sCMOS detector for imaging VNIR spectrometry

Andreas Eckardt; Ralf Reulke; Horst Schwarzer; Holger Venus; Christian Neumann

doi:10.1117/12.2021361

23 September 2013 sCMOS detector for imaging VNIR spectrometry

Andreas Eckardt, Ralf Reulke, Horst Schwarzer, Holger Venus, Christian Neumann

Proceedings Volume 8870, Imaging Spectrometry XVIII; 88700G (2013) https://doi.org/10.1117/12.2021361
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The facility Optical Information Systems (OS) at the Robotics and Mechatronics Center of the German Aerospace Center (DLR) has more than 30 years of experience with high-resolution imaging technology. This paper shows the scientific results of the institute of leading edge instruments and focal plane designs for EnMAP VIS/NIR spectrograph. EnMAP (Environmental Mapping and Analysis Program) is one of the selected proposals for the national German Space Program. The EnMAP project includes the technological design of the hyper spectral space borne instrument and the algorithms development of the classification. The EnMAP project is a joint response of German Earth observation research institutions, value-added resellers and the German space industry like Kayser-Threde GmbH (KT) and others to the increasing demand on information about the status of our environment. The Geo Forschungs Zentrum (GFZ) Potsdam is the Principal Investigator of EnMAP. DLR OS and KT were driving the technology of new detectors and the FPA design for this project, new manufacturing accuracy and on-chip processing capability in order to keep pace with the ambitious scientific and user requirements. In combination with the engineering research, the current generations of space borne sensor systems are focusing on VIS/NIR high spectral resolution to meet the requirements on earth and planetary observation systems. The combination of large swath and high spectral resolution with intelligent synchronization control, fast-readout ADC chains and new focal-plane concepts open the door to new remote-sensing and smart deep space instruments. The paper gives an overview over the detector verification program at DLR on FPA level, new control possibilities for sCMOS detectors in global shutter mode and key parameters like PRNU, DSNU, MTF, SNR, Linearity, Spectral Response, Quantum Efficiency, Flatness and Radiation Tolerance will be discussed in detail.

Citation Download Citation

Andreas Eckardt, Ralf Reulke, Horst Schwarzer, Holger Venus, and Christian Neumann "sCMOS detector for imaging VNIR spectrometry", Proc. SPIE 8870, Imaging Spectrometry XVIII, 88700G (23 September 2013); https://doi.org/10.1117/12.2021361

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