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View article: The PRime-focus Infrared Microlensing Experiment (PRIME): First Results
The PRime-focus Infrared Microlensing Experiment (PRIME): First Results Open
We present the description of the instruments and the first results of the PRime-focus Infrared Microlensing Experiment (PRIME). PRIME is the first dedicated near-infrared (NIR) microlensing survey telescope, and is located at the South Af…
View article: Laboratory testing and characterization of a hybrid fast/slow readout mode for the H2RG detectors in SCALES
Laboratory testing and characterization of a hybrid fast/slow readout mode for the H2RG detectors in SCALES Open
The upcoming SCALES (Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy) instrument for W.M. Keck Observatory will enable new imaging and low-/mid-resolution coronagraphic integral field spectroscopic observations over the w…
View article: The Prime Focus Infrared Microlensing Experiment (PRIME): First Results
The Prime Focus Infrared Microlensing Experiment (PRIME): First Results Open
We present the description of the instruments and the first results of the PRime-focus Infrared Microlensing Experiment (PRIME). PRIME is the first dedicated near-infrared (NIR) microlensing survey telescope located at the South African As…
View article: Progress towards a megapixel linear-mode avalanche photodiode array for ultra-low background shortwave infrared astronomy
Progress towards a megapixel linear-mode avalanche photodiode array for ultra-low background shortwave infrared astronomy Open
Spectroscopy of Earth-like exoplanets and ultra-faint galaxies are priority science cases for the coming decades. Here, broadband source flux rates are measured in photons per square meter per hour, imposing extreme demands on detector per…
View article: L’Ralph: A Visible/Infrared Spectral Imager for the Lucy Mission to the Trojans
L’Ralph: A Visible/Infrared Spectral Imager for the Lucy Mission to the Trojans Open
The Lucy Mission to the Trojan asteroids in Jupiter’s orbit carries an instrument named L’Ralph, a visible/near infrared multi-spectral imager and a short wavelength infrared hyperspectral imager. It is one of the core instruments on Lucy,…
View article: First tests of a 1 megapixel near-infrared avalanche photodiode array for ultra-low background space astronomy
First tests of a 1 megapixel near-infrared avalanche photodiode array for ultra-low background space astronomy Open
Spectroscopy of Earth-like exoplanets and ultra-faint galaxies are priority science cases for the coming decades. Here, broadband source flux rates are measured in photons per square meter per hour, imposing extreme demands on detector per…
View article: Improved Reference Sampling and Subtraction: A Technique for Reducing the Read Noise of Near-infrared Detector Systems
Improved Reference Sampling and Subtraction: A Technique for Reducing the Read Noise of Near-infrared Detector Systems Open
Near-infrared array detectors, like the James Webb Space Telescope (JWST) NIRSpec's Teledyne's H2RGs, often provide reference pixels and a reference output. These are used to remove correlated noise. Improved reference sampling and subtrac…
View article: Detector control and data acquisition for the wide field infrared survey telescope (WFIRST) with a custom ASIC
Detector control and data acquisition for the wide field infrared survey telescope (WFIRST) with a custom ASIC Open
The Wide-Field Infrared Survey Telescope (WFIRST) will have the largest near-IR focal plane ever flown by NASA, a total of 18 4K x 4K devices. The project has adopted a system-level approach to detector control and data acquisition where 1…