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520/35 nm BrightLine® single-band bandpass filter

Part Number: FF01-520/35-25

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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: FF01-520/35  FF01  520/35
520/35 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
FF01-520/35-2525 mm x 3.5 mm$305In StockAdd To Cart
FF01-520/35-25-STR25 mm threaded ring for Sutter Lambda filter wheel$325Ships in 2 daysAdd To Cart
FF01-520/35-3232 mm x 3.5 mm$500Ships in 2 daysAdd To Cart
FF01-520/35-23.3-D23.3 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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Dimension 2: mm 
  
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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% 502.5 – 537.5 nm
Center Wavelength 1520 nm
Guaranteed Minimum Bandwidth 135 nm
FWHM Bandwidth 1 (nominal)40.7 nm
Blocking Band 1ODavg > 4 200 – 400 nm
Blocking Band 2ODavg > 4 400 – 457.5 nm
Blocking Band 3ODavg > 10 457.5 – 487.5 nm (Design specification - measurements are noise-floor limited)
Blocking Band 4OD > 3.5 495 nm
Blocking Band 5ODavg > 5 553 – 700 nm
Blocking Band 6ODavg > 5 700 – 925 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 Index1.9 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

Complementary Set Filters

FF02-472_30.png

472/30 nm BrightLine® single-band bandpass filter

• Tavg > 93% 457 – 487 nm
• Center Wavelength of 472 nm and GMBW of 30 nm
• FWHM of 34.6 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF02-472/30-25
$305
(Non-US pricing info)



FF495-Di03.png

495 nm edge BrightLine® single-edge dichroic beamsplitter

• Dichroic Beamsplitter with edge at 495 nm
• Ravg > 98% 350 – 488 nm
• Tavg > 93% 502 – 950 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF495-Di03-25x36
$255
(Non-US pricing info)


Adjacent Bandpass Filters

FF02-520_28.png

520/28 nm BrightLine® single-band bandpass filter

• Tavg > 93% 506 – 534 nm
• Center Wavelength of 520 nm and GMBW of 28 nm
• FWHM of 34.7 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF02-520/28-25
$355
(Non-US pricing info)



FF01-520_44.png

520/44 nm BrightLine® single-band bandpass filter

• Tavg > 90% 498 – 542 nm
• Center Wavelength of 520 nm and GMBW of 44 nm
• FWHM of 54 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-520/44-25
$305
(Non-US pricing info)



FF01-520_60.png

520/60 nm BrightLine® single-band bandpass filter

• Tavg > 90% 490 – 550 nm
• Center Wavelength of 520 nm and GMBW of 60 nm
• FWHM of 68 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-520/60-25
$405
(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

FF552-Di02.png

552 nm edge BrightLine® single-edge dichroic beamsplitter

• Dichroic Beamsplitter with edge at 552 nm
• Ravg > 98% 350 – 544 nm
• Tavg > 93% 558 – 950 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF552-Di02-25x36
$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.

520/35 FF01-520/35 FF01 Bandpass Single-Band FF01-520/35-25 FF01-520/35-32 FF01-520/35-23.3-D FF01-520/35-25-STR

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