You are here
A novel approach to filling miniature atomic clock cells
This new method, which gains flexibility, paves the way for large-scale production of atomic sensors.
In recent years, the development of miniature atomic instruments with high sensitivity and accuracy such as clocks or magnetometers is experiencing a real boom. Miniature atomic clocks are intended for example for telecommunications or navigation equipment. These instruments are generally based on the interrogation of a set of alkaline atoms in vapour phase within a cell of millimetre dimensions, generated by micro-fabrication techniques and composed of glass and silicon. One of the difficulties lies in filling these cells with various species (alkaline metals and buffer gases) while preserving the purity and stability of their internal atmosphere over time.
In this context, the work published by FEMTO-ST in Nature Microsystems & Nanoengineering and entitled "Wafer-level vapor cells filled with laser-actuated hermetic seals for integrated atomic devices" proposes a new cell filling technique, inspired by those used for the realization of traditional centimetric glass cells produced by glass blowing, but adapted to microfabrication techniques. This technique is based on micro devices structured in glass and silicon similar to valves that can be operated by laser.
See INSIS/CNRS news
Contact : Nicolas Passilly
-
Robotic assembly of the smallest house in the world
the handling and assembly capabilities of nanocomponents of the "μRobotex" platform make the buzz on the net and in the international press through the origami manufacturing of a micro-house at the end of an optical fiber whose dimensions are less than the diameter of a hair.
Read more
-
International Day of Light 2018
Following the success of the International Year of Light, which highlighted the importance of light-based science and technology and generated more than 13,000 activities in 147 countries, UNESCO proclaimed May 16 as the International Day of Light.
Read more
Enrico Rubiola honored at IFCS 2018
Enrico Rubiola will receive the W. G. Cady Award at the IFCS 2018 on May 24th.
Read more
L'institut FEMTO-ST partenaire d'un programme européen Marie-Curie H2020 Innovative Training Networ
The department of Optics of the FEMTO-ST research institute in Besançon
in France currently has a vacancy for 2 3-years Ph.D positions working in
the development of mid-infrared and ultraviolet supercontinuum fiber sources within the
Read more
FACS 2016 - The 13th International Conference on Formal Aspects of Component Software
The DISC department, organizer of the 13th International Conference on FACS.
Read more
Special issue of Comptes Rendus Physique on phononic crystals
The May 2016 issue of Comptes Rendus Physique (an international peer-reviewed journal of the French Academy of Sciences), is devoted to phononic crystals. This special issue was coordinated by Vincent Laude.
Read more
Paper prize at the international conference VPPC 2014
At the International IEEE "Vehicle Power and Propulsion Conference" conference held in Coimbra, Portugal from 27 to 30 October 2014, “Hybrid & Fuel Cell Systems” Research Team of Femto-ST Institute won the Paper Prize for the paper titled “Energy management of an hybrid electrical vehicule in degraded operation”
Read more
A book about flexible robotics co-written by Nicolas Chaillet
The objective of the book "Flexible Robotics: Applications to Multiscale Manipulations" is to provide those interested in the field of flexible robotics with an overview of several scientific and technological advances in the practical field of robotic manipulation.
Read more
Pages