activity
20042009
most citedA room temperature 19-channel magnetic field mapping device for cardiac signals

189 citations · 320 across the 7 of their papers we have counts for

collaborators

7 papers

physics.ins-det2009★ 189 cited

A room temperature 19-channel magnetic field mapping device for cardiac signals

G. Bison, N. Castagna, A. Hofer +5

We present a multichannel cardiac magnetic field imaging system built in Fribourg from optical double-resonance Cs vapor magnetometers. It consists of 25 individual sensors designe…

physics.atom-ph2008★ 71 cited

A large sample study of spin relaxation and magnetometric sensitivity of paraffin-coated Cs vapor cells

N. Castagna, G. Bison, G. Di Domenico +5

We have manufactured more than 250 nominally identical paraffin-coated Cs vapor cells (30 mm diameter bulbs) for multi-channel atomic magnetometer applications. We describe our ded…

physics.atom-ph2006★ 6 cited

Reconciliation of experimental and theoretical electric tensor polarizabilities of the cesium ground state

S. Ulzega, A. Hofer, P. Moroshkin +1

We present a new theoretical analysis of the strongly suppressed F- and M-dependent Stark shifts of the Cs ground state hyperfine structure. Our treatment uses third order perturba…

physics.atom-ph2006★ 7 cited

Spectroscopy of Rb dimers in solid He

P. Moroshkin, A. Hofer, S. Ulzega +1

We present experimental and theoretical studies of the absorption, emission and photodissociation spectra of Rb molecules in solid helium. We have identified 11 absorption ba…

physics.atom-ph2006★ 20 cited

Rb*He_n exciplexes in solid 4_He

A. Hofer, P. Moroshkin, D. Nettels +2

We report the observation of emission spectra from Rb*He_n exciplexes in solid 4He. Two different excitation channels were experimentally identified, viz., exciplex formation via l…

physics.atom-ph2006★ 3 cited

Stark effect of the cesium ground state: electric tensor polarizability and shift of the clock transition frequency

S. Ulzega, A. Hofer, P. Moroshkin +1

We present a theoretical analysis of the Stark effect in the hyperfine structure of the cesium ground-state. We have used third order perturbation theory, including diagonal and of…