Angle of Incidence:
0 ± 2 °
ODavg > 5 1550.4 – 1750 nm
ODavg > 5 850 – 1519.6 nm
ODavg > 6 1412.1 – 1511.9 nm
ODavg > 6 1558 – 1688.5 nm
≥ 22 mm
Filter Effective Index:
1.96 Understanding 'Effective Index of Refraction' neff
Filter Thickness Tolerance, Mounted:
Filter Thickness, Mounted:
Guaranteed Minimum Bandwidth:
Mounted / Unmounted:
Optical Damage Rating:
1 J/cm2 at 1570 nm (10 ns pulse width)
Arrow on ring indicates preferred direction of propagation of light
Semrock Near IR filter
Semrock Filter Family:
Semrock® Near-IR Filters
25 x 3.5 mm
low-autofluorescence optical quality glass
Surface Quality (Scratch-Dig):
Tabs > 90% 1533.5 – 1536.5 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