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A
A P P E N D I X
Wavelength to Frequency Conversion
By convention, wavelength is defined as if the light were traveling in a vacuum.
Light travels about 66% of this speed in a telecom fiber, so the wavelength in the
fiber is approximately 1/3 shorter than the values shown. (f=c/
Table A.3 Wavelength to Frequency
THz
185.00
185.10
185.20
185.30
185.40
185.50
185.60
185.70
185.80
185.90
186.00
186.10
186.20
186.30
186.40
186.50
186.60
186.70
186.80
186.90
187.00
187.10
187.20
187.30
187.40
187.50
187.60
187.70
187.80
187.90
188.00
188.10
188.20
188.30
188.40
188.50
188.60
188.70
188.80
188.90
189.00
189.10
189.20
189.30
189.40
189.50
189.60
189.70
189.80
189.90
78
FPM-8200
nm
1620.500
1619.624
1618.750
1617.876
1617.004
1616.132
1615.261
1614.391
1613.522
1612.654
1611.787
1610.921
1610.056
1609.192
1608.329
1607.466
1606.605
1605.744
1604.885
1604.026
1603.168
1602.311
1601.455
1600.600
1599.746
1598.893
1598.041
1597.189
1596.339
1595.489
1594.641
1593.793
1592.946
1592.100
1591.255
1590.411
1589.568
1588.725
1587.884
1587.043
1586.203
1585.365
1584.527
1583.690
1582.854
1582.018
1581.184
1580.350
1579.518
1578.686
12
THz=terahertz=10
THz
nm
190.00
1577.855
190.10
1577.025
190.20
1576.196
190.30
1575.368
190.40
1574.540
190.50
1573.714
190.60
1572.888
190.70
1572.063
190.80
1571.239
190.90
1570.416
191.00
1569.594
191.10
1568.773
191.20
1567.952
191.30
1567.133
191.40
1566.314
191.50
1565.496
191.60
1564.679
191.70
1563.863
191.80
1563.047
191.90
1562.233
192.00
1561.419
192.10
1560.606
192.20
1559.794
192.30
1558.983
192.40
1558.173
192.50
1557.363
192.60
1556.555
192.70
1555.747
192.80
1554.940
192.90
1554.134
193.00
1553.329
193.10
1552.524
193.20
1551.721
193.30
1550.918
193.40
1550.116
193.50
1549.315
193.60
1548.515
193.70
1547.715
193.80
1546.917
193.90
1546.119
194.00
1545.322
194.10
1544.526
194.20
1543.730
194.30
1542.936
194.40
1542.142
194.50
1541.349
194.60
1540.557
194.70
1539.766
194.80
1538.976
194.90
1538.186
−9
nm=nanometer=10
)
THz
nm
195.00
1537.397
195.10
1536.609
195.20
1535.822
195.30
1535.036
195.40
1534.250
195.50
1533.465
195.60
1532.681
195.70
1531.898
195.80
1531.116
195.90
1530.334
196.00
1529.553
196.10
1528.773
196.20
1527.994
196.30
1527.216
196.40
1526.438
196.50
1525.661
196.60
1524.885
196.70
1524.110
196.80
1523.336
196.90
1522.562
197.00
1521.789
197.10
1521.017
197.20
1520.246
197.30
1519.475
197.40
1518.705
197.50
1517.936
197.60
1517.168
197.70
1516.401
197.80
1515.634
197.90
1514.868
198.00
1514.103
198.10
1513.339
198.20
1512.575
198.30
1511.813
198.40
1511.051
198.50
1510.289
198.60
1509.529
198.70
1508.769
198.80
1508.010
198.90
1507.252
199.00
1506.495
199.10
1505.738
199.20
1504.982
199.30
1504.227
199.40
1503.473
199.50
1502.719
199.60
1501.966
199.70
1501.214
199.80
1500.463
199.90
1499.712
c=299,792,458 meters/sec
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