Semrock Bandpass filters

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Reference number: SEM-FF01

Bandpass filter for demanding machine vision applications

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Optics & Optomechanics Team

Description

Large selection of bandpass filters suitable for your laser wavelength:



Center wavelength [nm] 405, 450, 520, 635, 640, 650, 660, 690, 785, 830
FWHM Bandwith [nm] 4 to 45
Transmission [%] 87 bis 93 (depending on center wavelength)
Transverse Diameter [mm] 25 (optional: 12,5, 32 and 50)
Mounted Filter Thickness [mm]
3,5 to 5
Free aperture [mm]  ≥ 21 (for mounted version with 25 mm in diameter)
Surface quality (scratch dig)  60-40
optical damage rating Testing has proven to show no signs of dedegreeation 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.
Orientation  Arrow on ring indicates preferred direction of propagation of light.