B&W Tek has introduced its enhanced series of TE-cooled, fibre-coupled, InGaAs array spectrometers—the Sol series—which offer extended spectral range and high-speed resolution options along with deeper TE cooling. All four spectrometers in the series have a USB standard interface for easy integration into OEM systems. The Sol 1.7's TE cooling has been upgraded from +5°C to–10°C for lower noise and more stability. It includes three new grating options, allowing for 18 additional configurations between 900 nm and 1700 nm with a resolution as low as 0.2 nm. Redesigned electronics enable this unit to operate with a standard 5 V DC power supply, making it more convenient for OEM integrators and end users. The Sol 2.2 and Sol 2.2A have also been upgraded with three new grating options which allow for eight additional configurations from previous models, extending the range of 900 nm to 2200 nm with higher spectral resolution, measuring less than 2.5 nm for the Sol 2.2

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