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531/40 nm BrightLine® single-band bandpass filter

Part Number: FF01-531/40-25

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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: FF01-531/40  FF01  531/40
531/40 nm BrightLine® single-band bandpass filter
Individual fluorescence bandpass 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
FF01-531/40-2525 mm x 5.0 mm$305In StockAdd To Cart
FF01-531/40-25-STR25 mm threaded ring for Sutter Lambda filter wheel$325Ships in 2 daysAdd To Cart
FF01-531/40-3232 mm x 5.0 mm$500In StockAdd To Cart
FF01-531/40-21.8-D21.8 mm x 2.0 mm
(unmounted)
$305In 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 > 93% 511 – 551 nm
Center Wavelength 1531 nm
Guaranteed Minimum Bandwidth 140 nm
FWHM Bandwidth 1 (nominal)45.8 nm
Blocking Band 1ODavg > 5 200 – 400 nm
Blocking Band 2ODavg > 5 400 – 499 nm
Blocking Band 3OD > 4.5 562 nm
Blocking Band 4ODavg > 10 573 – 613 nm (Design specification - measurements are noise-floor limited)
Blocking Band 5ODavg > 5 613 – 700 nm
Blocking Band 6ODavg > 3 700 – 925 nm
Blocking Band 7ODavg > 2 925 – 1100 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 Index1.86 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)2.0 mm
Substrate Thickness Tolerance (unmounted)± 0.1 mm
OrientationArrow on ring indicates preferred direction of propagation of light

Complementary Set Filters

FF01-593_40.png

593/40 nm BrightLine® single-band bandpass filter

• Tavg > 93% 573 – 613 nm
• Center Wavelength of 593 nm and GMBW of 40 nm
• FWHM of 45.7 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-593/40-25
$305
(Non-US pricing info)



FF562-Di03.png

562 nm edge BrightLine® single-edge standard epi-fluorescence dichroic beamsplitter

• Dichroic Beamsplitter with edge at 562 nm
• Ravg > 98% 350 – 554.5 nm
• Tavg > 93% 569.5 – 950 nm
• Flatness / RWE: Standard Epi-fluorescence


Custom sizing available in less than a week (sizing fee applies).
Part # FF562-Di03-25x36
$255
(Non-US pricing info)


Adjacent Bandpass Filters

FF02-531_22.png

531/22 nm BrightLine® single-band bandpass filter

• Tavg > 93% 520 – 542 nm
• Center Wavelength of 531 nm and GMBW of 22 nm
• FWHM of 28.1 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF02-531/22-25
$355
(Non-US pricing info)



FF01-531_46.png

531/46 nm BrightLine® single-band bandpass filter

• Tavg > 94% 508 – 554 nm
• Center Wavelength of 531 nm and GMBW of 46 nm
• FWHM of 48.3 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-531/46-25
$405
(Non-US pricing info)



FF01-532_3.png

532/3 nm BrightLine® single-band bandpass filter

• Tavg > 93% 530.5 – 533.5 nm
• Center Wavelength of 532 nm and GMBW of 3 nm
• FWHM of 9.2 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-532/3-25
$355
(Non-US pricing info)


Edge Filters

BLP01-568R.png

568 nm EdgeBasic™ best-value long-pass edge filter

• Filter with 50% edge at 579 nm
• 429 cm-1 transition
• Tavg > 93% from 584.1 – 900 nm


Custom sizing available in less than a week (sizing fee applies).
Part # BLP01-568R-25
$355
(Non-US pricing info)



FF01-492_SP.png

492 nm blocking edge BrightLine® short-pass filter

• Filter with 50% edge at 483 nm
• Tavg > 90% 400 – 480 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-492/SP-25
$355
(Non-US pricing info)


Dichroic Beamsplitters

FF506-Di03.png

506 nm edge BrightLine® single-edge standard epi-fluorescence dichroic beamsplitter

• Dichroic Beamsplitter with edge at 506 nm
• Ravg > 98% 350 – 500 nm
• Tavg > 93% 513 – 950 nm
• Flatness / RWE: Standard Epi-fluorescence


Custom sizing available in less than a week (sizing fee applies).
Part # FF506-Di03-25x36
$255
(Non-US pricing info)


[x]
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
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

531/40 FF01-531/40 FF01 Bandpass Single-Band FF01-531/40-25 FF01-531/40-32 FF01-531/40-21.8-D FF01-531/40-25-STR

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