Optical performance of prototype horn-coupled TES bolometer arrays for SAFARI

Audley, Michael D.; De Lange, Gert; Gao, J.R.; Khosropanah, Pourya; Hijmering, Richard A.; Ridder, Marcel L.

Optical performance of prototype horn-coupled TES bolometer arrays for SAFARI

Conference paper (2016)

Authors

Michael D. Audley SRON–Netherlands Institute for Space Research

Gert De Lange SRON–Netherlands Institute for Space Research

J.R. Gao QN/Gao Lab , SRON–Netherlands Institute for Space Research

Pourya Khosropanah SRON–Netherlands Institute for Space Research

Richard A. Hijmering SRON–Netherlands Institute for Space Research

Marcel L. Ridder SRON–Netherlands Institute for Space Research

Research Group

QN/Gao Lab

SAFARI Cryogenic illuminator Far-infrared bolometer Optical testing TES array Transition Edge Sensor Ultra-low background

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Published Date

2016

Language

English

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Research Group

QN/Gao Lab

Abstract

The SAFARI Detector Test Facility is an ultra-low background optical testbed for characterizing ultra-sensitive prototype horn-coupled TES bolmeters for SAFARI, the grating spectrometer on board the proposed SPICA satellite. The testbed contains internal cold and hot black-body illuminators and a light-pipe for illumination with an external source. We have added reimaging optics to facilitate array optical measurements. The system is now being used for optical testing of prototype detector arrays read out with frequency-domain multiplexing. We present our latest optical measurements of prototype arrays and discuss these in terms of the instrument performance.