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520/35 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.

Optical Specifications
Transmission Band Tavg > 93% 502.5 – 537.5 nm

Transmission Wavelength 520 nm

Transmission Wavelength Range 502.5 – 537.5 nm

FWHM Bandwidth 40.7 nm

Blocking Band ODavg > 4 200 – 400 nm
ODavg > 4 400 – 457.5 nm
ODavg > 10 457.5 – 487.5 nm (Design specification – measurements are noise-floor limited).
OD > 3.5 495 nm
ODavg > 5 553 – 700 nm
ODavg > 5 700 – 925 nm
General Specifications
Angle of Incidence 0 ± 5 °

Cone Half-angle 7 °

Filter Effective Index 1.9 Understanding ‘Effective Index of Refraction’ neff

Optical Damage Rating Testing 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)
Transverse Dimensions, Diameter 25 mm

Filter Thickness, Mounted 3.5 mm

Filter Thickness Tolerance, Mounted ± 0.1 mm

Filter Thickness, Unmounted 2.0 mm

Filter Thickness Tolerance, Unmounted ± 0.1 mm

Clear Aperture ≥ 22 mm

Surface Quality (Scratch-Dig) 60-40

Orientation Arrow on ring is preferred direction of propagation of light
Fluorophores
Fluorophore 5-FAM (5-carboxyfluorescein)

FF01-520/35-25

  • Mounted
  • Size: 25 x 5.0 mm

Transmission

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Optical Density

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Semrock Spectral Plot Info
FF01-520_35_spectrum

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FF01-520/35

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