Optical Specifications
SpecificationValueTransmission Band 1Tavg > 65% 244 – 256 nmCenter Wavelength 1250 nmGuaranteed Minimum Bandwidth 112 nmFWHM Bandwidth 1 (nominal)15.2 nmBlocking Band 1ODavg > 6 200 – 236 nmBlocking Band 2ODavg > 4 263 – 450 nmBlocking Band 3ODavg > 2 450 – 600 nm
General Filter Specifications
SpecificationValueMercuryLine253.7 nmAngle of Incidence0 ± 7 degreesCone Half-angle10 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.Effective Index2.36
Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
SpecificationValueTransverse Dimensions (Diameter)25 mmTransverse Dimensions 2 (Diameter)50 mmTransverse Tolerance (mounted)+ 0.0 / – 0.1 mmFilter Thickness (Mounted)3.5 mmFilter Thickness Tolerance (Mounted)± 0.1 mmClear Aperture≥ 22 mmClear Aperture 2≥ 45 mmScratch-Dig80-50Substrate Thickness (unmounted)2.0 mmSubstrate Thickness Tolerance (unmounted)± 0.1 mmOrientationArrow on ring indicates preferred direction of propagation of light
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