Longpass Filter, Colored Glass, 12.7 mm, 400 nm Cut-on, GG400 Glass

Colored Glass Absorptive Longpass Filters

The FR-GG400 Colored Glass longpass Filter is a 12.7 mm diameter 400 nm cut-on optical filter made of Schott GG400 filter glass. This long-wave pass filter is precision polished for demanding research or OEM applications.

Specifications

Technical Specs

Type
Colored Glass Longpass Filter
Optic Size
Ø12.7 mm
Cut-on Wavelength
400 nm
Angle of Incidence
0°
Material
Schott GG400 or equivalent
Surface Quality
60-40 scratch-dig
Surface Flatness
≤1λ at 632.8 nm over the clear aperture
Thickness
3 mm
Thickness Tolerance
±0.1 mm

Size Tolerance
±0.3 mm
Clear Aperture
central ≥ 80% of diameter
Wedge
≤3 arc min
Damage Threshold
30 W/cm² CW, typical
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Type
Colored Glass Longpass Filter
Optic Size
Ø12.7 mm
Cut-on Wavelength
400 nm
Angle of Incidence
0°
Material
Schott GG400 or equivalent
Surface Quality
60-40 scratch-dig
Surface Flatness
≤1λ at 632.8 nm over the clear aperture
Thickness
3 mm
Thickness Tolerance
±0.1 mm

Size Tolerance
±0.3 mm
Clear Aperture
central ≥ 80% of diameter
Wedge
≤3 arc min
Damage Threshold
30 W/cm² CW, typical
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Resources & Downloads

Other

FR-GG400 RoHS Certificate(263.6 kB, PDF)
FR-GG400_ROHS2-2021_w_ex.pdf(279.7 kB, PDF)

2D Product Drawings

12.7 mm Diameter FR Series Drawing(100.7 kB, PDF)

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