Alexandros Giatzoglou passes his VIVA
Congratulations to Alex on successfully passing his VIVA! His thesis Towards laser cooling and trapping of unstable Caesium atoms will be available soon. Alex will now permantently move to his new position as Quantum Sensors Research Scientist at RAL Space. Best of luck!
Luca Marmugi's talk at the ILIMA Plenary Meeting
Luca will present the latest updates on An experimental facility for ultra-cold Cs isotopes and isomers - Current status and future possibilities at the annual ILIMA Plenary Meeting at GSI in Darmstadt (Germany), in the context of the NuSTAR Annual Meeting 2019. Luca's talk will be at 2 pm local time. Read the full timetable.
New paper: A cold atom radio-frequency magnetometer
Our first paper of 2019 is published: A cold atom radio-frequency magnetometer - the most sensitive reported thus far in non-degenerated gases - is now available on Applied Physics Letters. Our results open up new perspectives for atomic magnetometry with high spatial resolution.
Y. Cohen, K. Jadeja, S. Sula, M. Venturelli, C. Deans, L. Marmugi, F. Renzoni, A cold atom radio-frequency magnetometer, Appl. Phys. Lett. 114, 073505 (2019)
Cameron Deans on the FASS initiative and our research for a security scanner based on atomic magnetometers
Cameron was interviewed by DASA during the FASS showcase in London. Watch his interview here and the full report below.
Our research prototype for a novel airport scanner based on atomic magnetometers on the BBC News website
We showcased our prototype realised within the FASS initiative at the DASA FASS Showcase in London. Read the story online: Future of airport security on show in London.
Cameron Deans passes his VIVA
Congratulations to Cameron on his brilliant VIVA. Cameron will continue his work in our group as a post-doctoral research associate. Cameron's thesis Electromagnetic induction imaging with atomic magnetometers will be available soon.
New paper on sub-Fourier sensitivity in quantum driven systems
Our latest paper Avoided Crossing and sub-Fourier-sensitivity in Driven Quantum Systems has just appeared in Physical Review Letters. In this work, we identify a mechanism based on avoided crossing between Floquet states in driven quantum systems to break the bandwidth limit posed by the interaction time.
David Cubero, Gordon R. M. Robb, Ferruccio Renzoni, Avoided Crossing and sub-Fourier-sensitivity in Driven Quantum Systems, Phys. Rev. Lett. 121, 213904 (2018)
Benjamin Maddox is our new PhD student
Welcome to Benjamin Maddox, who joins our group today, after his undegraduate studies at Birmingham and a project at NPL.
Ferruccio Renzoni's talk on our ultra-cold nuclear matter project at SSNET'18
Ferruccio will present the latest updates on our on-going project at the Shapes and Symmetries in Nuclei: from Experiment to Theory Conference (SSNET'18) in Gif-sur-Yvette (France). Ferruccio's talk Towards ultra-cold gases of Caesium, progress and perspectives will be in Session 7E, today at 14:25.
Sindi Sula joins our group as a PhD student
Welcome back to Sindi Sula, who joins today our group a PhD student. Sindi did her MSci final project with us, contributing to assembly a new setup for laser cooling of caesium. She will now continue her work for the next three years.
Our group at the UCLQ Quantum Event
Our group will participate to the UCLQ Annual Industry Event – A Global Innovation Centre in the Heart of London, a networking opportunity for researchers, industry, and investors at Barbican Centre (London). Dr Luca Marmugi will present a talk on A New Quantum Sensing Platform: Atomic Magnetometers and Induction Imaging. Full program available here.
Cameron Deans's talk at the Strathclyde Innovation Symposium on Optically Pumped Magnetometers
Cameron will present his research on A New Multi-Purpose Quantum Imaging Platform: Atomic Magnetometers and Induction Imaging at the 1st Strathclyde Innovation Symposium on Optically Pumped Magnetometers, at Ross Priory (Glasgow). Full programme is available here.
Our latest paper: on our facility for laser cooling of Cs isotopes and isomers at University of Jyväskylä
Our most recent paper A facility for production and laser cooling of cesium isotopes and isomers has just appeared in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. A pre-print version is also freely available on ArXiv.
A. Giatzoglou, T. Poomaradee, I. Pohjalainen, S. Rinta-Antila, I. D. Moore, P. M. Walker, L. Marmugi, F. Renzoni, A facility for production and laser cooling of cesium isotopes and isomers, Nucl. Instrum. Methods Phys. Res. A 908, 367–375 (2018)
Michela Venturelli moves to company job
Our freshly-graduated Michela starts today a new adventure in the private sector. Best of luck to her!
Luca Marmugi's talk on ultra-cold Cs isomers at the 2018 Zakopane Conference in Nuclear Physics
Luca will give a talk tomorrow on Towards Ultra-cold Gases of Caesium Isomers: Progress and perspectives at the Zakopane Conference on Nuclear Physics 2018 (53rd in the series of the Zakopane Schools in Physics) in Zakopane (Poland). This year's theme is "Extremes of the Nuclear Landscape". The detailed programme and the book of abstracts are available online.
Sub-pT widely tunable atomic magnetometer operating at room-temperature in unshielded environments
Our paper Sub-picotesla widely tunable atomic magnetometer operating at room-temperature in unshielded environments is now officially published in Review of Scientific Instruments. A pre-print version is also available on ArXiv.
C. Deans, L. Marmugi, F. Renzoni, Sub-picotesla widely tunable atomic magnetometer operating at room-temperature in unshielded environments, Rev. Sci. Instr. 89, 8, 083111 (2018)
Steelwork structural imaging with atomic magnetometers
A new paper, demonstrating non-destructive imaging of the structural integrity of steelwork with an atomic magnetometer - for example to monitor corrosion under insulation (CUI) - has just been published in Applied Physics Letters. This work was done in collaboration with our colleagues at NPL, and it is part of our research on non-destructive evaluation with atomic magnetometers. A pre-print version is also available on ArXiv.
P. Bevington, R. Gartman, W. Chalupczak, C. Deans, L. Marmugi, F. Renzoni, Non-destructive structural imaging of steelwork with atomic magnetometers, Appl. Phys. Lett. 113, 6, 063503 (2018)
Atomic magnetometry section updated
A few updates in the Electromagnetic imaging with atomic magnetometers section... More news and updates will arrive soon!
Michela Venturelli passes her VIVA
Congratulations to Michela on successfully completing her VIVA with minor corrections. Michela's thesis will be posted soon.
New paper in Physical Review E - Asymptotic theory of quasiperiodically driven quantum systems
Our latest paper has just been published in Physical Review E. Asymptotic theory of quasiperiodically driven quantum systems is available here and on ArXiv.
D. Cubero and F. Renzoni, Asymptotic theory of quasiperiodically driven quantum systems, Phys. Rev. E 97, 062139 (2018)
Luca Marmugi's lecture on applications of atomic magnetometers to imaging
Luca will give today two lectures on the recent field of electromagnetic induction imaging with atomic magnetometers at the Ph. D. School in Experimental Physics of the University of Siena (Italy). Lectures will be held in Room 5 (Auditorium) of the Physics Section of the Department of Physical Sciences, Earth and Environment (via Roma 56, 53100 Siena) at 2 pm and 3 pm.
Details and programme (English and Italian versions available) can be found here.
The best poster at EURORIB 2018 is by Alexandros Giatzoglou
Alexandros's poster Towards laser cooling and trapping of unstable Cs nuclei was awarded the first prize in the EURORIB 2018 posters' competition.
Well done, Alex!
New preprint available: imaging of semiconductor wafers
We have demonstrated imaging of 10 mm thick semiconductor samples, and direct classification of their doping level. Our preprint Atomic Magnetometry-Based Electromagnetic Imaging of Low-conductivity Semiconductors is available on arXiv.
Soliman Edris passes his VIVA
Congratulations to Soliman for his successful VIVA and best of luck for his future career.
Our radioactive cold atoms project featured on CORDIS website
Our project for laser cooling and trapping of radioactive atoms and Luca's H2020 Marie Curie Fellowship are presented in a "Result in Brief" article appeared on the European Commission CORDIS website.
Read the story online: Gamma-ray laser moves a step closer to reality.
Our research featured in Physics World
Our research on remote detection of underwater targets with atomic magnetometers has been featured by the IOP journal Physics World.
Read the story online: Atomic magnetometers detect underwater objects.
New preprint available: a sub-pT unshielded atomic magnetometer
Our latest preprint, Sub-picotesla widely-tunable atomic magnetometer operating at room-temperature in unshielded environments, is available on arXiv.
Our latest paper chosen as Applied Optics Editor's Pick
Our paper Active Underwater Detection with an Array of Atomic Magnetometers, recently appeared in Applied Optics, has been highlighted as an Editor's Pick by the Applied Optics Editorial Office.
New paper in Applied Optics
Our paper Active Underwater Detection with an Array of Atomic Magnetometers is now published in Applied Optics. We demonstrate - for the first time - MIT with a planar array of atomic magnetomter for detecting and locating submerged non-magnetic targets. Real-time tracking is also demonstrated in this short video.
C. Deans, L. Marmugi, and F. Renzoni, Active Underwater Detection with an Array of Atomic Magnetometers, Appl. Opt. 57, 10, 2346-2351 (2018)
Andrea Loreti goes back to Positron and Positronium
Andrea has concluded his research with our group, and he will move back soon to his first passion. Andrea will join the UCL Positron&Positronium group.
Our research featured on the STFC website
Our recent paper on generation of coherent gamma photons in a Bose-Einstein condesate of isomeric caesium has been featured on the Science & Technology Facilities Council website!
Read the story online: UK researchers take a very cool step towards a gamma-ray laser
Jenelle Rajroop passes her VIVA
Congratulations to Jenelle for her successful VIVA. Jenelle's dissertation will be available soon in the Theses section.
Best of luck for her future career!
New preprint available: Active detection of underwater non-magnetic targets
Our most recent manuscript, Active Underwater Detection with an Array of Atomic Magnetometers has been accepted for publication. A preprint version is currently available on here.
Yuval and Krishna's first trip to Finland
They have succesfully made it to Finland and back! See updates and photos from our life in Finland by visiting the Photos section.
New paper in Physical Review Letters
Our paper on machine learning-enhanced electromagnetic induction imaging with atomic magnetometers has been just published in Physical Review Letters.
C. Deans, L. D. Griffin, L. Marmugi, and F. Renzoni, Machine learning based localization and classification with atomic magnetometers, Phys. Rev. Lett. 120, 033204 (2018)
Sarah Hussain passes her VIVA
Congratulations to Sarah on passing her VIVA! Sarah's dissertation on Application of Quantum Magnetometers to Security and Defence Screening will be available soon in the Theses section.
All the best to Sarah for her future career!
A few upgrades
Now you can find us more easily, thanks to our new map, and you can also cite us more easily, thanks to the BibTeX files of our papers and our expanded Publications section.
New paper in Physics Letters B
Our latest paper on a new collective mechanism for producing coherent gamma photons from a 135mCs Bose-Einstein condensate has been published in Physics Letters B.
The official reference is:
L. Marmugi, Philip M. Walker, and F. Renzoni, Coherent gamma photon generation in a Bose–Einstein condensate of 135mCs, Phys. Lett. B 777, 281-285 (2018)
Roberta Guilizzoni successfully completes her VIVA
Congratulations to Roberta on her successful VIVA! Her dissertation on A resonant system for electromagnetic induction imaging of concealed conductive targets will be available soon.
Roberta will now permanently leave for a research position in the Electronic and Magnetic Materials group at the National Physical Laboratory. Good luck!
Electromagnetic imaging with atomic magnetometers gets a boost
Our paper Machine learning based localization and classification with atomic magnetometers has been just accepted by Physical Review Letters.
News from from Finland
We have just obtained new results in our journey towards ultra-cold nuclear matter, and a new milestone for the EU MSCA project "GAMMALAS". More will follow!
The National Quantum Technologies Showcase 2017
Our group will be present at The National Quantum Technologies Showcase 2017 at the Queen Elizabeth II Conference Centre, Broad Sanctuary, London, SW1P 3EE. We will present our research on imaging and sensing with atomic magnetometers.
The event is organised by EPSRC, in collaboration with the National Network of Quantum Technology Hubs and the other National Programme Partners; Innovate UK, BEIS, National Physical Laboratory (NPL), Defence Science and Technology Laboratory (DSTL), National Cyber Security Centre (NCSC), and the Knowledge Transfer Network (KTN).
Homepage and Photo section redesigned
We have redesigned the homepage, and added tags to the news entries. The photo section was changed for improved readability and faster loading. Have a look!
Our atomic magnetometer hits 102 fT/Hz1/2 in unshielded environment
It's official: our Rb atomic magnetometer has reached a sensensitivity of 102 fT/Hz1/2. This makes it one of the most sensitive single sensor atomic magnetometers in unshielded environments.
More details will come soon...
Ferruccio Renzoni's talk on nuclear ultra-cold matter at SSNET'17 in Paris
Ferruccio will present today an invited talk on Ultra-cold gas of 135mCs isomers: Progress and perspectives at the Shapes and Symmetries in Nuclei: from Experiment to Theory Conference (SSNET'17) in Paris. Full programme is available here.
Talk on imaging with atomic magnetometers
Cameron will present our research on Imaging with atomic magnetometers at the next UCL Physics Postgraduate Society talk on 09/11/2017 at 6 pm. Room E3/E7, UCL Physics Building, London WC1E 6BT.
New website online
Our new website is finally online!
Lecture on conductivity mapping of the heart
Luca Marmugi will give a lecture on Magnetic Induction Tomography of the Heart with Atomic Magnetometers for UCL second year Physics undergraduates. The lecture will be later on available on Lecturecast.
Vacancies section now open
New pages for the website: we have just added the Work With Us section. Please, check it regularly for information on availability of positions in our group.
Machine learning and atomic magnetometers: new paper on ArXiv
Our pre-print paper on the first application of machine learning to imaging with atomic magnetometers has just appeared in ArXiv .
C. Deans, L. D. Griffin, L. Marmugi, and F. Renzoni, Machine learning based localization and classification with atomic magnetometers, arXiv:1710.06629 (2017).
Visit and Talk by Prof Iain Moore
Prof Iain Moore (University of Jyväskylä), one of our collaborators for the ultra-cold nuclear matter experiment and spokesperson of the IGISOL collaboration visited our laboratories in London today. Iain gave a very interesting talk "Optical spectroscopy for nuclear and atomic science at JYFL, Finland" in the context of the AMOPP group weekly talks.
Krishna Jadeja and Yuval Cohen join our group!
We are happy to welcome Krishna and Yuval to our group. Krishna studied at UCL, Yuval studied in Birmingham, and they both begin today their four year PhD. Krishna and Yuval will join the ultra-cold nuclear matter experiment.
A class of the high school Wilhelm-Filchner-Schule of Wolfhagen (Germany) visits our laboratories.
Cameron Deans to present his research at the UCLQ Annual Event: Engineering a Quantum Future
Cameron will present today a poster on his research on Conductivity mapping of biological tissues with atomic magnetometers at the UCLQ Annual Event: Engineering a Quantum Future, IDEA London, 69 Wilson Street, London EC2A 2BB.
Raffaele Nolli passes his VIVA
Congratulations to Raffaele on successfully passing his VIVA.
Raffaele's thesis Rubidium 87 Bose Einstein condensate in a driven 1D optical lattice will be available soon.
Best wishes to Raffaele for his future endeavours!
Time for changes in Finland
Everything is ready for our second major upgrade in the our ultra-cold nuclear matter experiment. Check out also our latest photos.
New paper in Optics Express
A new paper on EMI imaging with atomic magnetometers has been published in Optics Express.
C. Deans, L. Marmugi, and F. Renzoni, Through-barrier electromagnetic imaging with an atomic magnetometer Opt. Express 25, 15, 17911-17917 (2017) DOI: 10.1364/OE.25.017911.
Our work featured in the UCL Physics and Astronomy Annual Review
Our work on electromagnetic induction imaging with atomic magnetometers is featured on page 31 of the 2016-2017 Annual Review of the UCL Department of Physics and Astronomy... Go and check on page 27 as well: we made it to the cover of "Research Spotlight"!
Bonus trivia: can you spot us on the steps?
Talk at OSA Imaging and Applied Optics 2017
Cameron Deans will give a talk entitled Electromagnetic induction imaging with atomic magnetometers on Tuesday 27th June at 15:15, in the Imaging Systems and Applications session of the OSA Imaging and Applied Optics 2017 conference in San Francisco (USA).
Talk at The Royal Free Hospital, London
Luca Marmugi will give an invited Research Talk at the Division of Surgery and Interventional Science. Luca will report on Atomic Magnetometers for Magnetic Induction Tomography of the Heart on 22nd May at 12:00, at The Royal Free Hospital Campus.
Dr Andrea Loreti joins our group
We have a new member of the group, Dr Andrea Loreti. Andrea will join us a PDRA for five months. He will work on a portable sensor based on Magnetic Induction Tomography (MIT) with Atomic Magnetometers.
Quantum Hub Sensors and Metrology meeting in Glasgow
We will participate to the UK National Quantum Technology Hub in Sensors and Metrology Meeting in Glasgow on 21st-22nd February 2017. Luca Marmugi will present a poster Towards Conductivity Maps of Biological Tissues with Atomic Magnetometers on 22nd February.
Our paper among the most cited articles of Applied Physics Letters
Our paper Electromagnetic induction imaging with a radio-frequency atomic magnetometer, Appl. Phys. Lett. 108, 10, 103503 (2016), DOI: 10.1063/1.4943659 has been listed among the Most Cited Applied Physics Letters Papers in 2016.
Electromagnetic induction imaging with a radio-frequency atomic magnetometer
One of the most cited articles published in Applied Physics Letters last year.Posted by AIP Publishing on Monday, February 6, 2017
Brendan Darrer passes his VIVA
Congratulations to Brendan Darrer on successfully passing his VIVA.
Brendan's thesis Electromagnetic induction imaging through metallic shields can be found here and will be soon available in our Theses section.
New paper in Applied Optics
Our paper Remote detection of rotating machinery with a portable atomic magnetometer has been published in Applied Optics.
L. Marmugi, L. Gori, S. Hussain, C. Deans, and F. Renzoni, Appl. Opt. 56, 3, 743-749 (2017) DOI: 10.1364/AO.56.000743.
UCL AMOPP Talk on Atomic Magnetometers for MIT
The next UCL AMOPP Talk will be given by Luca Marmugi on Wednesday 11th January in Physics A1 at 16:00. Luca will talk about Electromagnetic Induction Imaging with Atomic Magnetometers: A Novel Multi-Purpose Sensing Platform.
Ferruccio's new book is now available
The book Brownian ratchets: from statistical physics to bio- and nano-motors by David Cubero and Ferruccio Renzoni is now available at Cambridge University Press.