3-5µm Bandpass Filter On Silicon
Stock 3-5µm Bandpass Filter On Silicon
Part Number: BPF-3.0-5.0-25-Si
25 mm diameter.
£150.00 (Free Shipping)
- Stock 3-5 µm bandpass Filters “on the shelf” for next day shipping, 25 mm diameter x 0.5 mm thick.
- Vortex’s trademark RockArd© deposition technology makes our filters highly durable and suitable for the toughest environments.
- All of our filters exhibit high angular tolerance, extremely low change with temperature and very high resistance to thermal shock.
Custom Quote
For large volumes and specific enquiries please contact us.
Email: enquiries@vortexopticalcoatings.co.uk
Call: +44 (0) 1455 613029

Optical Specification
Transmission | >90% ave 3-5 µm band |
Blocking Range | UV, Visible-2.8µm- 5.3-7.5µm |
Angle Of Incidence | 0° |
Substrate | 25 mm Diameter, 0.5 mm Thick |
Surface Quality | Less than 60-40 Scratch-Dig |
Environmental Specification
Adhesion | MIL-C-48497A | Para 4.5.3.1 |
Humidity | MIL-C-48497A | Para 4.5.3.2 |
Mild Abraision | MIL-C-48497A | Para 4.5.3.3 |
Severe Abrasion | MIL-C-48497A | Para 4.5.5.1 |
Cleanability | MIL-C-48497A | Para 4.5.4.2 |
Water Solubility | MIL-C-48497A | Para 4.5.5.3 |
Spectral Performance

Suitable Detectors
These Filters are suitable to be used in Lead Selenide (PbSe), Mercury Cadmium Telluride (MCT) and Boltometer type detectors.