Technical Support


DWDM ITU Grid Specification

#
S-Band
C-Band
L-Band
100 GHz Grid
50 GHz Offset
100 GHz Grid
50 GHz Offset
100 GHz Grid
50 GHz Offset
nm
THz
nm
THz
nm
THz
nm
THz
nm
THz
nm
THz
1
1490.76
201.10
1491.13
201.05
1528.77
196.10
1529.16
196.05
1568.77
191.10
1569.18
191.05
2
1491.50
201.00
1491.88
200.95
1529.55
196.00
1529.94
195.95
1569.59
191.00
1570.01
190.95
3
1492.25
200.90
1492.62
200.85
1530.33
195.90
1530.72
195.85
1570.42
190.90
1570.83
190.85
4
1492.99
200.80
1493.36
200.75
1531.12
195.80
1531.51
195.75
1571.24
190.80
1571.65
190.75
5
1493.73
200.70
1494.11
200.65
1531.90
195.70
1532.29
195.65
1572.06
190.70
1572.48
190.65
6
1494.48
200.60
1494.85
200.55
1532.68
195.60
1533.07
195.55
1572.89
190.60
1573.30
190.55
7
1495.22
200.50
1495.60
200.45
1533.47
195.50
1533.86
195.45
1573.71
190.50
1574.13
190.45
8
1495.97
200.40
1496.34
200.35
1534.25
195.40
1534.64
195.35
1574.54
190.40
1574.95
190.35
9
1496.72
200.30
1497.09
200.25
1535.04
195.30
1535.43
195.25
1575.37
190.30
1575.78
190.25
10
1497.46
200.20
1497.84
200.15
1535.82
195.20
1536.22
195.15
1576.20
190.20
1576.61
190.15
11
1498.21
200.10
1498.59
200.05
1536.61
195.10
1537.00
195.05
1577.03
190.10
1577.44
190.05
12
1498.96
200.00
1499.34
199.95
1537.40
195.00
1537.79
194.95
1577.86
190.00
1578.27
189.95
13
1499.71
199.90
1500.09
199.85
1538.19
194.90
1538.58
194.85
1578.69
189.90
1579.10
189.85
14
1500.46
199.80
1500.84
199.75
1538.98
194.80
1539.37
194.75
1579.52
189.80
1579.93
189.75
15
1501.21
199.70
1501.59
199.65
1539.77
194.70
1540.16
194.65
1580.35
189.70
1580.77
189.65
16
1501.97
199.60
1502.34
199.55
1540.56
194.60
1540.95
194.55
1581.18
189.60
1581.60
189.55
17
1502.72
199.50
1503.10
199.45
1541.35
194.50
1541.75
194.45
1582.02
189.50
1582.44
189.45
18
1503.47
199.40
1503.85
199.35
1542.14
194.40
1542.54
194.35
1582.85
189.40
1583.27
189.35
19
1504.23
199.30
1504.60
199.25
1542.94
194.30
1543.33
194.25
1583.69
189.30
1584.11
189.25
20
1504.98
199.20
1505.36
199.15
1543.73
194.20
1544.13
194.15
1584.53
189.20
1584.95
189.15
21
1505.74
199.10
1506.12
199.05
1544.53
194.10
1544.92
194.05
1585.36
189.10
1585.78
189.05
22
1506.49
199.00
1506.87
198.95
1545.32
194.00
1545.72
193.95
1586.20
189.00
1586.62
188.95
23
1507.25
198.90
1507.63
198.85
1546.12
193.90
1546.52
193.85
1587.04
188.90
1587.46
188.85
24
1508.01
198.80
1508.39
198.75
1546.92
193.80
1547.32
193.75
1587.88
188.80
1588.30
188.75
25
1508.77
198.70
1509.15
198.65
1547.72
193.70
1548.11
193.65
1588.73
188.70
1589.15
188.65
26
1509.53
198.60
1509.91
198.55
1548.51
193.60
1548.91
193.55
1589.57
188.60
1589.99
188.55
27
1510.29
198.50
1510.67
198.45
1549.32
193.50
1549.72
193.45
1590.41
188.50
1590.83
188.45
28
1511.05
198.40
1511.43
198.35
1550.12
193.40
1550.52
193.35
1591.26
188.40
1591.68
188.35
29
1511.81
198.30
1512.19
198.25
1550.92
193.30
1551.32
193.25
1592.10
188.30
1592.52
188.25
30
1512.58
198.20
1512.96
198.15
1551.72
193.20
1552.12
193.15
1592.95
188.20
1593.37
188.15
31
1513.34
198.10
1513.72
198.05
1552.52
193.10
1552.93
193.05
1593.79
188.10
1594.22
188.05
32
1514.10
198.00
1514.49
197.95
1553.33
193.00
1553.73
192.95
1594.64
188.00
1595.06
187.95
33
1514.87
197.90
1515.25
197.85
1554.13
192.90
1554.54
192.85
1595.49
187.90
1595.91
187.85
34
1515.63
197.80
1516.02
197.75
1554.94
192.80
1555.34
192.75
1596.34
187.80
1596.76
187.75
35
1516.40
197.70
1516.78
197.65
1555.75
192.70
1556.15
192.65
1597.19
187.70
1597.62
187.65
36
1517.17
197.60
1517.55
197.55
1556.55
192.60
1556.96
192.55
1598.04
187.60
1598.47
187.55
37
1517.94
197.50
1518.32
197.45
1557.36
192.50
1557.77
192.45
1598.89
187.50
1599.32
187.45
38
1518.71
197.40
1519.09
197.35
1558.17
192.40
1558.58
192.35
1599.75
187.40
1600.17
187.35
39
1519.48
197.30
1519.86
197.25
1558.98
192.30
1559.39
192.25
1600.60
187.30
1601.03
187.25
40
1520.25
197.20
1520.63
197.15
1559.79
192.20
1560.20
192.15
1601.46
187.20
1601.88
187.15
41
1521.02
197.10
1521.40
197.05
1560.61
192.10
1561.01
192.05
1602.31
187.10
1602.74
187.05
42
1521.79
197.00
1522.18
196.95
1561.42
192.00
1561.83
191.95
1603.17
187.00
1603.60
186.95
43
1522.56
196.90
1522.95
196.85
1562.23
191.90
1562.64
191.85
1604.03
186.90
1604.46
186.85
44
1523.34
196.80
1523.72
196.75
1563.05
191.80
1563.45
191.75
1604.88
186.80
1605.31
186.75
45
1524.11
196.70
1524.50
196.65
1563.86
191.70
1564.27
191.65
1605.74
186.70
1606.17
186.65
46
1524.89
196.60
1525.27
196.55
1564.68
191.60
1565.09
191.55
1606.60
186.60
1607.04
186.55
47
1525.66
196.50
1526.05
196.45
1565.50
191.50
1565.90
191.45
1607.47
186.50
1607.90
186.45
48
1526.44
196.40
1526.83
196.35
1566.31
191.40
1566.72
191.35
1608.33
186.40
1608.76
186.35
49
1527.22
196.30
1527.60
196.25
1567.13
191.30
1567.54
191.25
1609.19
186.30
1609.62
186.25
50
1527.99
196.20
1528.38
196.15
1567.95
191.20
1568.36
191.15
1610.06
186.20
1610.49
186.15

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