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Sorry, this product is no longer offered for sale. It was discontinued on Jun 11, 2025The recommended replacement product is FSQ-UG1-C.
Bandpass Filter, Colored Glass, 50.8 x 50.8 mm, UV Bandpass, UG1 Glass
The FSQ-UG1 Colored Glass Bandpass Filter is a 50.8 x 50.8 mm UV bandpass filter made of Schott UG1 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 UG1 or equivalent
- Center Wavelength355 nm
- FWHM53 nm
- Angle of Incidence0°
- Size50.8 x 50.8 mm
- Size Tolerance±0.3 mm
- Thickness2.0 to 3.0 mm, typical
- Surface Flatness≤4λ 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 area
- ChamfersUp to 1 mm face width
- Chamfers Angle Tolerance45° ±15°
- Cleaning
Resources & Downloads
2D Product Drawings
COLOREDG-S(61 kB, PDF)
Other
FSQ-UG1 RoHS Certificate(692.3 kB, PDF)
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