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308-0.5 OD4 Ultra Narrow Bandpass Filter
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Discover how Alluxa filters are moving technology forward:
308-0.5 OD4 Ultra Narrow Bandpass Filter
- Specifications
- Description
Specifications
Additional information
| Angle of Incidence | 0 Degrees |
|---|---|
| Filter Design | Multi-Cavity |
| FWHM | < 0.7 nm |
| Center Wavelength | 308 nm Nominal |
| † Transmission Band(s) | 308 nm > 65% T Absolute |
| Blocking Level | OD4 |
| * Blocking Range(s) | OD4: 200 to 301 nm, 315 to 500 nm |
| Dimensions | 25.3 mm Diameter |
| Substrate Type | Fused Silica |
| Filter Thickness | 2.0 mm |
| 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 308 nm center wavelength (CWL), a 0.5 nm full-width at half-maximum (FWHM), and OD4 out-of-band blocking from 200 nm to 500 nm. This is a multi-cavity filter with transmission that is greater than 65% at 308 nm. This ultra-narrowband filter is coated on a 2 mm thick fused silica 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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