MaxLine laser-line filters transmit greater than 90% of the light at a precisely defined laser line, while offering incredibly steep edges to eliminate optical noise from non-lasing (plasma) lines and spontaneous emission.Optical SpecificationsSpecificationValueTransmission Band 1T_abs > 40% 248.6 nmCenter Wavelength 1248.6 nmGuaranteed Minimum Bandwidth 1Transmission guaranteed for laser wavelength onlyFWHM Bandwidth 1 (nominal)1.7 nm (typical); 2.2 nm (maximum)Blocking Band 1OD_abs > 5 228.2 – 246.1 nmBlocking Band 2OD_abs > 6 228.7 – 244.9 nmBlocking Band 3OD_abs > 6 252.3 – 273.5 nmBlocking Band 4OD_abs > 5 251.1 – 279.9 nmGeneral Filter SpecificationsSpecificationValueLaser Wavelength 1248.6 nmAngle of Incidence0 ± 2 degreesCone Half-angle0.5 degreesOptical Damage Rating0.1 J/cm² @ 532 nm (10 ns pulse width)Filter Effective Index1.77 Understanding ‘Effective Index of Refraction’ n_effPhysical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)SpecificationValueTransverse Dimensions (Diameter)12.5 mmTransverse Dimensions 2 (Diameter)25 mmTransverse Tolerance (mounted)+ 0.0 / – 0.1 mmFilter Thickness (Mounted)3.5 mmFilter Thickness Tolerance (Mounted)± 0.1 mmClear Aperture≥ 10 mmClear Aperture 2≥ 22 mmScratch-Dig60-40Substrate TypeFused SilicaSubstrate Thickness (unmounted)2.0 mmSubstrate Thickness Tolerance (unmounted)± 0.1 mmOrientationArrow on ring indicates preferred direction of propagation of light