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320/40 nm BrightLine® single-band bandpass filter

Part Number: FF02-320/40-25

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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: FF02-320/40  FF02  320/40
320/40 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
FF02-320/40-2525 mm x 5.0 mm$405In 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 > 65% 300 – 340 nm
Center Wavelength 1320 nm
Guaranteed Minimum Bandwidth 140 nm
FWHM Bandwidth 1 (nominal)43.8 nm
Blocking Band 1ODavg > 5 200 – 290 nm
Blocking Band 2ODavg > 5 350 – 750 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.
Effective Index2.03

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

Adjacent Bandpass Filters

FF01-315_15.png

315/15 nm BrightLine® single-band bandpass filter

• Tavg > 75% 307.5 – 322.5 nm
• Center Wavelength of 315 nm and GMBW of 15 nm
• FWHM of 20.4 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-315/15-25
$355
(Non-US pricing info)



FF01-334_40.png

334/40 nm BrightLine® single-band bandpass filter

• Tavg > 60% 314 – 354 nm
• Center Wavelength of 334 nm and GMBW of 40 nm
• FWHM of 46.5 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-334/40-25
$355
(Non-US pricing info)



FF01-335_7.png

335/7 nm BrightLine® single-band bandpass filter

• Tavg > 75% 331.5 – 338.5 nm
• Center Wavelength of 335 nm and GMBW of 7 nm
• FWHM of 10.5 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-335/7-25
$405
(Non-US pricing info)


Edge Filters

FF01-276_SP.png

276 nm blocking edge BrightLine® short-pass filter

• Filter with 50% edge at 272 nm
• Tavg > 35% 245 – 270 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-276/SP-25
$455
(Non-US pricing info)



BLP01-355R.png

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

• Filter with 50% edge at 361 nm
• 687 cm-1 transition
• Tavg > 93% from 364.9 – 900 nm


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


Dichroic Beamsplitters

FF310-Di01.png

310 nm edge BrightLine® single-edge dichroic beamsplitter

• Dichroic Beamsplitter with edge at 310 nm
• Ravg > 98% 255 – 295 nm
• Tavg > 90% 315 – 600 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF310-Di01-25x36
$435
(Non-US pricing info)



FF365-Di01.png

365 nm edge BrightLine® single-edge dichroic beamsplitter

• Dichroic Beamsplitter with edge at 365 nm
• Ravg > 94% 230 – 360 nm
• Tavg > 90% 370 – 508 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF365-Di01-25x36
$435
(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.

320/40 FF02-320/40 FF02 Bandpass Single-Band FF02-320/40-25

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