GoyaLab spectrometers use a patented optical configuration based on axial transmission. The use of lenses to collimate and focus combined with a transmission grating instead of reflective optical elements as required in Czerny-Turner instruments enables a significantly higher light throughput that results in higher sensitivity. These compact spectrometers are very versatile since they can easily be integrated in experimental setups involving different types of light sources, cuvette and other sample holders, optical fibers, lenses, and many other elements.

The higher sensitivity of an axial transmission optical configuration is further combined with the use of a 2D CMOS detector. Vertical binning on a 2D detector inherently leads to higher signal-to-noise levels when compared to using a 1D detector array.

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