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New, Ultra-High-Sensitivity, Deeply Cooled InGaAs Cameras for Ground-Based Astronomy in the NIR-II / SWIR

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New, Ultra-High-Sensitivity, Deeply Cooled InGaAs Cameras for Ground-Based Astronomy in the NIR-II / SWIR

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Infrared astronomy started about three decades after infrared (IR) radiation was discovered by Sir William Herschel in 1800. Work in the IR range has been an important facet of astronomical investigation since the 1950s and 1960s, when technological advances in IR detectors began being leveraged to augment the success of contemporary radio astronomy. By the mid-1980s, array detectors engineered to provide photonic sensitivity in the near-infrared (NIR) range - at wavelengths between 700 and 3000 nm - were letting astronomers explore the universe in new and exciting ways.

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