Longpass Coloured Glass Filter Filter Φ12.5mm Black | GU OPTICS
Longpass Coloured Glass Filter Filter Φ12.5mm Black

Longpass Coloured Glass Filter Filter Φ12.5mm Black

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Product No. 259022

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Dia Φ12.5mm
CWL 1000nm
Filter Color Black
Material Coloured-glass
Glass Model RG1000
Surface Accuracy λ/2 @ 633 nm (25mmArea)
Parallelism <1arcmin
Surface Quality 40/20-60/40
Dimension Tolerance +0.0/-0.2mm
Thickness 2mm ±0.2mm
Central Wavelength Tolerance ±10nm
T Tavg>85%
Coloured glass filters absorb and transmit different spectral bands. Unlike dielectric filters, the center wavelength does not change when the AOI of the beam changes. Grand Unified Optics provides all kinds of optical coloured glass filters to suit your application.
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