9 research outputs found
CARIOQA: Definition of a Quantum Pathfinder Mission
A strong potential gain for space applications is expected from the
anticipated performances of inertial sensors based on cold atom interferometry
(CAI) that measure the acceleration of freely falling independent atoms by
manipulating them with laser light. In this context, CNES and its partners
initiated a phase 0 study, called CARIOQA, in order to develop a Quantum
Pathfinder Mission unlocking key features of atom interferometry for space and
paving the way for future ambitious space missions utilizing this technology.
As a cornerstone for the implementation of quantum sensors in space, the
CARIOQA phase 0 aimed at defining the Quantum Pathfinder Mission's scenario and
associated performance objectives. To comply with these objectives, the payload
architecture has been designed to achieve long interrogation time and active
rotation compensation on a BEC-based atom interferometer. A study of the
satellite architecture, including all the subsystems, has been conducted.
Several technical solutions for propulsion and attitude control have been
investigated in order to guarantee optimal operating conditions (limitation of
micro-vibrations, maximization of measurement time). A preliminary design of
the satellite platform was performed.Comment: Proceedings of International Conference on Space Optics (ICSO) 2022;
3-7 October 2022; Dubrovnik; Croati
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Sources of stakeholder salience in the responsible investment movement: why do investors sign the Principles for Responsible Investment?
Since its inception in 2006, the United Nations-backed Principles for Responsible Investment (PRI) have grown to over 1300 signatories representing over $45 trillion. This growth is not slowing down. In this paper, we argue that there is a set of attributes which make the PRI salient as a stakeholder and its claim to sign the six PRI important to institutional investors. We use Mitchell et al.âs (Acad Manag Rev 22:853â886, 1997) theoretical framework of stakeholder salience, as extended by Gifford (J Bus Eth 92:79â97, 2010). We use as evidence confidential data from the annual survey of signatories carried out by the PRI in a 5-year period between 2007 and 2011. The findings highlight pragmatic and organizational legitimacy, normative and utilitarian power, and management values as the attributes that contribute most to the salience of the PRI as a stakeholder
CARIOQA: Definition of a Quantum Pathfinder Mission
Proceedings of International Conference on Space Optics (ICSO) 2022; 3-7 October 2022; Dubrovnik; CroatiaA strong potential gain for space applications is expected from the anticipated performances of inertial sensors based on cold atom interferometry (CAI) that measure the acceleration of freely falling independent atoms by manipulating them with laser light. In this context, CNES and its partners initiated a phase 0 study, called CARIOQA, in order to develop a Quantum Pathfinder Mission unlocking key features of atom interferometry for space and paving the way for future ambitious space missions utilizing this technology. As a cornerstone for the implementation of quantum sensors in space, the CARIOQA phase 0 aimed at defining the Quantum Pathfinder Mission's scenario and associated performance objectives. To comply with these objectives, the payload architecture has been designed to achieve long interrogation time and active rotation compensation on a BEC-based atom interferometer. A study of the satellite architecture, including all the subsystems, has been conducted. Several technical solutions for propulsion and attitude control have been investigated in order to guarantee optimal operating conditions (limitation of micro-vibrations, maximization of measurement time). A preliminary design of the satellite platform was performed
CARIOQA: Definition of a Quantum Pathfinder Mission
Proceedings of International Conference on Space Optics (ICSO) 2022; 3-7 October 2022; Dubrovnik; CroatiaA strong potential gain for space applications is expected from the anticipated performances of inertial sensors based on cold atom interferometry (CAI) that measure the acceleration of freely falling independent atoms by manipulating them with laser light. In this context, CNES and its partners initiated a phase 0 study, called CARIOQA, in order to develop a Quantum Pathfinder Mission unlocking key features of atom interferometry for space and paving the way for future ambitious space missions utilizing this technology. As a cornerstone for the implementation of quantum sensors in space, the CARIOQA phase 0 aimed at defining the Quantum Pathfinder Mission's scenario and associated performance objectives. To comply with these objectives, the payload architecture has been designed to achieve long interrogation time and active rotation compensation on a BEC-based atom interferometer. A study of the satellite architecture, including all the subsystems, has been conducted. Several technical solutions for propulsion and attitude control have been investigated in order to guarantee optimal operating conditions (limitation of micro-vibrations, maximization of measurement time). A preliminary design of the satellite platform was performed
CARIOQA: Definition of a Quantum Pathfinder Mission
Proceedings of International Conference on Space Optics (ICSO) 2022; 3-7 October 2022; Dubrovnik; CroatiaA strong potential gain for space applications is expected from the anticipated performances of inertial sensors based on cold atom interferometry (CAI) that measure the acceleration of freely falling independent atoms by manipulating them with laser light. In this context, CNES and its partners initiated a phase 0 study, called CARIOQA, in order to develop a Quantum Pathfinder Mission unlocking key features of atom interferometry for space and paving the way for future ambitious space missions utilizing this technology. As a cornerstone for the implementation of quantum sensors in space, the CARIOQA phase 0 aimed at defining the Quantum Pathfinder Mission's scenario and associated performance objectives. To comply with these objectives, the payload architecture has been designed to achieve long interrogation time and active rotation compensation on a BEC-based atom interferometer. A study of the satellite architecture, including all the subsystems, has been conducted. Several technical solutions for propulsion and attitude control have been investigated in order to guarantee optimal operating conditions (limitation of micro-vibrations, maximization of measurement time). A preliminary design of the satellite platform was performed