Homodyne detection

Applied sciences
Électrotechnique
Télécommunications
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Publications associées (19)

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New insights into ROS dynamics: a multi-layered microfluidic chip for ecotoxicological studies on aquatic microorganisms

Olivier Martin, Christian Santschi, Volodymyr Koman, Nadia Rachel Von Moos

Reactive oxygen species (ROS) play an important role in the life of every cell, including cellular defense and signaling mechanisms. Continuous and quantitative ROS sensing can provide valuable information about the cell state, but it remains a challenge t ...

Informa Healthcare2016

Passive UHF RFID Systems for Capacitive Sensing Applications

Kerem Kapucu

In this work, a complete passive UHF RFID system for capacitive sensing applications is developed to be used in food quality monitoring and supply chain management. All the components of the RFID system including the base station, the base station antenna, ...

EPFL2015

Voltammetric Detection of Hg2+ Using Peptide-Functionalized Polymer Brushes

Harm-Anton Klok, Maarten Danial

Polymer brushes grafted by surface-initiated atom transfer radical polymerization (SI-ATRP) from the surface of Ir-based microelectrode arrays are explored as a platform for the fabrication of sensory coatings for the voltammetric detection of Hg2+. The po ...

Csiro Publishing2012

Current-induced vortex dynamics and pinning potentials probed by homodyne detection

Using a homodyne detection scheme, we show that we can determine the polarity and chirality of a magnetic vortex in an asymmetric magnetic disk as well as the resonance frequency and phase shift of the dynamic vortex gyration excited by a spin-polarized cu ...

2010

Dynamic Actuation of Magnetic Beads for Immunoassays on-chip

Yves Moser

This thesis was carried out in the frame of the European project DetectHIV aiming the development of a new biosensor platform for the highly sensitive detection of the HIV capsid protein p24. We explore the implementation of a magnetic bead-based lab-on-a- ...

EPFL2010

A New Sensitive Detection Scheme for Helium Nanodroplet Isolation Spectroscopy: Application to Benzene

Marcel Drabbels, Evgeniy Loginov, Andreas Braun

A new method is presented for recording excitation spectra of molecules embedded in helium nanodroplets. The method relies on the complete evaporation of the droplets following excitation of an dissolved molecule and the subsequent detection of the remaini ...

Royal Society of Chemistry2008

Laterally vibrating-body double gate MOSFET with improved signal detection

Mihai Adrian Ionescu, Marco Mazza, Dimitrios Tsamados, Daniel Grogg, Nicoleta-Diana Ciressan, Hüseyin Cumhur Tekin

Laterally vibrating-body double-gate MOSFET that shows a +30 dB signal increase compared to an identical resonator operating with pure capacitive detection is reported. The double-gate MOSFET is fabricated on SOI substrate with silicon film thickness of 1. ...

2008

Phase-locked Fourier domain optical coherence tomography

Adrian Bachmann

Fourier or spectral domain optical coherence tomography (FDOCT) is a multi-dimensional interferometric imaging modality that has attracted increasing interest during the last few years. The reason is its outstanding sensitivity allowing high speed 2D and 3 ...

EPFL2007

Extended focus depth for Fourier domain optical coherence microscopy

Theo Lasser, Martin Villiger, Rainer Leitgeb, Lukas Steinmann, Adrian Bachmann

We report on a new detection scheme for Fourier domain optical coherence microscopy that exhibits high transverse resolution along an axially extended focal range. Nearly constant transverse resolution of ∼1.5 μm along a focal range of 200 μm is experiment ...

2006

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