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500 nm blocking edge BrightLine® long-pass filter

Part Number: FF01-500/LP-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.
Semrock Optical Filter: FF01-500/LP  FF01  500/LP
500 nm blocking edge BrightLine® long-pass filter
Individual fluorescence long-pass and short-pass filters that have been optimized for use in a variety of fluorescence instruments. All thin-film, hard-coated construction for unsurpassed performance and reliability.
Part NumberSizePrice1Stock StatusQuantity
FF01-500/LP-2525 mm x 3.5 mm$265Ships in 2 daysAdd To Cart
FF01-500/LP-3232 mm x 3.5 mm$434Ships in 2 daysAdd To Cart
FF01-500/LP-23.3-D23.3 mm x 2.0 mm
(unmounted)
$265In StockAdd To Cart

Don’t see a size you need? Create your own custom sized part – available in less than a week.

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Custom Sizing Limits:
Diameter Range: 5mm - 50.8mm
Rectangular Dimensions: 5mm - 50.8mm

Substrate thickness/tolerance as listed on Specifications tab.
Dimensional tolerances are ±0.1mm for unhoused parts.

For sizes outside the limits listed above, please contact customer service at 1-866-SEMROCK



1) US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.
Optical Specifications
SpecificationValue
Transmission Band 1Tavg > 90% 519 – 700 nm
Edge Wavelength 1515 nm
Blocking Band 1500 nm

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 Index1.89 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)3.5 mm
Filter Thickness Tolerance (Mounted)± 0.1 mm
Clear Aperture≥ 22 mm
Scratch-Dig60-40
Substrate Thickness (unmounted)2.0 mm
Substrate Thickness Tolerance (unmounted)± 0.1 mm
OrientationArrow on ring indicates preferred direction of propagation of 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
Working with Optical DensityTables to describe the relationship between OD and transmission with tips for quickly calculating OD

500/LP Long pass Long-pass Longpass LWP Long-Wave-Pass FF01-500/LP FF01 FF01-500/LP-25 FF01-500/LP-32 FF01-500/LP-23.3-D

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