Angle of Incidence:
0 ± 5 °
OD > 3.5 @ 469.8 nm
OD > 3.5 @ 520 nm
ODavg > 10 421 – 462.5 nm (Design specification – measurements are noise-floor limited)
ODavg > 4 200 – 421 nm
ODavg > 5 600 – 700 nm
ODavg > 6 522 – 600 nm
ODavg > Z xxx – yyy nm
ODavg ≥ 5 700 – 925 nm
≥ 22 mm
Filter Effective Index:
2.00 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
Substrate Thickness Tolerance, Unmounted:
± 0.1 mm
low-autofluorescence optical quality glass
Surface Quality (Scratch-Dig):
Tavg > 93% 477 – 511 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