630-0.4 OD4 Ultra Narrow Bandpass Filter
630-0.4 OD4 Ultra Narrow Bandpass Filter
- Specifications
- Description
Specifications
Additional information
| Angle of Incidence | 0 Degrees |
|---|---|
| Filter Design | Multi-Cavity |
| FWHM | < 0.5 nm |
| Center Wavelength | 630 nm Nominal |
| † Transmission Band(s) | 630 nm > 85% T Absolute |
| Blocking Level | OD4 |
| * Blocking Range(s) | OD4: 300 to 617 nm, 643 to 1200 nm |
| Dimensions | 50.0 mm Diameter |
| Substrate Type | N-BK7 |
| 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 630 nm center wavelength (CWL), a 0.4 nm full-width at half-maximum (FWHM), and wide-range OD4 out-of-band blocking from 300 nm to 1200 nm. This is a multi-cavity filter with transmission that is greater than 85% at 630 nm. This ultra-narrowband filter is coated on a 2 mm thick N-BK7 substrate and mounted in a 50 mm (+0/-0.1 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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