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475/28 nm BrightLine® single-band bandpass filter
475/28 nm BrightLine® single-band bandpass filter - Image 2

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475/28 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 > 90% 461 – 489 nm Transmission Wavelength 475 nm Transmission Wavelength R 461 - 489 nm FWHM Bandwidth 32 nm Blocking Band ODavg > 5 200 – 449 nm ODavg > 5 500.5 – 500.5 nm ODavg > 10 515 – 570 nm (Design specification – measurements are noise-floor limited). ODavg > 5 570 – 700 nm ODavg > 2.5 700 – 925 nm ODavg > 2 925 – 1100 nm
General Specifications
Angle of Incidence 0 ± 5 ° Cone Half-angle 7 ° Filter Effective Index 1.92 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 D 25 mm Filter Thickness, Mounted 5.0 mm Filter Thickness Tolerance M ± 0.1 mm Filter Thickness, Unmounted 2.0 mm Filter Thickness Tolerance U ± 0.1 mm Clear Aperture ≥ 21 mm Surface Quality (Scratch-Dig) 60-40 Orientation Arrow on ring is preferred direction of propagation of light

Transmission

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Optical Density

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