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496/20 nm BrightLine® single-band bandpass filter

Part Number: FF01-496/20-25

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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
Transmission Band 1Tavg > 90% 486 – 506 nm
Center Wavelength 1496 nm
GMBW 120 nm
FWHM 1 (nominal)25.6 nm
Blocking Band 1ODavg > 6 400 – 476 nm
Blocking Band 2ODavg > 6 514 – 1100 nm

General Filter Specifications
Filter Effective Index1.83 Understanding ‘Effective Index of Refraction’ neff
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.

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

Closest Alternate Filters


494/20 nm BrightLine® single-band bandpass filter

• Tavg > 93% 484 – 504 nm
• Center Wavelength of 494 nm and GMBW of 20 nm
• FWHM of 25.2 nm

Custom sizing delivery confirmed ARO (sizing fee applies).
Part # FF01-494/20-25
(Non-US pricing info)

US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.
Tech Note
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
Working with Optical DensityTables to describe the relationship between OD and transmission with tips for quickly calculating OD

496/20 FF01-496/20

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