Longpass Filter, Colored Glass, 50.8 x 50.8 mm, 570 nm Cut-on, OG570 Glass
The FSQ-OG570 Colored Glass Longpass Filter is a 50.8 x 50.8 mm 570 nm cut-on optical filter made of Schott OG570 filter glass. This long-wave pass edge filter is precision polished for demanding research or OEM applications. Specifications
Type
Colored Glass Longpass Filter
Optic Size
50.8 x 50.8 mm
Cut-on Wavelength
570 nm
Angle of Incidence
0°
Material
Schott OG570 or equivalent
Thickness Tolerance
±0.1 mm
Surface Flatness
≤2λ at 632.8 nm over the clear aperture
Thickness
2.0 to 3.0 mm, typical
Size Tolerance
±0.3 mm
Clear Aperture
central ≥ 80% of area
Chamfers
Up to 1 mm face width
Cleaning
Damage Threshold
30 W/cm2 CW, Typical
Wedge
≤3 arc min
Chamfers Angle Tolerance
45° ±15°
Type
Colored Glass Longpass Filter
Optic Size
50.8 x 50.8 mm
Cut-on Wavelength
570 nm
Angle of Incidence
0°
Material
Schott OG570 or equivalent
Thickness Tolerance
±0.1 mm
Surface Flatness
≤2λ at 632.8 nm over the clear aperture
Thickness
2.0 to 3.0 mm, typical
Size Tolerance
±0.3 mm
Clear Aperture
central ≥ 80% of area
Chamfers
Up to 1 mm face width
Cleaning
Damage Threshold
30 W/cm2 CW, Typical
Wedge
≤3 arc min
Chamfers Angle Tolerance
45° ±15°
