Characterization of the UV detector of Solar Orbiter/Metis

Michela Uslenghi; Udo H. Schühle; Luca Teriaca; Klaus Heerlein; Stephan Werner

doi:10.1117/12.2274944

29 August 2017 Characterization of the UV detector of Solar Orbiter/Metis

Michela Uslenghi, Udo H. Schühle, Luca Teriaca, Klaus Heerlein, Stephan Werner

Proceedings Volume 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX; 103971K (2017) https://doi.org/10.1117/12.2274944
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

Metis, one of the instruments of the ESA mission Solar Orbiter (to be launched in February 2019), is a coronograph able to perform broadband polarization imaging in the visible range (580-640 nm), and narrow band imaging in UV (HI Lyman-α 121.6 nm) . The detector of the UV channel is an intensified camera, based on a Star-1000 rad-hard CMOS APS coupled via a 2:1 fiber optic taper to a single stage Microchannel Plate intensifier, sealed with an entrance MgF₂ window and provided with an opaque KBr photocathode. Before integration in the instrument, the UVDA (UV Detector Assembly) Flight Model has been characterized at the MPS laboratory and calibrated in the UV range using the detector calibration beamline of the Metrology Light Source synchrotron of the Physikalisch-Technische Bundesanstalt (PTB). Linearity, spectral calibration, and response uniformity at 121.6 nm have been measured. Preliminary results are reported in this paper.

Citation Download Citation

Michela Uslenghi, Udo H. Schühle, Luca Teriaca, Klaus Heerlein, and Stephan Werner "Characterization of the UV detector of Solar Orbiter/Metis", Proc. SPIE 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX, 103971K (29 August 2017); https://doi.org/10.1117/12.2274944

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