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Issue EAS Publications Series
Volume 37, 2009
Astrophysics Detector Workshop 2008
Page(s) 19 - 22
DOI 10.1051/eas/0937002
Published online 11 June 2009

Astrophysics Detector Workshop 2008
P. Kern (ed)
EAS Publications Series, 37 (2009) 19-22
DOI: 10.1051/eas/0937002

TES – Technology and Physics

P. de Korte

SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, 3584CA Utrecht, The Netherlands;

P.de.Korte@sron.nl

Published online: 11 June 2009

Abstract
This paper gives an overview of the potential of and developments on Transition Edge Sensors for astronomical research from Space. This type of sensor is under development for imaging X-ray spectrometers as well as for very sensitive InfraRed and sub-mm imaging detectors. This paper describes developments in Europe for the International X-ray Observatory IXO (ESA, JAXA, NASA) and for the SAFARI instrument on the Japanese IR-mission SPICA. 
The micro-calorimeter array for the IXO-mission will have an imaging array of at least 1024 pixels with high quantum efficiency in the 0.1–10 keV energy range and an energy resolution as small as 2 eV for each detected photon. The SAFARI instrument requires three imaging arrays with an optical Noise Equivalent Power (NEP) as low as $\leq 5 \times 10^{-19}~{\rm W}/\sqrt{\mathrm{Hz}}$ with a total amount of 5940 pixels to read a Fourier Transform Spectrometer. 
The paper is written to be read together with the presentation given at the Astrophysics Detector Workshop 2008, Nice 17–20 November 2008, France.



© EAS, EDP Sciences 2009


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