Target attenuation for the first erbium fiber gain curve (n2 0.70), positive dB = loss
Wavelength (nm)	Attenuation (dB)
1528.0	3.478
1528.2	3.678
1528.4	3.868
1528.6	4.047
1528.8	4.216
1529.0	4.373
1529.2	4.519
1529.4	4.654
1529.6	4.777
1529.8	4.888
1530.0	4.987
1530.2	5.073
1530.4	5.147
1530.6	5.207
1530.8	5.253
1531.0	5.285
1531.2	5.304
1531.4	5.308
1531.6	5.297
1531.8	5.271
1532.0	5.231
1532.2	5.176
1532.4	5.106
1532.6	5.022
1532.8	4.923
1533.0	4.811
1533.2	4.686
1533.4	4.548
1533.6	4.399
1533.8	4.239
1534.0	4.071
1534.2	3.894
1534.4	3.712
1534.6	3.525
1534.8	3.335
1535.0	3.145
1535.2	2.955
1535.4	2.768
1535.6	2.586
1535.8	2.409
1536.0	2.239
1536.2	2.078
1536.4	1.926
1536.6	1.785
1536.8	1.655
1537.0	1.537
1537.2	1.432
1537.4	1.339
1537.6	1.259
1537.8	1.192
1538.0	1.137
1538.2	1.093
1538.4	1.060
1538.6	1.038
1538.8	1.025
1539.0	1.021
1539.2	1.025
1539.4	1.036
1539.6	1.054
1539.8	1.078
1540.0	1.106
1540.2	1.139
1540.4	1.176
1540.6	1.215
1540.8	1.256
1541.0	1.299
1541.2	1.343
1541.4	1.387
1541.6	1.431
1541.8	1.474
1542.0	1.516
1542.2	1.556
1542.4	1.594
1542.6	1.631
1542.8	1.666
1543.0	1.698
1543.2	1.727
1543.4	1.755
1543.6	1.779
1543.8	1.801
1544.0	1.821
1544.2	1.837
1544.4	1.851
1544.6	1.863
1544.8	1.872
1545.0	1.879
1545.2	1.884
1545.4	1.887
1545.6	1.889
1545.8	1.889
1546.0	1.887
1546.2	1.885
1546.4	1.882
1546.6	1.878
1546.8	1.873
1547.0	1.867
1547.2	1.861
1547.4	1.854
1547.6	1.847
1547.8	1.840
1548.0	1.832
1548.2	1.825
1548.4	1.817
1548.6	1.810
1548.8	1.804
1549.0	1.798
1549.2	1.793
1549.4	1.788
1549.6	1.784
1549.8	1.780
1550.0	1.777
1550.2	1.774
1550.4	1.771
1550.6	1.769
1550.8	1.768
1551.0	1.767
1551.2	1.767
1551.4	1.768
1551.6	1.770
1551.8	1.773
1552.0	1.777
1552.2	1.782
1552.4	1.788
1552.6	1.793
1552.8	1.800
1553.0	1.806
1553.2	1.812
1553.4	1.819
1553.6	1.825
1553.8	1.831
1554.0	1.837
1554.2	1.843
1554.4	1.848
1554.6	1.853
1554.8	1.858
1555.0	1.862
1555.2	1.865
1555.4	1.867
1555.6	1.868
1555.8	1.866
1556.0	1.863
1556.2	1.858
1556.4	1.851
1556.6	1.842
1556.8	1.830
1557.0	1.816
1557.2	1.799
1557.4	1.781
1557.6	1.759
1557.8	1.735
1558.0	1.708
1558.2	1.678
1558.4	1.645
1558.6	1.609
1558.8	1.570
1559.0	1.528
1559.2	1.484
1559.4	1.436
1559.6	1.386
1559.8	1.332
1560.0	1.276
1560.2	1.216
1560.4	1.153
1560.6	1.086
1560.8	1.015
1561.0	0.940
1561.2	0.860
1561.4	0.777
1561.6	0.690
1561.8	0.600
1562.0	0.506
1562.2	0.410
1562.4	0.312
1562.6	0.210
1562.8	0.106
1563.0	0.000