577.02 190.10 negative 1577.44 190.05 positive 1577.85 190.00 negative 1578.27 189.95 positive nx8570sc816q-ba 1578.68 189.90 negative 1579.10 189.85 positive 1579.51 189.80 negative 1579.93 189.75 positive 1580.35 189.70 negative 1580.76 189.65 positive 1581.18 189.60 negative 1581.60 189.55 positive nx8570sc849q-ba 1582.01 189.50 negative 1582.43 189.45 positive 1582.85 189.40 negative 1583.27 189.35 positive 1583.69 189.30 negative 1584.10 189.25 positive 1584.52 189.20 negative 1584.94 189.15 positive nx8570sc883q-ba 1585.36 189.10 negative 1585.78 189.05 positive 1586.20 189.00 negative 1586.62 188.95 positive 1587.04 188.90 negative 1587.46 188.85 positive 1587.88 188.80 negative 1588.30 188.75 positive nx8570sc916q-ba 1588.72 188.70 negative 1589.14 188.65 positive 1589.56 188.60 negative 1589.98 188.55 positive 1590.41 188.50 negative 1590.83 188.45 positive 1591.25 188.40 negative 1591.67 188.35 positive nx8570sc950q-ba 1592.10 188.30 negative 1592.52 188.25 positive 1592.94 188.20 negative 1593.36 188.15 positive 1593.79 188.10 negative 1594.21 188.05 positive 1594.64 188.00 negative 1595.06 187.95 positive nx8570sc984q-ba 1595.48 187.90 negative 1595.91 187.85 positive 1596.33 187.80 negative 1596.76 187.75 positive 1597.18 187.70 negative 1597.61 187.65 positive 1598.04 187.60 negative 1598.46 187.55 positive t able c: part number for 8 channel tunable product (tld = tset) (cont.) nx8570 series
part number itu-t wavelength (nm) frequency (thz) monitor slope nx8570sc6018q-ba 1598.89 187.50 negative 1599.32 187.45 positive 1599.74 187.40 negative 1600.17 187.35 positive 1600.60 187.30 negative 1601.02 187.25 positive 1601.45 187.20 negative 1601.88 187.15 positive nx8570sc6053q-ba 1602.31 187.10 negative 1602.74 187.05 positive 1603.16 187.00 negative 1603.59 186.95 positive 1604.02 186.90 negative 1604.45 186.85 positive 1604.88 186.80 negative 1605.31 186.75 positive nx8570sc6087q-ba 1605.74 186.70 negative 1606.17 186.65 positive 1606.60 186.60 negative 1607.03 186.55 positive 1607.46 186.50 negative 1607.89 186.45 positive 1608.32 186.40 negative 1608.76 186.35 positive t able c: part number for 8 channel tunable product (tld = tset) (cont.) nx8570 series
typical performance curves (t ld = 25c, unless otherwise speci t ed) 0 -10 -20 -30 -40 -50 -60 -70 -80 1529.1 1534.1 1539.1 1544.1 1549.1 30.0 25.0 20.0 15.0 10.0 5.0 0 050100 150 200 0.30 0.25 0.20 0.15 0.10 0.05 0 p f i m (p f ) 50 30 20 10 5 3 2 1 0 25 75 50 relative intensity (db) spectrum w avelength, (nm) optical output power from fiber and monitor current (pf monitor) vs. forward current forward current, i f (ma) optical output power from fiber, p f (mw) ambient temperature, t a (c) thermistor resistance, r (k ? ) thermistor resistance vs. ambient tem- perature monitor current (p f monitor) i m (p f ) (ma) remark : the graphs indicate nominal characteristics. tc = 70? 15 10 20 25 30 35 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 laser set temperature, tset (c) cooler electric power consumption (w) cooler electric power consumption vs. laser set temperature nx8570 series
nx8570 series outline dimensions (units in mm) fiber length: 1000 mm min pmf fc - pc connector life support applications these nec products are not intended for use in life support devices, appliances, or systems where the malfunction of these prod ucts can reasonably be expected to result in personal injury. the customers of cel using or selling these products for use in such applications do so at their own risk and agree to fully indemnify cel for all damages resulting from such improper use or sale. optical fiber characteristics (units in mm) p arameters specifications outer diameter 0.90.1 minimum fiber bending radius 25 fiber length 1000 min 08/25/2003 nx8570sc top view #8 #14 #7 #1 ld pd ( p ) + ? pd (p f ) cooler thermistor pin connections pin no. pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 function function thermistor thermistor ld cathode pd (p f ) anode pd cathode cooler anode cooler cathode gnd gnd pd ( p ) anode ld anode ld cathode ld anode nc 29.970.25 8.20.2 5.4 5.15 0.3 1.0 optical fiber (pmf) length: 1 000 min. 20.830.25 26.040.25 7 8 1 14 8.890.13 10 min. 15.24 21.80.3 1.0 0.8 12.70.2 1.25 2.54 0.5 4? 2.67 5.0 0.9 6.00.2

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