Colored Glass Filter, Coated, 50.8x50.8 mm, UV Bandpass, UG1

Coated Colored Glass Absorptive UV Bandpass Filters

The FSQ-UG1-C Colored Glass Bandpass Filter is a 50.8 x 50.8 mm UV bandpass filter made of UG1 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 UG1 or equivalent
Center Wavelength
355 nm
FWHM
53 nm
Coating Type
SiO₂
Angle of Incidence
0°
Size
50.8 x 50.8 mm
Size Tolerance
±0.3 mm
Thickness
1.9 to 3.1 mm
Thickness Tolerance
±0.1 mm
Surface Flatness
≤4λ 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 area
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 UG1 or equivalent
Center Wavelength
355 nm
FWHM
53 nm
Coating Type
SiO₂
Angle of Incidence
0°
Size
50.8 x 50.8 mm
Size Tolerance
±0.3 mm
Thickness
1.9 to 3.1 mm
Thickness Tolerance
±0.1 mm
Surface Flatness
≤4λ 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 area
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics
Edge Finish
Coated

Resources & Downloads

Other

FSQ-UG1-C_ROHS2-2021.pdf(280 kB, PDF)

2D Product Drawings

FSQ-C Drawing(95.1 kB, PDF)

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