Colored Glass Filter, Coated, Ø25.4 mm, UV Bandpass, UG5

Coated Colored Glass Absorptive UV Bandpass Filters

The FSR-UG5-C Colored Glass Bandpass Filter is a 25.4 mm diameter UV bandpass optical filter made of UG5 filter glass and coated for better resistance to humid environments. This bandpass filter is precision polished for demanding research or OEM applications.

Specifications

Technical Specs

Type
Colored Glass Bandpass Filter
Material
Schott UG5 or equivalent
Center Wavelength
318 nm
FWHM
175 nm
Coating Type
SiO₂
Angle of Incidence
0°
Size
Ø25.4 mm
Size Tolerance
±0.3 mm
Thickness
1.9 to 3.1 mm
Thickness Tolerance
±0.1 mm
Surface Flatness
≤1λ at 632.8 nm over the clear aperture

Surface Quality
60-40 scratch-dig
Damage Threshold
30 W/cm² CW, Typical
Wedge
≤3 arc min
Clear Aperture
central ≥ 80% of diameter
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics
Edge Finish
Coated

Type
Colored Glass Bandpass Filter
Material
Schott UG5 or equivalent
Center Wavelength
318 nm
FWHM
175 nm
Coating Type
SiO₂
Angle of Incidence
0°
Size
Ø25.4 mm
Size Tolerance
±0.3 mm
Thickness
1.9 to 3.1 mm
Thickness Tolerance
±0.1 mm
Surface Flatness
≤1λ at 632.8 nm over the clear aperture

Surface Quality
60-40 scratch-dig
Damage Threshold
30 W/cm² CW, Typical
Wedge
≤3 arc min
Clear Aperture
central ≥ 80% of diameter
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics
Edge Finish
Coated

Resources & Downloads

Other

FSR-UG5-C_ROHS2-2021.pdf(279.7 kB, PDF)

2D Product Drawings

FSR-C Drawing(71.9 kB, PDF)

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