Name | Copper tube | Aluminum tube | Copper sheet | Aluminum sheet | Epoxy glue | PMMA |
---|---|---|---|---|---|---|
Center wavelength (before packaging) | 1560.022 | 1560.241 | 1559.688 | 1559.955 | 1560.319 | 1560.168 |
Center wavelength (after packaging) | 1559.885 | 1560.122 | 1559.587 | 1559.129 | 1559.926 | 1559.742 |
Wavelength drift (nm) | 0.137 | 0.119 | 0.101 | 0.826 | 0.393 | 0.426 |