Sorry, this product is no longer offered for sale. It was discontinued on Jun 11, 2025The recommended replacement product is FR-UG11-C.
Bandpass Filter, Colored Glass, 12.7 mm, UV Bandpass, UG11 Glass

The FR-UG11 Colored Glass Bandpass Filter is a 12.7 mm diameter UV pass filter made of Schott UG11 filter glass. This bandpass filter is precision polished for demanding research or OEM applications.
Warning – this filter material is naturally hygroscopic. When exposed to a humid environment, they will start to discolor and stain. The stains cannot be wiped off and the damage is permanent. We offer the
Specifications
- TypeColored Glass Bandpass Filter
- MaterialSchott UG11 or equivalent
- Center Wavelength325 nm
- FWHM110 nm
- Angle of Incidence0°
- SizeØ12.7 mm
- Size Tolerance±0.3 mm
- Thickness2 mm
- Thickness Tolerance±0.1 mm
- Surface Flatness≤1λ at 632.8 nm over the clear aperture
- Surface Quality60-40 scratch-dig
- Damage Threshold30 W/cm2 CW, Typical
- Wedge≤3 arc min
- Clear Aperturecentral ≥ 80% of diameter
- ChamfersUp to 1 mm face width
- Chamfers Angle Tolerance45° ±15°
- Cleaning

Resources & Downloads
2D Product Drawings
FBR-NDXX-12_7mm_2mm-S(60.3 kB, PDF)
Other
FR-UG11 RoHS Certificate(698.8 kB, PDF)
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