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The MAIUS Sounding Rocket Missions – Recent Results, Lessons Learned and Future Activities

Jens Große, Stephan Seidel, Maike Diana Lachmann, Dennis Becker, Anderas Wenzlawski, Vladimir Schkolnik, Aline N. Dinkelaker, Ortwin Hellmig, Hauke Müntinga, Michael Elsen, Henning Ahlers, Benjamin Weps, Thijs Wendrich, Andreas Stamminger, Markus Krutzik, Achim Peters, Patrick Windpassinger, Ernst Maria Rasel, Claus Braxmaier

Published Sep 1, 2017• 0 citations
OpenAlex

Abstract

The QUANTUS consortium started activities to perform atom interferometry on a sounding rocket in the year 2011. Three sounding rocket missions (MAIUS-1 to 3) have been planned to demonstrate Bose-Einstein condensation and atom interferometry with rubidium and potassium atoms. Two different payloads MAIUS-A and MAIUS-B are being designed, qualified and integrated in the time frame from 2011 until 2020. The MAIUS-A scientific payload demonstrated the first Bose-Einstein Condensates in Space in the challenging environment aboard a two-staged VSB-30 sounding rocket on the 23rd of January 2017. In order to achieve this ambitious scientific goal the experiment used various sensitive instruments imposing strong requirements on the thermal and mechanical design of the scientific payload. This paper gives a summary of the MAIUS-A and MAIUS-B scientific payload design. Furthermore, the lessons learned from the MAIUS-1 maiden flight as well as the integration and testing activities and their impact on the MAIUS-B scientific payload design are presented. The paper closes with an outlook on future atom interferometry payloads on sounding rockets and beyond.

Related papers

THERMAL CONTROL SYSTEM FOR THE MAIUS ATOM INTERFEROMETER PAYLOADS ON A VSB-30 SOUNDING ROCKET

Jens Große, Claus Braxmaier, Quantus-Team

The QUANTUS consortium started activities to perform atom interferometry on a sounding rocket in the year 2011. Three sounding rocket missions (MAIUS-1 to MAIUS-3) have been planned to demonstrate BoseEinstein condensation and atom interferometry with rubidium and potassium atoms. Two different payloads MAIUS-A and MAIUS-B have been designed qualified and integrated in the time frame from 2011 until 2020. The MAIUS-A scientific payload is capable of performing single species experiment with rubidium only and was used as a technology demonstrator in the MAIUS-1 mission. The MAIUS-1 mission was conducted in fall 2016. On the 23rd of January 2017 the payload MAIUS-A was launched on a VSB-30 sounding rocket. The payload created the first Bose-Einstein condensate (BEC) and performed atom interferometry aboard a sounding rocket with rubidium 87 atoms [Becker 2018]. Its successor MAIUS-B will be able to perform simultaneous experiments with Bose-Einstein Condensates of Rubidium-87 and Potassium-41 atoms. In order to achieve this ambitious scientific goal the experiments use various sensitive instruments imposing strong requirements on the thermal and mechanical design of the scientific payload. This paper gives a summary of the MAIUS-A and MAIUS-B scientific payload design with a focus on the thermal control system. Furthermore, the design of the GSE and the water cooling umbilicals is presented. The paper closes with an outlook on future atom interferometry payloads on sounding rockets and beyond.

•Jun 17, 2019•0 citations

SECAMP - Student Experiments with Cold Atoms on Micro- and Hypergravity Platforms

Jens Große, Philipp Laschewski, Bradley Lockett +7 more

The QUANTUS consortium started activities to perform atom interferometry on a sounding rocket in the year 2011. Three sounding rocket missions (MAIUS-1 to 3) have been planned to demonstrate Bose-Einstein condensation and atom interferometry with rubidium and potassium atoms. Two different payloads MAIUS-A and MAIUS-B are being designed, qualified and integrated in the time frame from 2011 until 2020. Based on this heritage the “Student Experiments with Cold Atoms for Microgravity Platforms” (SECAMP) project has been started at the University of Bremen. The scope of the project is to design and built a payload for student experiments with cold atoms on multiple micro-gravity and hyper-gravity platforms. The apparatus shall allow the generation of a molasses of Rubidium-87 atoms and observation of the cooled atoms through fluorescence imaging in three perpendicular axes. This will enable detecting the movement of the atoms due to (residual) accelerations once the magneto-optical trap is switched off. As such the setup will form a simple accelerometer. The payload shall be designed to be suitable for operation on hyperbolic flights, the drop tower, sounding rockets and centrifuges allowing the participants to apply for the manifold national and European student programs on these platforms. This talk will give an overview on the current design and the requirements imposed by the different platforms. Moreover the student team and their role in the project will be presented and the current status of the project will be highlighted.

•Oct 1, 2018•1 citation

FINAL DESIGN OF THE MAIUS-2/3 PAYLOAD AN ATOM INTERFEROMETER ON ASOUNDING ROCKET

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In January 2017 a first sounding rocket mission housing experiments on matter-wave interferometry, MAIUS-1 (Materiewellen-Interferometrie unter Schwerelosigkeit Matter-Wave Interferometry under Microgravity), has been launched. Following this campaign, two sounding rocket missions, MAIUS-2 and MAIUS-3, are planned to perform sequential and simultaneous dual-species atom interferometry with Bose-Einstein condensates (BEC) of Potassium-41 and Rubidium-87. The scientific payload of the MAIUS missions will be launched on-board a VSB-30 sounding rocket launched from Esrange in Sweden. The ights of these rockets allows for approximately 360 s of microgravity conditions. It therefore overs a microgravity environment for experiments on timescales not accessible in ground based experiments, such as in the drop tower. During ascent of the rocket, vibrational loads of up to 1.8 g RMS in the frequency range of 20- 2000 Hz and accelerations of up to 13 g can occur. Furthermore, static loads, caused by the re-entry and the landing, can be as high as 50 g. Both missions MAIUS-2 and MAIUS-3 y the same payload, called MAIUS-B. Consequently, the payload needs to be designed to withstand the aforementioned loads

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The MAIUS-1 experiment is a pathfinder quantum optics experiment about to fly on a VSB-30 sounding rocket in November 2015. The scientific objective of the mission is to demonstrate the feasibility of creating a Bose-Einstein Condensate and performing atom interferometry aboard a sounding rocket with Rubidium 87atoms. This paper will summarize the thermal and mechanical design of the payload and its (sub)systems. Moreover the qualification procedures and the results of the qualification test will be presented.

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André Kubelka-Lange, Sven Herrmann, Jens Große +3 more

Bose-Einstein-Condensates (BECs) can be used as a very sensitive tool for experiments on fundamental questions in physics like testing the equivalence principle using matter wave interferometry. Since the sensitivity of these experiments in ground-based environments is limited by the available free fall time, the QUANTUS project started to perform BEC interferometry experiments in micro-gravity. After successful campaigns in the drop tower, the next step is a space-borne experiment. The MAIUS-mission will be an atom-optical experiment that will show the feasibility of experiments with ultra-cold quantum gases in microgravity in a sounding rocket. The experiment will create a BEC of 10(5) (87)Rb-atoms in less than 5 s and will demonstrate application of basic atom interferometer techniques over a flight time of 6 min. The hardware is specifically designed to match the requirements of a sounding rocket mission. Special attention is thereby spent on the appropriate magnetic shielding from varying magnetic fields during the rocket flight, since the experiment procedures are very sensitive to external magnetic fields. A three-layer magnetic shielding provides a high shielding effectiveness factor of at least 1000 for an undisturbed operation of the experiment. The design of this magnetic shielding, the magnetic properties, simulations, and tests of its suitability for a sounding rocket flight are presented in this article.

Review of Scientific Instruments•Jun 1, 2016•29 citations

Entwicklung einer hocheffektiven Magnetfeldabschirmung für die Forschungsraketenmission MAIUS-1

André Kubelka-Lange

The goal of the MAIUS-1 sounding rocket mission is the realization of the first Bose-Einstein-Condensate and following atom interferometry measurements in space. The hardware of this experiment is specifically designed to match the requirements of a sounding rocket mission. Since the different techniques to create a Bose-Einstein-Condensate like magneto-optical traps and the following atom interferometry methods are very sensitive to external magnetic fields, a effective magnetic shielding is necessary. In this work the design and also the magnetic properties and flight-readiness test procedures are described in great detail. The three-layer magnetic shielding provides a high shielding effectiveness factor of S 1000 for an undisturbed operation of the experiment. With this magnetic shielding it was possible to create the first Bose-Einstein-Condensate in space during the flight of the MAIUS-1 sounding rocket.

•Jan 1, 2018•0 citations
The QUANTUS consortium started activities to perform atom interferometry on a sounding rocket in the year 2011. Three sounding rocket missions (MAIUS-1 to 3) have been planned to demonstrate Bose-Einstein condensation and atom interferometry with rubidium and potassium atoms. Two different payloads MAIUS-A and MAIUS-B are being designed, qualified and integrated in the time frame from 2011 until 2020. The MAIUS-A scientific payload demonstrated the first Bose-Einstein Condensates in Space in the challenging environment aboard a two-staged VSB-30 sounding rocket on the 23rd of January 2017. In order to achieve this ambitious scientific goal the experiment used various sensitive instruments imposing strong requirements on the thermal and mechanical design of the scientific payload. This paper gives a summary of the MAIUS-A and MAIUS-B scientific payload design. Furthermore, the lessons learned from the MAIUS-1 maiden flight as well as the integration and testing activities and their impact on the MAIUS-B scientific payload design are presented. The paper closes with an outlook on future atom interferometry payloads on sounding rockets and beyond.
The QUANTUS consortium started activities to perform atom interferometry on a sounding rocket in the year 2011. Three sounding rocket missions (MAIUS-1 to MAIUS-3) have been planned to demonstrate BoseEinstein condensation and atom interferometry with rubidium and potassium atoms. Two different payloads MAIUS-A and MAIUS-B have been designed qualified and integrated in the time frame from 2011 until 2020. The MAIUS-A scientific payload is capable of performing single species experiment with rubidium only and was used as a technology demonstrator in the MAIUS-1 mission. The MAIUS-1 mission was conducted in fall 2016. On the 23rd of January 2017 the payload MAIUS-A was launched on a VSB-30 sounding rocket. The payload created the first Bose-Einstein condensate (BEC) and performed atom interferometry aboard a sounding rocket with rubidium 87 atoms [Becker 2018]. Its successor MAIUS-B will be able to perform simultaneous experiments with Bose-Einstein Condensates of Rubidium-87 and Potassium-41 atoms. In order to achieve this ambitious scientific goal the experiments use various sensitive instruments imposing strong requirements on the thermal and mechanical design of the scientific payload. This paper gives a summary of the MAIUS-A and MAIUS-B scientific payload design with a focus on the thermal control system. Furthermore, the design of the GSE and the water cooling umbilicals is presented. The paper closes with an outlook on future atom interferometry payloads on sounding rockets and beyond.
The QUANTUS consortium started activities to perform atom interferometry on a sounding rocket in the year 2011. Three sounding rocket missions (MAIUS-1 to 3) have been planned to demonstrate Bose-Einstein condensation and atom interferometry with rubidium and potassium atoms. Two different payloads MAIUS-A and MAIUS-B are being designed, qualified and integrated in the time frame from 2011 until 2020. Based on this heritage the “Student Experiments with Cold Atoms for Microgravity Platforms” (SECAMP) project has been started at the University of Bremen. The scope of the project is to design and built a payload for student experiments with cold atoms on multiple micro-gravity and hyper-gravity platforms. The apparatus shall allow the generation of a molasses of Rubidium-87 atoms and observation of the cooled atoms through fluorescence imaging in three perpendicular axes. This will enable detecting the movement of the atoms due to (residual) accelerations once the magneto-optical trap is switched off. As such the setup will form a simple accelerometer. The payload shall be designed to be suitable for operation on hyperbolic flights, the drop tower, sounding rockets and centrifuges allowing the participants to apply for the manifold national and European student programs on these platforms. This talk will give an overview on the current design and the requirements imposed by the different platforms. Moreover the student team and their role in the project will be presented and the current status of the project will be highlighted.
In January 2017 a first sounding rocket mission housing experiments on matter-wave interferometry, MAIUS-1 (Materiewellen-Interferometrie unter Schwerelosigkeit Matter-Wave Interferometry under Microgravity), has been launched. Following this campaign, two sounding rocket missions, MAIUS-2 and MAIUS-3, are planned to perform sequential and simultaneous dual-species atom interferometry with Bose-Einstein condensates (BEC) of Potassium-41 and Rubidium-87. The scientific payload of the MAIUS missions will be launched on-board a VSB-30 sounding rocket launched from Esrange in Sweden. The ights of these rockets allows for approximately 360 s of microgravity conditions. It therefore overs a microgravity environment for experiments on timescales not accessible in ground based experiments, such as in the drop tower. During ascent of the rocket, vibrational loads of up to 1.8 g RMS in the frequency range of 20- 2000 Hz and accelerations of up to 13 g can occur. Furthermore, static loads, caused by the re-entry and the landing, can be as high as 50 g. Both missions MAIUS-2 and MAIUS-3 y the same payload, called MAIUS-B. Consequently, the payload needs to be designed to withstand the aforementioned loads
The MAIUS-1 experiment is a pathfinder quantum optics experiment about to fly on a VSB-30 sounding rocket in November 2015. The scientific objective of the mission is to demonstrate the feasibility of creating a Bose-Einstein Condensate and performing atom interferometry aboard a sounding rocket with Rubidium 87atoms. This paper will summarize the thermal and mechanical design of the payload and its (sub)systems. Moreover the qualification procedures and the results of the qualification test will be presented.
Bose-Einstein-Condensates (BECs) can be used as a very sensitive tool for experiments on fundamental questions in physics like testing the equivalence principle using matter wave interferometry. Since the sensitivity of these experiments in ground-based environments is limited by the available free fall time, the QUANTUS project started to perform BEC interferometry experiments in micro-gravity. After successful campaigns in the drop tower, the next step is a space-borne experiment. The MAIUS-mission will be an atom-optical experiment that will show the feasibility of experiments with ultra-cold quantum gases in microgravity in a sounding rocket. The experiment will create a BEC of 10(5) (87)Rb-atoms in less than 5 s and will demonstrate application of basic atom interferometer techniques over a flight time of 6 min. The hardware is specifically designed to match the requirements of a sounding rocket mission. Special attention is thereby spent on the appropriate magnetic shielding from varying magnetic fields during the rocket flight, since the experiment procedures are very sensitive to external magnetic fields. A three-layer magnetic shielding provides a high shielding effectiveness factor of at least 1000 for an undisturbed operation of the experiment. The design of this magnetic shielding, the magnetic properties, simulations, and tests of its suitability for a sounding rocket flight are presented in this article.
The goal of the MAIUS-1 sounding rocket mission is the realization of the first Bose-Einstein-Condensate and following atom interferometry measurements in space. The hardware of this experiment is specifically designed to match the requirements of a sounding rocket mission. Since the different techniques to create a Bose-Einstein-Condensate like magneto-optical traps and the following atom interferometry methods are very sensitive to external magnetic fields, a effective magnetic shielding is necessary. In this work the design and also the magnetic properties and flight-readiness test procedures are described in great detail. The three-layer magnetic shielding provides a high shielding effectiveness factor of S 1000 for an undisturbed operation of the experiment. With this magnetic shielding it was possible to create the first Bose-Einstein-Condensate in space during the flight of the MAIUS-1 sounding rocket.