Ultrasonics without a source: thermal fluctuation correlations at MHz frequencies.

By Richard Weaver, O. Lobkis. Physical Review Letters, 2001

647 citations recorded by the source corpus.

Subfields: Oceanography, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/0b33d76df587f589b1aa17b9b62a1f5f1eb5b115

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Citations in the corpus

Interferometry by deconvolution. Part 1 -Theory for acoustic waves and numerical examples (2008, background): “Weaver and Lobkis, 2001; Wapenaar et al., 2004; Weaver and Lobkis, 2004".”
Processing seismic ambient noise data to obtain reliable broad-band surface wave dispersion measurements (2007, neutral): “Weaver & Lobkis 2001a, b, 2004; Derode et al. 2003; Snieder 2004; Wapenaar 2004; Larose et al. 2005).”
Seismic interferometry-turning noise into signal (2006, background): “Weaver and Lobkis (2001) demonstrated this conjecture for ultrasound waves by calculating that the long-term average of random noise in an aluminum block yields the timedomain impulse response between the two points.”
Focusing the wavefield inside an unknown 1D medium: Beyond seismic interferometry (2012, background): “First, with seismic interferometry (Weaver and Lobkis, 2001; Wapenaar et al., 2005; Curtis et al., 2006; Schuster, 2009) it is possible to retrieve the response to a virtual source inside the medium with a receiver at the position where the virtual source is to be created, assuming the medium is…”
Retrieving the Green’s function in an open system by cross correlation : A comparison of approaches (L) (2005, background): “Since the work of Weaver and Lobkis (2001; 2001), many researchers have shown theoretically and experimentally that the cross-correlation of the recordings of a diffuse wave field at two receiver positions yields the Green’s function between these positions.”
Improved ambient noise correlation functions using Welch's method (2012, neutral): “Multisensor ambient noise analyses have been applied to a variety of subjects including ultrasonics (Weaver & Lobkis 2001; Larose 2006), helioseismology (Duvall et al. 1993; Rickett & Claerbout 1999, 2000), ocean acoustics (Roux & Kupperman 2005), engineering (Kohler et al. 2005; Snieder & Safak…”
Assessment of resolution and accuracy of the Moving Window Cross Spectral technique for monitoring crustal temporal variations using ambient seismic noise (2011, methodology): “…the cross-correlation of records of a random seismic wave field taken at various locati ns within a region of interest ⋆ MWCS: assessment of resolution and accuracy3 (Weaver & Lobkis 2001; Lobkis & Weaver 2001; Campillo & Paul 2003; Shapiro & Campillo 2004; Shapiro et al. 2005; Sabra et al. 2005).”
Using instantaneous phase coherence for signal extraction from ambient noise data at a local to a global scale (2011, background): “A large amount of recent publications show the different applications in fields such as ultra sound (Weaver & Lobkis 2001; Derode et al. 2003) helio seismology (Duvall et al. 1993; Rickett & Claerbout 1999, 2000), fault and volcano monitoring (Sens-Schönfelder & Wegler 2006; Wegler &…”
Seismic and electromagnetic controlled‐source interferometry in dissipative media (2008, neutral): “…p̂+ and p̂− are the down going and up going wave fields, respectively (the Fourier transform of a time-dependent function f (t) is defined as f̂ (ω) =∫ ∞ −∞ f (t) exp(− jωt)dt, where j is the imaginary unit and ω denotes the angular frequency, which is taken as non-negative throughout this paper).”
Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise (2004, positive): “…functions from the diffuse wavefield has been successfully applied in helioseismol-ogy [e.g., Duvall et al. , 1993; Kosovichev et al. , 2000; Rickett and Claerbaut , 2000], in ultrasonics [e.g., Weaver and Lobkis , 2001a, 2001b; Derode et al. , 2003], and in marine acoustics [ Roux et al. , 2003].”
Local Helioseismology: Three-Dimensional Imaging of the Solar Interior (2010, background): “Various experiments and observations (e.g. Shapiro et al. 2005, Weaver & Lobkis 2001) have shown that the cross-covariance is intimately connected to the Green’s function, G, i.e. the response of the medium to an impulsive source.”
Tutorial on seismic interferometry: Part 1 — Basic principles and applications (2010, positive): “Early successful results of Green’s function retrieval from noise correlations were obtained in the field of ultrasonics Weaver and Lobkis (2001, 2002).”
3‐D surface wave tomography of the Piton de la Fournaise volcano using seismic noise correlations (2007, positive): “[ 5 ] In the field of ultrasonics, it has been shown both theoretically and experimentally that a random wavefield has correlations which, on average, take the form of the Green’s function of the media [ Weaver and Lobkis , 2001; Lobkis and Weaver , 2001].”