490SP Prefilter
490SP Prefilter
Spectral Curves
The spectral curve and ascii data is a typical representation of this filter’s performance, but will vary due to production and design variations. Omega only guarantees this part to meet the product specifications listed. The displayed OD is calculated from a %T measurement. The blocking regions are likely higher OD than what is displayed here. To learn more about the challenges of measuring high OD values, see our paper.
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Detailed Specifications
| Transmission |
≥ 90% avg over transmission range of associated 3M filter
|
| Blocking |
≥ OD3 avg, OD2 min from 1.12 x cut-off to 700nm
|
| Transmitted Wavefront Distortion |
ns
|
| Angle of Incidence |
0
|
| Minimum Surface Quality |
Assembly per MIL-C-48497A (F scratch/ F Dig)
|
| Coating Type |
Surface Coating
|
| Filter Type |
Shortpass
|
| Filter Application |
Shortpass
|
| Half-cone AOI |
0
|
| Fluorescence Component |
Shortpass
|
| Flatness |
ns
|
| Parallelism |
ns
|
| Cut-off Wavelength (nm) |
490.00
|
| Cut-off Wavelength Tolerance |
+6/-6
|