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655/40 nm BrightLine® single-band bandpass filter

Part Number: FF02-655/40-25

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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: FF02-655/40  FF02  655/40
655/40 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
FF02-655/40-2525 mm x 5.0 mm$305In StockAdd To Cart
FF02-655/40-3232 mm x 5.0 mm$500Ships in 2 daysAdd To Cart
FF02-655/40-21.8-D21.8 mm x 2.0 mm
(unmounted)
$305Ships in 2 daysAdd 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% 635 – 675 nm
Center Wavelength 1655 nm
Guaranteed Minimum Bandwidth 140 nm
FWHM Bandwidth 1 (nominal)46.9 nm
Blocking Band 1ODavg > 5 200 – 619.3 nm
Blocking Band 2OD > 3.5 685.5 nm
Blocking Band 3ODavg > 10 696 – 736 nm (Design specification - measurements are noise-floor limited)
Blocking Band 4ODavg > 4.5 736 – 925 nm
Blocking Band 5ODavg > 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 Index1.79 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

FF01-716_40.png

716/40 nm BrightLine® single-band bandpass filter

• Tavg > 93% 696 – 736 nm
• Center Wavelength of 716 nm and GMBW of 40 nm
• FWHM of 47.2 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-716/40-25
$305
(Non-US pricing info)



FF685-Di02.png

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

• Dichroic Beamsplitter with edge at 685 nm
• Ravg > 98% 350 – 676 nm
• Tavg > 93% 695 – 950 nm
• Flatness / RWE: Standard Epi-fluorescence


Custom sizing available in less than a week (sizing fee applies).
Part # FF685-Di02-25x36
$255
(Non-US pricing info)


Adjacent Bandpass Filters

FF01-655_15.png

655/15 nm BrightLine® single-band bandpass filter

• Tavg > 90% 647.5 – 662.5 nm
• Center Wavelength of 655 nm and GMBW of 15 nm
• FWHM of 23.7 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-655/15-25
$355
(Non-US pricing info)



FF01-660_13.png

660/13 nm BrightLine® single-band bandpass filter

• Tavg > 93% 653.5 – 666.5 nm
• Center Wavelength of 660 nm and GMBW of 13 nm
• FWHM of 20.2 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-660/13-25
$355
(Non-US pricing info)



FF01-660_30.png

660/30 nm BrightLine® single-band bandpass filter

• Tavg > 90% 645 – 675 nm
• Center Wavelength of 660 nm and GMBW of 30 nm
• FWHM of 36.8 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-660/30-25
$355
(Non-US pricing info)


Edge Filters

FF01-692_LP.png

692 nm blocking edge BrightLine® long-pass filter

• Filter with 50% edge at 702 nm
• Tavg > 93% 707 – 752 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-692/LP-25
$405
(Non-US pricing info)



BSP01-633R.png

632.8 nm EdgeBasic™ best-value short-pass edge filter

• Laser Wavelength = 632.8 nm
• Filter 50% edge at 621.8 nm
• 385 cm-1 transition
• Tavg > 80% 350 – 400 nm
• Tavg > 93% 400 – 615.1 nm


Custom sizing available in less than a week (sizing fee applies).
Part # BSP01-633R-25
$405
(Non-US pricing info)


Dichroic Beamsplitters

FF635-Di01.png

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

• Dichroic Beamsplitter with edge at 635 nm
• Ravg > 94% 507 – 622 nm
• Tavg > 90% 636 – 830 nm
• Flatness / RWE: Standard Epi-fluorescence


Custom sizing available in less than a week (sizing fee applies).
Part # FF635-Di01-25x36
$335
(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

655/40 FF02-655/40 FF02 Bandpass Single-Band FF02-655/40-25 FF02-655/40-32 FF02-655/40-21.8-D

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