Thermal performance of a radiatively cooled system for quantum optomechanical experiments in space

Zanoni, André Pilan; Burkhardt, Johannes; Johann, Ulrich; Aspelmeyer, Markus; Kaltenbaek, Rainer; Hechenblaikner, Gerald

doi:10.1016/j.applthermaleng.2016.06.116

Cited by 17 publications

(21 citation statements)

References 38 publications

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“…Detailed thermal studies of the MAQRO shield design showed the feasibility of achieving the temperature and vacuum technical requirements of MAQRO [37]. A more detailed thermal study showed even better results [38]. A collaboration of the University of Vienna, the University of Bremen and Airbus Defence &Space, successfully implemented a high-finesse, adhesively bonded optical cavity using space-proof glue and ultra-low-expansion (ULE) material [39].…”

Section: The Case For Spacementioning

confidence: 99%

“…These results could be further improved in a more detailed thermal analysis. In particular, this was achieved by using reflective instead of refractive optics [38] -yielding a temperature of T e ∼ 25 K for the optical bench and T e ∼ 12 K for the test volume.…”

Section: Thermal-shield Structurementioning

confidence: 99%

“…For the original M3 proposal of MAQRO [26], we investigated the possibility of using a HEO. More recent investigations showed [38] that a HEO is no feasible alternative. Apart from possible issues with repeatedly crossing the van-Allen belt, a main issue for MAQRO would be thermal considerations.…”

Section: B Alternative Orbitsmentioning

confidence: 99%

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Macroscopic Quantum Resonators (MAQRO): 2015 update

Kaltenbaek

Aspelmeyer

Barker

et al. 2016

EPJ Quantum Technol.

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run), and the combination of low pressure ( < ∼ 10 −13 Pa) and low temperature ( < ∼ 20 K) while having full optical access. These conditions cannot be fulfilled with ground-based experiments. E. Technological heritage for MAQROMAQRO benefits from recent developments in space technology. In particular, MAQRO relies on technological heritage from LISA Pathfinder (LPF) [18], the LISA technology package (LTP) [19], GAIA[20], GOCE[21,22], Microscope [23,24] and the James Webb Space Telescope (JWST) [25]. The spacecraft, launcher, ground segment and orbit (L1/L2) are identical to LPF.The most apparent modifications to the LPF design are an external, passively cooled optical instrument thermally shielded from the spacecraft, and the use of two capacitive inertial sensors from ONERA technology. In addition, the propulsion system will be mounted differently to achieve the required low vacuum level at the external subsystem, and to achieve low thruster noise in one spatial direction. The additional optical instruments and the external platform will reach TRL 5 at the start of the BCD phases. For all other elements, the TRL is 6-9 because of the technological heritage from LPF and other missions.

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Section: The Case For Spacementioning

confidence: 99%

Section: Thermal-shield Structurementioning

confidence: 99%

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Macroscopic Quantum Resonators (MAQRO): 2015 update

Kaltenbaek

Aspelmeyer

Barker

et al. 2016

EPJ Quantum Technol.

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114

154

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“…in space, where complicated cryogenic setups are not feasible [50]. In addition, thanks to the ultralow mechanical dissipation, it is possible to push boundaries of applications in ultrasensitive (e.g., force) detection [51][52][53], as has recently been demonstrated [54].…”

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confidence: 99%

Mechanical Resonators for Quantum Optomechanics Experiments at Room Temperature

2016

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All quantum optomechanics experiments to date operate at cryogenic temperatures, imposing severe technical challenges and fundamental constraints. Here we present a novel design of onchip mechanical resonators which exhibit fundamental modes with frequencies f and mechanical quality factors Qm sufficient to enter the optomechanical quantum regime at room temperature. We overcome previous limitations by designing ultrathin, high-stress silicon nitride (Si3N4) membranes, with tensile stress in the resonators' clamps close to the ultimate yield strength of the material. By patterning a photonic crystal on the SiN membranes, we observe reflectivities greater than 99%. These on-chip resonators have remarkably low mechanical dissipation, with Qm∼10 8 , while at the same time exhibiting large reflectivities. This makes them a unique platform for experiments towards the observation of massive quantum behavior at room temperature.

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“…The MAQRO mission proposes to do just this, as illustrated in Fig. 10b), though of course a satellite based experiment comes with a whole new set of experimental and financial challenges [125][126][127]. FIG.…”

Section: A Interferometrymentioning

confidence: 99%

Optomechanics with levitated particles

et al. 2020

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Optomechanics is concerned with the use of light to control mechanical objects. As a field, it has been hugely successful in the production of precise and novel sensors, the development of low-dissipation nanomechanical devices, and the manipulation of quantum signals. Micro-and nano-particles levitated in optical fields act as nanoscale oscillators, making them excellent lowdissipation optomechanical objects, with minimal thermal contact to the environment when operating in vacuum. Levitated optomechanics is seen as the most promising route for studying high-mass quantum physics, with the promise of creating macroscopically separated superposition states at masses of 10 6 amu and above. Optical feedback, both using active monitoring or the passive interaction with an optical cavity, can be used to cool the centre-of-mass of levitated nanoparticles well below 1 mK, paving the way to operation in the quantum regime. In addition, trapped mesoscopic particles are the paradigmatic system for studying nanoscale stochastic processes, and have already demonstrated their utility in state-of-the-art force sensing. * Electronic address: james.millen@kcl.ac.uk arXiv:1907.08198v1 [physics.optics] 18 Jul 2019It is a pleasant coincidence, that whilst writing this review the Nobel Prize in Physics 2018 was jointly awarded to the American scientist Arthur Ashkin, for his development of optical tweezers. By focusing a beam of light, small objects can be manipulated through radiation pressure and/or gradient forces. This technology is now available offthe-shelf due to its applicability in the bio-and medical-sciences, where it has found utility in studying cells and other microscopic entities.The pleasant coincidences continue, when one notes that the 2017 Nobel Prize in Physics was awarded to Weiss, Thorne and Barish for their work on the LIGO gravitational wave detector. This amazingly precise experiment is, ultimately, an optomechanical device, where the position of a mechanical oscillator is monitored via its coupling to an optical cavity. The field of optomechanics is in the ascendency [1], showing great promise in the development of quantum technologies and force sensing. These applications are somewhat limited by unavoidable energy dissipation and thermal loading at the nanoscale [2], which despite impressive progress in soft-clamping technology [3] means that these technologies will likely always operate in cryogenic environments.Enter the work of Ashkin: he showed that dielectric particles could be levitated and cooled under vacuum conditions in 1977 [4]. By levitating particles at low pressures, they naturally decouple from the thermal environment, and since the mechanical mode is the centre-of-mass motion of a particle, energy dissipation via strain vanishes. The field of levitated optomechanics really took off in 2010, when three independent proposals illustrated that levitated nanoparticles could be coupled to optical cavities [5][6][7]. This promises cooling to the quantum regime, and state engineering once you are t...

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Thermal performance of a radiatively cooled system for quantum optomechanical experiments in space

Cited by 17 publications

References 38 publications

Macroscopic Quantum Resonators (MAQRO): 2015 update

Macroscopic Quantum Resonators (MAQRO): 2015 update

Mechanical Resonators for Quantum Optomechanics Experiments at Room Temperature

Optomechanics with levitated particles

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