| Number of subintervals | Optimal joint band |
| 17 | 1900 nm - 1998 nm, 2100 nm - 2198 nm, 2400 nm - 2498 nm |
| 19 | 1600 nm - 1688 nm, 1870 nm - 1958 nm, 2140 nm - 2228 nm |
| 20 | 952 nm - 1036 nm, 1296 nm - 1380 nm, 1640 nm - 1724 nm |
| 22 | 1018 nm - 1094 nm, 1096 nm - 1172 nm, 1330 nm - 1406 nm |
| 26 | 1312 nm - 1376 nm, 1642 nm - 1706 nm, 1906 nm - 1970 nm |