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1571.91-1.2 OD5 Ultra Narrow Bandpass Filter
1571.91-1.2 OD5 Ultra Narrow Bandpass Filter
- Specifications
- Description
Specifications
Additional information
| Angle of Incidence | 0 Degrees |
|---|---|
| Filter Design | Multi-Cavity |
| Center Wavelength | 1571.91 nm Nominal |
| FWHM | < 1.5 nm |
| † Transmission Band(s) | 1571.91 nm > 90% T Absolute |
| Blocking Level | OD5 |
| * Blocking Range(s) | OD5: 1604 to 2100 nm, 800 to 1540 nm |
| Dimensions | 49.9 mm Diameter |
| Filter Thickness | 2.0 mm |
| Substrate Type | Polished Borofloat® |
| Assembly Type | Unmounted |
*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 1571.91 nm center wavelength (CWL), a 1.2 nm full-width at half-maximum (FWHM), and wide-range OD5 out-of-band blocking from 800 nm to 2100 nm. This is a multi-cavity filter with transmission that is greater than 90% at 1571.91 nm. This unmounted ultra-narrowband filter is coated on a 2 mm thick polished Borofloat® substrate and is 50 mm (+0/-0.2 mm) in diameter. 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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