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Optical filter / interference - ø 11.8 - 25.4 mm
Edmund Infrared Bandpass Interference Filters are superbly crafted to deliver exceptional performances in transmitting a small range of selected wavelengths while filtering out the other wavelengths. The filters are available in varying CWL versions. They are conducive for use in combination with LEDs and laser diodes. They can be used mounted or unmounted as per applications and requirements.Interference filters are perfect for use in a wide array of applications in the biomedical, biotechnology and quantitative chemical fields. They are extremely handy in clinical chemistry instrumentation, colorimetry, environmental testing, elemental and laser line separation, fluorescence, immunoassays, flame photometry and related applications. Interference filters are used to isolate discrete spectral lines from gas/arc discharge lamps of Hg, Xe, Cd, etc. They are also used in isolation of particular spectral lines from lasers like Ar, Kr, Nd:YAG etc.
The filter gives uniform performance with any side of the filter facing the source of wavelengths. However, it is best used with the mirrored side facing the source. This reduces the impact of thermal radiation.