544/24 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.

Optical Specifications
Transmission Band	T_avg > 93% 532 – 556 nm
Transmission Wavelength	544 nm
Transmission Wavelength Range	532 – 556 nm
FWHM Bandwidth	29.1 nm
Blocking Band	OD_avg > 5 200 – 497.6 nm OD_avg > 8 426 – 450 nm (Design specification – measurements are noise-floor limited). OD_avg > 8 497.6 – 519.5 nm (Design specification – measurements are noise-floor limited) OD > 3.5 525.8 nm OD > 3.5 562.7 nm OD_avg > 8 567.4 – 588.6 nm (Design specification – measurements are noise-floor limited) OD_avg > 6 588.6 – 750 nm OD_avg > 5 750 – 925 nm OD_avg > 2 925 – 1100 nm

General Specifications
Angle of Incidence	0 ± 5 °
Cone Half-angle	7 °
Filter Effective Index	2.04 Understanding ‘Effective Index of Refraction’ n_eff
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

FF01-544/24-25

Mounted
Size: 25 x 3.5 mm

Transmission

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Optical Density

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Semrock Spectral Plot Info
FF01-544_24_Spectrum

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