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589-1 OD4 Ultra Narrow Bandpass Filter
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Discover how Alluxa filters are moving technology forward:
589-1 OD4 Ultra Narrow Bandpass Filter
- Specifications
- Description
Specifications
Additional information
| Angle of Incidence | 0 Degrees |
|---|---|
| Center Wavelength | 589 nm Nominal |
| FWHM | < 1.2 nm |
| † Transmission Band(s) | 589 nm > 90% T Absolute |
| Blocking Level | OD4 |
| * Blocking Range(s) | OD4: 400 to 576 nm, 603 to 1000 nm |
| Dimensions | 25.3 mm Diameter |
| Filter Thickness | 3.3 mm |
| Substrate Type | Polished Borofloat® |
| Assembly Type | Anodized Aluminum Ring |
| Assembly Thickness | 5.0 mm |
*Auxiliary blocking typical based on the displayed spectrum.
†For filters with less than 1nm bandwidth, measurement limitations may result in slight transmission variation. Please contact us for more information.
Description
Description
Ultra-narrowband optical interference filter with a 589 nm center wavelength (CWL), a 1 nm full-width at half-maximum (FWHM), and wide-range OD4 out-of-band blocking from 400 nm to 1000 nm. This is a multi-cavity filter with steep edges, a flat top, and transmission that is greater than 90% at 589 nm. This ultra-narrowband filter is coated on a 3.3 mm thick polished Borofloat® substrate and mounted in a 25.4 mm (+0/-0.2 mm) diameter, 5 mm (± 0.1 mm) thick anodized aluminum ring. Alluxa ultra-narrow bandpass filters have the highest transmission and narrowest bandwidths currently available. And because they are hard-coated using our innovative SIRRUS plasma deposition process, all Alluxa optical filters are highly durable and resistant to laser damage. Contact us for custom sizing options.
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