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 Sets
of LWP and SWP filters offer wavelength coverage over the 400nm
to 1000nm spectrum. These filters are quite diverse, and are
used in any application requiring the re-direction of a particular
band of light. A few such applications are: as trim filters to
remove unwanted sideband radiation, color enhancement for maximum
contrast in color applications, color combining for photographic
use, and as order sorting filters in photometry. |
| General Specifications | |
|---|---|
| Size Tolerance: | +0.0mm/-0.5mm |
| Thickness: | 4.0mm max. |
| Minimum Clear Aperture: | 95% of O.D. |
| Substrate Material: | Glass |
| Flatness: | 3 to 5 wave per 25mm |
| Parallelism: | 3 Arc minutes or better |
| Surface Quality: | 80/50 Per MIL-O-13830B |
| Coating Quality: | 40/20 Per MIL-O-13830B |
| Humidity and Abrasion: | Per MIL-STD-810C |
| Operating Temperature: | -50°C to +100°C |
| Cut-on and cut-off slopes: | 6% Maximum |
| Cut-on and cut-off tolerance: | ±10nm |
| Mechanical: | Not mounted in metal holders |
| Transmission/Rejection | Please refer to Andover Edge Filters for more exacting specifications. |
| Effective Index of Refraction (n*) | 1.7 approximately |
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