Category : Optics (components, coatings, instruments and systems) > Optical instrumentation, systems and accessories

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For those applications where the scattered light performance of a single monochromator is not sufficient, the DTMc300 double monochromators are available.
These devices are supplied with either additive or subtractive dispersion, or they can be converted from one to the other by changing one of the grating turrets and the controlling software. A swing away mirror allows instant change from double to single operation - a useful feature in UV-VIS-NIR systems.
An order sorting filter wheel, essential for accurate measurement of continuous spectra, motorised slits, light sources and detectors are amongst the wide range of light measurement products available to complement the DTMc300.

As with the TMc300, these monochromators control grating position using precision gears and a microprocessor-controlled microstepping drive. Up to three gratings are mounted on a turret which can be rotated through 360° allowing software selection of grating type and position.

A programmable detector changeover mirror and detection electronics with software selectable dual inputs allow spectral scans over wide wavelength ranges to be accomplished without manual intervention. The advantages of this drive include constant wavelength accuracy at all grating angles, very fast wavelength acquisition and zero backlash.

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