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448/523 nm BrightLine® dual-band bandpass filter

Part Number: FF01-448/523-25

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  • Your filter spectrum may differ slightly from the typical spectrum above, but is certified to meet the optical specifications noted below.
Optical Specifications
SpecificationValue
Transmission Band 1Tavg > 90% 420.5 – 475.5 nm
Center Wavelength 1448 nm
Guaranteed Minimum Bandwidth 155 nm
FWHM Bandwidth 1 (nominal)55.5 nm
Transmission Band 2Tavg > 90% 499.5 – 546.5 nm
Center Wavelength 2523 nm
Guaranteed Minimum Bandwidth 247 nm
FWHM Bandwidth 2 (nominal)17.4 nm
Blocking Band 1Nominal blocking data is represented by the ASCII spectrum

General Filter Specifications
SpecificationValue
Angle of Incidence0 ± 5 degrees
Cone Half-angle7 degrees
Optical Damage RatingTesting has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hrs.
Filter Effective Index1.99 Understanding ‘Effective Index of Refraction’ neff

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
SpecificationValue
Transverse Dimensions (Diameter)25 mm
Transverse Tolerance (mounted)+ 0.0 / – 0.1 mm
Filter Thickness (Mounted)5.0 mm
Filter Thickness Tolerance (Mounted)± 0.1 mm
Clear Aperture≥ 21 mm
Scratch-Dig60-40
Substrate Thickness (unmounted)3.0 mm
Substrate Thickness Tolerance (unmounted)± 0.1 mm
OrientationArrow on ring indicates preferred direction of propagation of light


FF01-448/523 448/523

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