12x10 pixel superconducting tunnel junction array based spectro-photometer of optical astronomy

Didier D. E. Martin; Peter Verhoeve; Roland H. den Hartog; J. H.J. de Bruijne; A. P. Reynolds; Axel van Dordrecht; J. Verveer; Anthony J. Peacock

doi:10.1117/12.461013

7 March 2003 12x10 pixels superconducting tunnel junction array based spectro-photometer for optical astronomy

Didier D. E. Martin, Peter Verhoeve, Roland H. den Hartog, J. H.J. de Bruijne, A. P. Reynolds, Axel van Dordrecht, J. Verveer, Anthony J. Peacock

Author Affiliations +

Proceedings Volume 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes; (2003) https://doi.org/10.1117/12.461013
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

Superconducting Tunnel Junctions (STJs) have been extensively investigated as photon detectors covering the range from near-infrared to X-ray energies. A 6x6 array of Tantalum junctions has already been used in an optical spectro-photometer. With this camera, the European Space Agency has performed multiple astronomical observations of optical sources using the William Herschel 4.2m telescope at La Palma. Following the success of this program, we are now developing a second generation camera. The goals of this program are to increase the field of view of the instrument from 4"x4" to 11"x9", to optimize IR rejection filters, possibly extending the 'red' response to ~1μm and to increase the electronics readout speed. For these purposes, we are developing a new Superconducting Tunnel Junction Array consisting of 10x12 Tantalum/Aluminium devices as well as an improved readout system. In this paper, we review the instrument's architecture and describe the performance of the new detector.

Citation Download Citation

Didier D. E. Martin, Peter Verhoeve, Roland H. den Hartog, J. H.J. de Bruijne, A. P. Reynolds, Axel van Dordrecht, J. Verveer, and Anthony J. Peacock "12x10 pixels superconducting tunnel junction array based spectro-photometer for optical astronomy", Proc. SPIE 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes, (7 March 2003); https://doi.org/10.1117/12.461013

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