Angle of Incidence:
0 ± 5 °
OD > 3.5 463.8 nm
OD > 3.5 501 nm
ODavg > 1 1050 – 1100 nm
ODavg > 10 438 – 458 nm (Design specification – measurements are noise-floor limited)
ODavg > 2 925 – 1050 nm
ODavg > 4 200 – 400 nm
ODavg > 4 400 – 438 nm
ODavg > 5 506.4 – 925 nm
≥ 22 mm
Filter Effective Index:
1.99 Understanding 'Effective Index of Refraction' neff
Filter Thickness Tolerance, Mounted:
Filter Thickness, Mounted:
Guaranteed Minimum Bandwidth:
Mounted / Unmounted:
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.
Arrow on ring indicates preferred direction of propagation of light
BrightLine Single-Band Bandpass Filter
Semrock Filter Family:
BrightLine® Fluorescence Filters
25 x 3.5 mm
low-autofluorescence optical quality glass
Surface Quality (Scratch-Dig):
Tavg > 93% 469.5 – 494.5 nm
Transverse Dimensions, Diameter:
Transverse Tolerance, Mounted:
+ 0.0 / - 0.1 mm
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.
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By Albert David, Zaber Technologies Applications Engineering Team