Search Results - "Paltauf, Guenther"

Photoacoustic tomography reveals structural and functional cardiac images of animal models by Paltauf, Guenther

“…Three-dimensional photoacoustic tomography synchronized with an electrocardiogram provides highly resolved images of a beating heart with optical absorption…”
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Laser ultrasound wave pattern analysis for efficient defect detection in samples with curved surfaces by Saurer, Markus, Paltauf, Guenther, Nuster, Robert

“…Many production processes involve curved sample surfaces, such as welding or additive manufacturing. These pose new challenges to characterization methods for…”
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Piezoelectric line detector array for photoacoustic tomography by Paltauf, Guenther, Hartmair, Petra, Kovachev, Georgi, Nuster, Robert

“…Photoacoustic tomography relies on a dense coverage of the surface surrounding the imaged object with ultrasound sensors in order to enable an accurate…”
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Efficient testing of weld seam models with radii of curvature in the millimeter range using laser ultrasound by Saurer, Markus, Paltauf, Guenther, Nuster, Robert

“…Laser ultrasound is a widely used tool for industrial quality assurance when a contactless and fast method is required. In this work, we used a laboratory…”
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Photoacoustic computational ghost imaging by Torke, Paul R, Nuster, Robert, Paltauf, Guenther

“…Photoacoustic imaging with optical resolution usually requires a single-pixel raster scan. An alternative approach based on illumination with patterns obtained…”
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High resolution three-dimensional photoacoutic tomography with CCD-camera based ultrasound detection by Nuster, Robert, Slezak, Paul, Paltauf, Guenther

“…A photoacoustic tomograph based on optical ultrasound detection is demonstrated, which is capable of high resolution real-time projection imaging and fast…”
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Artifact removal in photoacoustic section imaging by combining an integrating cylindrical detector with model-based reconstruction by Paltauf, Guenther, Nuster, Robert

“…Photoacoustic section imaging reveals optically absorbing structures within a thin slice of an object. It requires measuring acoustic waves excited by…”
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Modeling photoacoustic imaging with a scanning focused detector using Monte Carlo simulation of energy deposition by Paltauf, Guenther, Torke, Paul R, Nuster, Robert

“…Photoacoustic imaging using a focused, scanning detector in combination with a pulsed light source is a common technique to visualize light-absorbing…”
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Combined photoacoustic, pulse-echo laser ultrasound, and speed-of-sound imaging using integrating optical detection by Wurzinger, Gerhild, Nuster, Robert, Paltauf, Guenther

“…A purely optical setup for the coregistration of photoacoustic (PA), ultrasound (US), and speed-of-sound (SOS) section images is presented. It extends a…”
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Femtosecond-laser-induced nanocavitation in water: implications for optical breakdown threshold and cell surgery by Vogel, Alfred, Linz, Norbert, Freidank, Sebastian, Paltauf, Günther

“…We determined the bubble radius R_(max) for femtosecond optical breakdown in water at 347, 520, and 1040 nm with an unprecedented accuracy (+/-10 nm). At…”
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Stealth ryanodine-sensitive Ca2+ release contributes to activity of capacitative Ca2+ entry and nitric oxide synthase in bovine endothelial cells by Paltauf-Doburzynska, J, Posch, K, Paltauf, G, Graier, W F

“…The involvement of ryanodine-sensitive Ca 2+ release (RsCR) in bradykinin (Bk)-induced Ca 2+ release, capacitative Ca 2+ entry (CCE) and nitric oxide synthase…”
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Conical ring array detector for large depth of field photoacoustic macroscopy by Torke, Paul R., Nuster, Robert, Paltauf, Guenther

“…Photoacoustic microscopy and macroscopy (PAM) using focused detector scanning are emerging imaging methods for biological tissue, providing high resolution and…”
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Full field detection in photoacoustic tomography by Nuster, Robert, Zangerl, Gerhard, Haltmeier, Markus, Paltauf, Günther

“…Imaging the full acoustic field around an object by use of an optical phase contrast method is used to accelerate the data acquisition in photoacoustic…”
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Comparison of Piezoelectric and Optical Projection Imaging for Three-Dimensional In Vivo Photoacoustic Tomography by Nuster, Robert, Paltauf, Günther

“…Ultrasound sensor arrays for photoacoustic tomography (PAT) are investigated that create line projections of the pressure generated in an object by pulsed…”
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Photoacoustic section imaging with an integrating cylindrical detector by Gratt, Sibylle, Passler, Klaus, Nuster, Robert, Paltauf, Guenther

“…A piezoelectric detector with a cylindrical shape is investigated for photoacoustic section imaging. Images are acquired by rotating a sample in front of the…”
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Hybrid photoacoustic and ultrasound section imaging with optical ultrasound detection by Nuster, Robert, Schmitner, Nicole, Wurzinger, Gerhild, Gratt, Sibylle, Salvenmoser, Willi, Meyer, Dirk, Paltauf, Guenther

“…A setup is proposed that provides perfectly co‐registered photoacoustic (PA) and ultrasound (US) section images. Photoacoustic and ultrasound backscatter…”
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Deblurring algorithms accounting for the finite detector size in photoacoustic tomography by Roitner, Heinz, Haltmeier, Markus, Nuster, Robert, O'Leary, Dianne P, Berer, Thomas, Paltauf, Guenther, Grün, Hubert, Burgholzer, Peter

“…Most reconstruction algorithms for photoacoustic tomography, like back projection or time reversal, work ideally for point-like detectors. For real detectors,…”
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High resolution three-dimensional photoacoustic tomography with CCD-camera based ultrasound detection by Nuster, Robert, Slezak, Paul, Paltauf, Guenther

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Simultaneous three-dimensional photoacoustic and laser-ultrasound tomography by Wurzinger, Gerhild, Nuster, Robert, Schmitner, Nicole, Gratt, Sibylle, Meyer, Dirk, Paltauf, Günther

“…A tomographic setup that provides the co-registration of photoacoustic (PA) and ultrasound (US) images is presented. For pulse-echo US-tomography laser-induced…”
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Downstream Fabry-Perot interferometer for acoustic wave monitoring in photoacoustic tomography by Nuster, Robert, Gruen, Hubert, Reitinger, Bernhard, Burgholzer, Peter, Gratt, Sibylle, Passler, Klaus, Paltauf, Guenther

“…An optical detection setup consisting of a focused laser beam fed into a downstream Fabry-Perot interferometer (FPI) for demodulation of acoustically generated…”
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