Caliste HD: A new fine pitch Cd(Zn)Te imaging spectrometer from 2 keV up to 1 MeV

Aline Meuris; Olivier Limousin; Olivier Gevin; Francis Lugiez; Isabelle Le Mer; Frédéric Pinsard; Modeste Donati; Claire Blondel; Alicja Michalowska; Eric Delagnes; Marie Cécile Vassal; Fabrice Soufflet

doi:10.1109/NSSMIC.2011.6154695

Caliste HD: A new fine pitch Cd(Zn)Te imaging spectrometer from 2 keV up to 1 MeV

Aline Meuris^*, Olivier Limousin, Olivier Gevin, Francis Lugiez, Isabelle Le Mer, Frédéric Pinsard, Modeste Donati, Claire Blondel, Alicja Michalowska, Eric Delagnes, Marie Cécile Vassal, Fabrice Soufflet

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference paper

Abstract

Caliste HD is the last member of the Caliste family of Cd(Zn)Te micro-cameras for space applications. This hybrid component is made of the assembly of one 16 x 16 pixel Cd(Zn)Te detector and eight analog front-end ASIC named IDeF-X HD equipped with 32 spectroscopic channels. The pixels are 625 μm pitch and are surrounded by a 20 μm wide guard ring. The new generation of ASIC has the advantage of having a power consumption 4 times lower as the previous version (0.2 W for the full device) and offers the possibility to extend the dynamic range from 250 keV to 1 MeV. The technology is fully compliant with operation in space (tolerant to radiation, thermal and mechanical constraints). This paper presents the preliminary spectroscopic results obtained with the samples produced so far. At -16°C the sum spectrum built with all single events of the 1 mm-thick Al Schottky detector show an energy resolution of 0.82 keV FWHM at 14 keV and 0.92 keV FWHM at 60 keV. A good uniformity in gain and in noise is measured over the 256 pixels; the low level-threshold is lower than 2 keV for all pixels.

Original language	English
Title of host publication	2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011
Publisher	Institute of Electrical and Electronics Engineers
Pages	4485-4488
Number of pages	4
ISBN (Print)	9781467301183
DOIs	https://doi.org/10.1109/NSSMIC.2011.6154695
Publication status	Published - 2011
Externally published	Yes
Event	2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 - Valencia, Spain Duration: 23 Oct 2011 → 29 Oct 2011

Conference

Conference	2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011
Country/Territory	Spain
City	Valencia
Period	23/10/11 → 29/10/11

Keywords

detection
X-ray
radiation
low noise
Integrated circuits
front-end

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

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10.1109/NSSMIC.2011.6154695

Cite this

Meuris, A., Limousin, O., Gevin, O., Lugiez, F., Le Mer, I., Pinsard, F., Donati, M., Blondel, C., Michalowska, A., Delagnes, E., Vassal, M. C., & Soufflet, F. (2011). Caliste HD: A new fine pitch Cd(Zn)Te imaging spectrometer from 2 keV up to 1 MeV. In 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 (pp. 4485-4488). Article 6154695 Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/NSSMIC.2011.6154695

Caliste HD: A new fine pitch Cd(Zn)Te imaging spectrometer from 2 keV up to 1 MeV. / Meuris, Aline; Limousin, Olivier; Gevin, Olivier et al.
2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011. Institute of Electrical and Electronics Engineers, 2011. p. 4485-4488 6154695.

Research output: Chapter in Book/Report/Conference proceeding › Conference paper

Meuris, A, Limousin, O, Gevin, O, Lugiez, F, Le Mer, I, Pinsard, F, Donati, M, Blondel, C, Michalowska, A, Delagnes, E, Vassal, MC & Soufflet, F 2011, Caliste HD: A new fine pitch Cd(Zn)Te imaging spectrometer from 2 keV up to 1 MeV. in 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011., 6154695, Institute of Electrical and Electronics Engineers, pp. 4485-4488, 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011, Valencia, Spain, 23/10/11. https://doi.org/10.1109/NSSMIC.2011.6154695

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abstract = "Caliste HD is the last member of the Caliste family of Cd(Zn)Te micro-cameras for space applications. This hybrid component is made of the assembly of one 16 x 16 pixel Cd(Zn)Te detector and eight analog front-end ASIC named IDeF-X HD equipped with 32 spectroscopic channels. The pixels are 625 μm pitch and are surrounded by a 20 μm wide guard ring. The new generation of ASIC has the advantage of having a power consumption 4 times lower as the previous version (0.2 W for the full device) and offers the possibility to extend the dynamic range from 250 keV to 1 MeV. The technology is fully compliant with operation in space (tolerant to radiation, thermal and mechanical constraints). This paper presents the preliminary spectroscopic results obtained with the samples produced so far. At -16°C the sum spectrum built with all single events of the 1 mm-thick Al Schottky detector show an energy resolution of 0.82 keV FWHM at 14 keV and 0.92 keV FWHM at 60 keV. A good uniformity in gain and in noise is measured over the 256 pixels; the low level-threshold is lower than 2 keV for all pixels.",

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Caliste HD: A new fine pitch Cd(Zn)Te imaging spectrometer from 2 keV up to 1 MeV

Abstract

Conference

Keywords

ASJC Scopus subject areas

Access to Document

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