490SP
SKU: W201
490SP
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490SP
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 from 375nm to (0.99 x cut-off)
|
| Blocking |
≥ OD3 505nm to 780nm ≥ OD4 508nm to 765nm
|
| 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
|
| Fluorescence Component |
Shortpass
|
| Flatness |
ns
|
| Parallelism |
ns
|
| Cut-off Wavelength (nm) |
490.00
|
| Cut-off Wavelength Tolerance |
+0/-10
|