Publications by Francesco Merli

The Microloop-Gap Resonator: A Novel Miniaturized Microwave Cavity for Double-Resonance Rubidium Atomic Clocks

Anja Skrivervik, Francesco Merli, Maddalena Violetti

Nowadays mobile and battery-powered applications push the need for radically miniaturized and low-power frequency standards that surpass the stability achievable with quartz oscillators. For the miniaturization of double-resonance rubidium (Rb-87) atomic c ...

Institute of Electrical and Electronics Engineers2014

Compact High-Performance Continuous-Wave Double-Resonance Rubidium Standard With 1.4 x 10(-13) tau(-1/2) Stability

Anja Skrivervik, Francesco Merli, Camillo Stefanucci

We present our studies on a compact high-performance continuous wave (CW) double-resonance (DR) rubidium frequency standard in view of future portable applications. Our clock exhibits a short-term stability of 1.4 x 10(-13) tau(-1/2), consistent with the s ...

Institute of Electrical and Electronics Engineers2014

Medium-to long-term frequency stability of high-performance CW double-resonance Rb standard

Anja Skrivervik, Francesco Merli, Camillo Stefanucci

We present the short-term noise budget and metro-logical studies on the medium-to long-term stability of our Rb standard. Our clock exhibits a short-term stability of ∼ 1.4×10-13 τ-1/2. The dependance of microwave power shift on light intensity, and the po ...

IEEE2013

RoSe: A sub-GHz wireless sensor platform with housing integrated overmolded antenna

Anja Skrivervik, Jean-François Zürcher, Pierre-André Farine, Francesco Merli, Mitko Tanevski, Alexis Boegli

A wireless sensor platform for use in ultralow-power wireless sensor networks (WSNs) is presented. The proposed round sensor (RoSe) node is physically robust, is resistant to humidity, and has a housing that can be in direct contact with food. These charac ...

Institute of Electrical and Electronics Engineers2012

Laser-pumped high-performance compact gas-cell Rb standard with 2x10-13 tau-1/2 stability

Anja Skrivervik, Francesco Merli, Camillo Stefanucci

2012

Miniaturized microwave cavity for Rubidium atomic frequency standards

Anja Skrivervik, Jean-François Zürcher, Francesco Merli, Maddalena Violetti

2012

Example of data telemetry for biomedical applications: an in vivo experiment

Juan Ramon Mosig, Anja Skrivervik, Jean-François Zürcher, Léandre Bolomey, Eric Meurville, Yann Barrandon, Francesco Merli, François Gorostidi, Benjamin Fuchs

This letter describes a data telemetry biomedical experiment. An implant, consisting of a biometric data sensor, electronics, an antenna, and a biocompatible capsule, is described. All the elements were co-designed in order to maximize the transmission dis ...

Institute of Electrical and Electronics Engineers2012

Double-resonance in alkali vapor cells for high performance and miniature atomic clocks

Anja Skrivervik, Jean-François Zürcher, Francesco Merli, Maddalena Violetti, Camillo Stefanucci

2012

New miniaturized microwave cavity for Rubidium atomic clocks

Anja Skrivervik, Jean-François Zürcher, Francesco Merli, Maddalena Violetti

Nowadays there is an increasing need for radically miniaturized and low-power atomic frequency standards, for use in mobile and battery-powered applications. For the miniaturization of double-resonance (DR) Rubidium (Rb-87) atomic clocks, the size reductio ...

Ieee2012

Telemetry system for sensing applications in lossy media

Anja Skrivervik, Léandre Bolomey, Eric Meurville, Francesco Merli

Wireless communications in lossy media encounter growing interest, with applications as telemedicine, ground sensing, remote pipeline sensing, and food quality testing among others. As an application, an autonomous implantable Body Sensor Node for monitori ...

2011

Design, realization and measurements of a miniature antenna for implantable wireless communication systems

Anja Skrivervik, Jean-François Zürcher, Léandre Bolomey, Eric Meurville, Giancarlo Corradini, Francesco Merli

The design procedure, realization and measurements of an implantable radiator for telemetry applications are presented. First, free space analysis allows the choice of the antenna typology with reduced computation time. Subsequently the antenna, inserted i ...

Institute of Electrical and Electronics Engineers2011

Implantable Antennas for Biomedical Applications

Francesco Merli

Since the introduction of implantable pacemakers in the early 1960s, implantable medical devices have become more and more interesting for healthcare services. Nowadays, the devices designed to monitor physiological data from inside the human body have gre ...

EPFL2011

Robust ultra low power wireless sensor platform with embedded over-molded antenna

Anja Skrivervik, Jean-François Zürcher, Pierre-André Farine, Francesco Merli, Mitko Tanevski, Alexis Boegli

In this paper a new wireless sensor node intended for use in ultra-low power Wireless Sensor Networks (WSN) is presented. The node uses commercial of-the-shelf radio, microcontroller and a custom developed antenna embedded in the housing. Over-molding with ...

IEEE Instrumentation and Measurement Society2011

In vitro and in vivo operation of a wireless body sensor node

Anja Skrivervik, Léandre Bolomey, Eric Meurville, Yann Barrandon, Francesco Merli, François Gorostidi

2011

The effect of insulating layers on the performance of implanted antennas

Juan Ramon Mosig, Anja Skrivervik, Francesco Merli, Benjamin Fuchs

Institute of Electrical and Electronics Engineers2011

Design strategies for implantable antennas (Invited)

Anja Skrivervik, Francesco Merli

IEEE2011

On the efficient design, analysis and measurement of bio-implantable electrically small antennas

Anja Skrivervik, Francesco Merli

2010

Design and measurement considerations for implantable antennas for telemetry application

Anja Skrivervik, Francesco Merli

This work investigates the measurement of electrically small implantable antennas. Several radiators have been analyzed showing the importance of the feeding coaxial cable that is usually used for testing purposes. Simple solution to the problem is present ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Dual band antenna for subcutaneous telemetry applications

Anja Skrivervik, Léandre Bolomey, Eric Meurville, Francesco Merli

2010

3D-spiral small antenna for biomedical transmission operating within the MICS band

Juan Ramon Mosig, Anja Skrivervik, Jean-François Zürcher, Francesco Merli

2009