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Alrad is now offering the Optometrics range of optical components including gratings, lenses, filters, laser optics, monochromators, and specialised optical systems and software.

Interference band pass filters are relatively inexpensive wavelength selectors that allow transmission of a pre-determined wavelength while rejecting or blocking other wavelengths. Interference filters are widely used in instrumentation for clinical chemistry, environmental testing, colorimetry, elemental and laser line separation, flame photometry, fluorescence and immunoassays.

Optometrics produces thousands of filters specified by, and designed for, other instrument manufacturers. If standard filters do not conform to a user's requirements, Optometrics can design and manufacture filters to particular performance and dimensional specifications.

Alrad also ofers diffraction gratings, wire grid polarisers and monochromators.