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500/646 nm BrightLine® dual-edge dichroic beamsplitter

Part Number: FF500/646-Di01-25x36

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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
Reflection Band 1Ravg > 95% 486 – 490 nm
Edge Wavelength 1500 nm
Transmission Band 1Tavg > 90% 505 – 613 nm
Reflection Band 2Ravg > 95% 632 – 634 nm
Edge Wavelength 2646 nm
Transmission Band 2Tavg > 90% 653 – 750 nm

General Filter Specifications
SpecificationValue
Angle of Incidence45 ± 1.5 degrees
Cone Half-angle2 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.
SteepnessStandard
Filter Effective Index1.83 Understanding ‘Effective Index of Refraction’ neff
Flatness / RWE ClassificationStandard Epi-fluorescence
Reflected Wavefront Error>> 6λ P-V RWE @ 632.8 nm

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
SpecificationValue
Transverse Dimensions (L x W)25.2 mm x 35.6 mm
Transverse Tolerance± 0.1 mm
Filter Thickness (unmounted)1.05 mm
Filter Thickness Tolerance (unmounted)± 0.05 mm
Clear Aperture≥ 80% (elliptical)
Scratch-Dig60-40
Substrate Thickness (unmounted)1.05 mm
Substrate Thickness Tolerance (unmounted)± 0.05 mm
OrientationReflective surface marked with part number - Orient in direction of incoming light

Tech Note
TopicDescription
Cleaning Optical FiltersInstructions for cleaning hard coated optical filters
Filter ReliabilityCompares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Flatness of Dichroic BeamsplittersDescribes the impact of non-flat dichroic beamsplitters on microscope image fidelity
Multiband Filter Set TerminologyCompares benefits and drawbacks of full multiband, pinkel and sedat filter sets

500/646 FF500/646 FF500/646-Di01

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