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680/42 nm BrightLine® single-band bandpass filter

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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.

Note on spectral plots:
In the past, each shipment has included a spectral plot for every filter and every lot code in the shipment. In an effort to be more eco-friendly, we will no longer be including these plots with each shipment. If you require spectral plot data, please see here for more information.

Optical Specifications
Transmission BandTavg > 93% 659.5 – 701 nm
Transmission Wavelength680.3 nm
Transmission Wavelength Range659.55 - 701.05 nm
FWHM Bandwidth47 nm
Blocking BandOD > 3.5 651.8 nm
OD > 3.5 709.5 nm
ODavg > 2 925 – 1100 nm
ODavg > 5 200 – 626 nm
ODavg > 5 749 – 925 nm
ODavg > 8 381 – 404 nm (Design specification – measurements are noise-floor limited)
ODavg > 8 461 – 487.5 nm (Design specification – measurements are noise-floor limited)
ODavg > 8 543 – 566 nm (Design specification – measurements are noise-floor limited)
ODavg > 8 626 – 644 nm (Design specification – measurements are noise-floor limited)
ODavg > 8 718 – 749 nm (Design specification – measurements are noise-floor limited)


General Specifications
Angle of Incidence0 ± 5 °
Cone Half-angle7 °
Filter Effective Index1.92 Understanding 'Effective Index of Refraction' neff
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.


Physical Specifications (for standard parts - please contact us for custom sizes)
ShapeRound
Size25 x 3.5 mm
32 x 3.5 mm
23.3 x 2.0 mm
25 mm (threaded ring for Sutter Lambda filter wheel)
Transverse Dimensions, Diameter25 mm
Transverse Tolerance, Mounted+ 0.0 / - 0.1 mm
Filter Thickness, Mounted3.5 mm
Filter Thickness Tolerance, Mounted± 0.1 mm
Clear Aperture≥ 22 mm
Surface Quality (Scratch-Dig)60-40
Substrate Thickness2.0 mm
Substrate TypeLow-autofluorescence optical quality glass
OrientationArrow on ring indicates preferred direction of propagation of light


FF01-680/42-23.3-D

  • Unmounted
  • Size: 23.3 x 2.0 mm

FF01-680/42-25

  • Mounted
  • Size: 25 x 3.5 mm

FF01-680/42-25-STR

  • Mounted
  • Size: 25 mm (threaded ring for Sutter Lambda filter wheel)

FF01-680/42-32

  • Mounted
  • Size: 32 x 3.5 mm

Transmission

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Optical Density

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Semrock Spectral Plot Info
FF01-680_42_Spectrum
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FF01-680/42

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Alternatively, just call +44 (0) 1933 461 666 and ask to speak to the Photonics team.

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Karen McGeachy West

MPhys (Hons)

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Peter Collins

Peter Collins

BEng (Hons), MSc (Eng)

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Siân Brooks

BSc (Hons)

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Dan Young

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Paul Williams

PhD

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Lisa Thomson

MPhys

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Shannon O’Connor

BSc (Hons)