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665.85-1 OD6 Ultra Narrow Bandpass Filter
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Discover how Alluxa filters are moving technology forward:
665.85-1 OD6 Ultra Narrow Bandpass Filter
- Specifications
- Description
Specifications
Additional information
| Angle of Incidence | 0 Degrees |
|---|---|
| Filter Design | Multi-Cavity |
| FWHM | < 1.2 nm |
| Center Wavelength | 665.85 nm Nominal |
| † Transmission Band(s) | 665.85 nm > 90% T Absolute |
| Blocking Level | OD6 |
| * Blocking Range(s) | OD6: 550 to 657 nm, 674 to 850 nm; OD5: 500 to 550 nm, 850 to 900 nm; OD4: 375 to 500 nm, 900 to 950 nm; OD3: 950 to 1000 nm |
| Dimensions | 50.4 mm Diameter |
| Substrate Type | Borofloat® |
| Filter Thickness | 2.0 mm |
| Assembly Type | Anodized Aluminum Ring |
| Assembly Thickness | 3.5 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 665.85 nm center wavelength (CWL), a 1 nm full-width at half-maximum (FWHM), and wide-range out-of-band blocking from 375 nm to 1100 nm. This is a multi-cavity filter with steep edges, a flat top, and transmission that is greater than 90% at 665.85 nm. This ultra-narrowband filter is coated on a 2 mm thick Borofloat® substrate and mounted in a 50.8 mm (+0/-0.8 mm) diameter, 3.5 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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