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Lock-in amplifier

Known as: Phase-sensitive detector, Phase sensitive detector, Lock in amplifier 
A lock-in amplifier is a type of amplifier that can extract a signal with a known carrier wave from an extremely noisy environment. Depending on the… 
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Related topics

Related topics

16 relations
AmplifierApplication programming interfaceBrowser user interfaceCarrier wave

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2013
Highly Cited
2013
Radiometry and the Friis transmission equation
To more effectively tailor courses involving antennas, wireless communications, optics, and applied electromagnetics to a mixed… 
Highly Cited
2008
Highly Cited
2008
Observation of two-photon emission from semiconductors
It is possible that when an electron relaxes from an excited state, it generates not one but two photons. Such two–photon… 
Highly Cited
2007
Highly Cited
2007
Surface Magneto-Optic Kerr Effect
A simple apparatus based on magneto-optic Kerr effe ct is described which is suitable for studying su rface magnetism of thin… 
Highly Cited
2006
Highly Cited
2006
Second harmonic generation from a nanopatterned isotropic nonlinear material
Second harmonic generation (SHG) from a nanopatterned isotropic nonlinear material (GaAs) located inside the subwavelength gaps… 
Highly Cited
2004
Highly Cited
2004
Piezoelectric Characterization of Individual Zinc Oxide Nanobelt Probed by Piezoresponse Force Microscope
Piezoresponse force microscopy (PFM) is used to measure the effective piezoelectric coefficient (d33) of an individual (0001… 
Highly Cited
2004
Highly Cited
2004
PDMS-based opto-fluidic micro flow cytometer with two-color, multi-angle fluorescence detection capability using PIN photodiodes
Highly Cited
2004
Highly Cited
2004
Inelastic Electron Tunneling Spectroscopy of an Alkanedithiol Self-Assembled Monolayer
Inelastic electron tunneling spectroscopy (IETS) of an alkanedithiol self-assembled monolayer (SAM) is investigated using a… 
Highly Cited
2000
Highly Cited
2000
Electron-spin-resonance STM on iron atoms in silicon
Electron-spin-resonance\char21{}scanning tunneling microscopy (ESR)-(STM) of iron atoms in silicon was observed: Si(111) surfaces… 
Highly Cited
1994
Highly Cited
1994
Frequency‐domain description of a lock‐in amplifier
The basic principles behind the operation of a lock‐in amplifier are described. Particular emphasis is placed on looking at the… 
Highly Cited
1991
Highly Cited
1991
Interferometric characterization of 160 fs far-infrared light pulses
We report the first interferometric characterization of freely propagating, subpicosecond, far‐infrared (FIR) light pulses. FIR… 
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