Andor’s iDus InGaAs detector array series provides the most optimized platform for Spectroscopy applications up to 2.2 μm. The TE-cooled, in-vacuum sensors reach cooling temperatures of -90°C where best Signal-to-Noise ratio can be achieved. Indeed dark current will improve moderately below -90°C where scene black body radiation will dominate, while Quantum Efficiency of the iDus InGaAs detector array sensor will be greatly impacted at these lower temperatures and lead to a lower Signal-to-Noise ratio.
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