RARE-EARTH DOPED CALIBRATION FILTER GLASS



Filter
Nominal Thickness
(mm)
Thickness
Variation
(mm)
Thermal Expansion
( * E-7 °C-1)
Internal Transmittance (nm)
3131
2.25
+/- 0.25
100
0.27 ± 0.11 (279)
0.087 ± 0.045 (460)
5121
5.2
+/- 0.30
104
> 0.80 (552)
< 0.004 (580)

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