Semrock/280/10 nm BrightLine single-band bandpass filter/FF01-280/10-25/25 mm x 3.5 mm

来自 : 发布时间：2025-01-15

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 SpecificationsSpecificationValueTransmission Band 1T_avg > 60% 275 – 285 nmCenter Wavelength 1280 nmGuaranteed Minimum Bandwidth 110 nmFWHM Bandwidth 1 (nominal)12.2 nmBlocking Band 1Nominal blocking data is represented by the ASCII spectrumGeneral Filter SpecificationsSpecificationValueFilter Effective Index2.08 Understanding ‘Effective Index of Refraction’ n_effAngle of Incidence0 ± 5 degreesCone Half-angle7 degreesOptical 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 Filter Specifications (applies to standard sized parts; contact us regarding other sizes)SpecificationValueTransverse Dimensions (Diameter)25 mmTransverse Tolerance (mounted)+ 0.0 / - 0.1 mmFilter Thickness (Mounted)3.5Filter Thickness Tolerance (Mounted)± 0.1 mmClear Aperture≥ 22 mmScratch-Dig60-40Substrate Thickness (unmounted)1.1 mmSubstrate Thickness Tolerance (unmounted)± 0.1 mmOrientationArrow on ring indicates preferred direction of propagation of light