Academic literature on the topic 'Non-linear interferometry'

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Journal articles on the topic "Non-linear interferometry"

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Paterova, Anna V., Dmitry A. Kalashnikov, Egor Khaidarov, et al. "Non-linear interferometry with infrared metasurfaces." Nanophotonics 10, no. 6 (2021): 1775–84. http://dx.doi.org/10.1515/nanoph-2021-0011.

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Abstract The optical elements comprised of sub-diffractive light scatterers, or metasurfaces, hold a promise to reduce the footprint and unfold new functionalities of optical devices. A particular interest is focused on metasurfaces for manipulation of phase and amplitude of light beams. Characterisation of metasurfaces can be performed using interferometry, which, however, may be cumbersome, specifically in the infrared (IR) range. Here, we realise a new method for characterising metasurfaces operating in the telecom IR range using accessible components for visible light. Correlated IR and vi
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Bakon, Matus, Daniele Perissin, Milan Lazecky, and Juraj Papco. "Infrastructure Non-linear Deformation Monitoring Via Satellite Radar Interferometry." Procedia Technology 16 (2014): 294–300. http://dx.doi.org/10.1016/j.protcy.2014.10.095.

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Jundt, G., G. T. Purves, C. S. Adams, and I. G. Hughes. "Non-linear Sagnac interferometry for pump-probe dispersion spectroscopy." European Physical Journal D - Atomic, Molecular and Optical Physics 27, no. 3 (2003): 273–76. http://dx.doi.org/10.1140/epjd/e2003-00275-5.

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Ogushi, Fumitaka, Masashi Matsuoka, Marco Defilippi, and Paolo Pasquali. "Implementation of Non-Linear Non-Parametric Persistent Scatterer Interferometry and Its Robustness for Displacement Monitoring." Sensors 21, no. 3 (2021): 1004. http://dx.doi.org/10.3390/s21031004.

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To derive surface displacement, interferometric stacking with synthetic aperture radar (SAR) data is commonly used, and this technique is now in the implementation phase in the real world. Persistent scatterer interferometry (PSI) is one of the most universal approaches among in- terferometric stacking techniques, and non-linear non-parametric PSI (NN-PSI) was proposed to overcome the drawbacks of PSI approaches. The estimation of the non-linear displacements was successfully conducted using NN-PSI. However, the estimation of NN-PSI is not always stable with certain displacements because wider
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Gosálbez, J., A. Carrión, C. Gallardo, and J. Madrigal. "Non-contact Non-linear Impact Resonance Acoustic Spectroscopy for thermal damage characterization on mortar samples." Journal of Physics: Conference Series 2822, no. 1 (2024): 012107. http://dx.doi.org/10.1088/1742-6596/2822/1/012107.

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Abstract The high sensitivity of the nonlinear terms of the elastic response of materials to the incipient appearance of damage has led to the appearance of the Non-linear Elastic Wave Spectroscopy methods (NEWS). Particularly, the Non-linear Impact Resonance Acoustic Spectroscopy (NIRAS) technique detects changes in the resonance of a material (frequency, damping factor, etc.) as a function of the intensity of the impact. Traditionally, mechanical waves have been monitored using an external sensor in contact with the material. Currently, alternative technologies are capable of capturing mecha
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Corcoran, T. C., L. L. Connell, G. V. Hartland, B. F. Henson, and P. M. Felker. "Down-shifting of high frequency components in non-linear interferometry." Chemical Physics Letters 147, no. 6 (1988): 517–24. http://dx.doi.org/10.1016/0009-2614(88)80260-4.

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Bedding, T. R., J. G. Robertson, and R. G. Marson. "MAPPIT: Optical Interferometry with Non-Redundant Masks." Symposium - International Astronomical Union 158 (1994): 327–30. http://dx.doi.org/10.1017/s007418090010782x.

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MAPPIT (Masked APerture-Plane Interference Telescope) is an optical interferometer mounted at the coudé focus of the 3.9 m Anglo-Australian Telescope. The instrument, shown schematically in Fig. 1, uses a pupil mask with five apertures of diameter ≲r0. The apertures are arranged in a linear non-redundant array, with the spacings chosen to optimize the spatial frequency coverage (R. G. Marson, these Proceedings).
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Lendiel, Vasyl, Iryna Stepakhno, and Leonid Yarovoi. "APPLICATION OF THREE-WAVE HETERODINE INTERFEROMETRY FOR NANORIZED LAYERS THICKNESS MEASUREMENT IN THE PROCESS OF THEIR DEPOSITION." Bulletin of Kyiv Polytechnic Institute. Series Instrument Making, no. 63(1) (July 4, 2022): 39–45. http://dx.doi.org/10.20535/1970.63(1).2022.260636.

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The paper proposes a new method of current measurement of the layer thickness of optical films in the process of their forming, in particular, by the method of vacuum deposition. Such films, among other things, are used to create a variety of optoelectronic devices and optical nanosensors for laboratory research in the chemical and pharmaceutical industries, for environmental monitoring.
 We propose a method for measuring the phase of a laser beam, which is based on heterodyne interferometry. The method of heterodyne interferometry in comparison with ordinary interference methods provides
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Gerberding, Oliver, and Katharina-Sophie Isleif. "Ghost Beam Suppression in Deep Frequency Modulation Interferometry for Compact On-Axis Optical Heads." Sensors 21, no. 5 (2021): 1708. http://dx.doi.org/10.3390/s21051708.

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We present a compact optical head design for wide-range and low noise displacement sensing using deep frequency modulation interferometry (DFMI). The on-axis beam topology is realised in a quasi-monolithic component and relies on cube beamsplitters and beam transmission through perpendicular surfaces to keep angular alignment constant when operating in air or in a vacuum, which leads to the generation of ghost beams that can limit the phase readout linearity. We investigated the coupling of these beams into the non-linear phase readout scheme of DFMI and implemented adjustments of the phase es
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Zou, Lilong, Weike Feng, Olimpia Masci, Giovanni Nico, Amir M. Alani, and Motoyuki Sato. "Bridge Monitoring Strategies for Sustainable Development with Microwave Radar Interferometry." Sustainability 16, no. 7 (2024): 2607. http://dx.doi.org/10.3390/su16072607.

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The potential of a coherent microwave radar for infrastructure health monitoring has been investigated over the past decade. Microwave radar measuring based on interferometry processing is a non-invasive technique that can measure the line-of-sight (LOS) displacements of large infrastructure with sub-millimeter precision and provide the corresponding frequency spectrum. It has the capability to estimate infrastructure vibration simultaneously and remotely with high accuracy and repeatability, which serves the long-term serviceability of bridge structures within the context of the long-term sus
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Dissertations / Theses on the topic "Non-linear interferometry"

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Galetti, Erica. "Seismic interferometry and non-linear tomography." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/10506.

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Seismic records contain information that allows geoscientists to make inferences about the structure and properties of the Earth’s interior. Traditionally, seismic imaging and tomography methods require wavefields to be generated and recorded by identifiable sources and receivers, and use these directly-recorded signals to create models of the Earth’s subsurface. However, in recent years the method of seismic interferometry has revolutionised earthquake seismology by allowing unrecorded signals between pairs of receivers, pairs of sources, and source-receiver pairs to be constructed as Green’s
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Romare, Dario. "The application of adaptive linear and non-linear filters to fringe order identification in white-light interferometry systems." Thesis, City, University of London, 1998. http://openaccess.city.ac.uk/19993/.

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Conventional optical interferometry systems driven by highly coherent light sources have a very short unambiguous operating range, a direct consequence of the flatness of the interference fringes visibility profile at the output of the system. The range can be extended by using a white-light interferometer (WU), which is driven by a low-coherence source and produces a Gaussian visibility profile with a unique maximum in correspondence of the central fringe. Due to system and/or measurement noise, however, the position of the maximum (from which an accurate measurement of the measurand - displa
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Yoshino, Hirokazu. "Non-linear model fitting for the measurement of thin films and surface topography." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/25482.

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Inspection of optical components is essential to assure the quality and performance of optical systems. Evaluation of optical components includes metrology measurements of surface topography. It also requires optical measurements including refractive index, thin film thickness, reflectivity and transmission. The dispersion characteristics of optical constants including refractive index are also required. Hence, various instruments are used to make these measurements in research laboratories and for quality assurance. Clearly, it would be a significant advantage and cost saving if a technique w
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Duro, Javier. "Development of new methodologies for the detection, measurement and on going monitoring of ground deformation using spaceborne SAR data." Phd thesis, Université Paris-Est, 2010. http://tel.archives-ouvertes.fr/tel-00638089.

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Persistent Scatterer Interferometric techniques are very powerful geodetic tools for land deformation monitoring that offer the typical advantages of the satellite remote sensing SAR (Synthetic Aperture Radar) systems : a wide coverage at a relatively high resolution. Those techniques are based on the analysis of a set of SAR images acquired over a given area. They overcome the decorrelation problem by identifying elements (in resolution cells) with a high quality returned SAR signal which remains stable in a series of interferograms. These techniques have been useful for the analysis of urban
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Tephany, Christophe. "Analyse de la formabilité de renforts composites à base de fibres naturelles." Thesis, Orléans, 2014. http://www.theses.fr/2014ORLE2051/document.

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Cette thèse s’intéresse à la déformabilité des renforts à bases de fibres de lin lors de leur mise en forme, au cours du procédé RTM (Resin Tranfer Molding), notamment lorsque les formes considérées sont complexes. La compréhension des défauts et mécanismes de déformations de ces renforts est alors nécessaire. S’appuyant sur un banc d’essai d’emboutissage spécifique, une caractérisation globale (défauts de mise en forme) et locale (déformations des mèches par méthode optique) des préformes a été réalisée, pour différents paramètres procédés (pressions serre-flan et orientation du renfort) et m
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Matha, Robin. "Interférométrie self-mixing pour la détection des conditions givrantes." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5018.

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Nous proposons ici une méthode permettant d'effectuer la détection de gouttelettes d'eau en condition atmosphérique de façon fiable et robuste. Pour cela, nous avons choisi de tester l'application de l'interférométrie self-mixing à cette problématique. Cette technique optique complexe consiste à extraire une information d'un signal d'interférométrie non-linéaire obtenu aux bornes d'une diode laser soumise à une rétro-injection optique sur une scène. C'est cette scène qui génère et contient l'information. Le cas d'étude représentatif est celui d'une surface solide en déplacement longitudinal da
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Boardman, Steven Robert. "High resolution infrared spectroscopy using non-linear mixing and interferometric techniques." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358609.

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Cassagne, Christophe. "Développement des procédés de mesure de déphasage optique : applications aux non linéarités induites par effet Kerr dans certaines molécules organiques." Thesis, Angers, 2018. http://www.theses.fr/2018ANGE0010/document.

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Notre étude concerne la mesure du déphasage optique non linéaire (NL) d’ordre trois. Deux catégories de procédés seront abordées : i) la technique interférométrique à décalage de phase qui permet la caractérisation de la phase avec une bonne résolution spatiale, ce qui est crucial pour un faisceau focalisé dans le milieu non linéaire. Cette technique utilise le critère des moindres carrés associé à plusieurs interférogrammes. Mise en œuvre à l'aide d'un modulateur spatial de lumière, elle fournit un calibrage pratique pour chaque déphasage considéré. La fiabilité de la méthode proposée est vér
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Faderl, Ingo. "Étude et réalisation d'un modulateur électro-optique utilisant des polymères non linéaires dans un circuit optique intégré sur silicium." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0102.

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La these demontre la faisabilite d'un modulateur electro-optique avec des polymeres non lineaires en optique integree sur silicium. Le modulateur est base sur un interferometre de mach-zehnder. L'originalite de ce travail repose sur l'hybridation d'un polymere non-lineaire sur un circuit optique integre passif. Seuls les guides actifs sont fabriques avec des polymeres non-lineaires. Le reste du modulateur est fabrique a l'aide de nitrure de silicium et de silice. Le premier chapitre rappelle les principes de l'optique non-lineaire avec les polymeres. La birefringence, l'absorption, le decalage
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Groß, Christian [Verfasser]. "Spin squeezing and non-linear atom interferometry with Bose-Einstein condensates / Christian Groß." 2010. http://d-nb.info/1002649919/34.

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Books on the topic "Non-linear interferometry"

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Groß, Christan. Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25637-0.

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service), SpringerLink (Online, ed. Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012.

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Groß, Christian. Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer, 2014.

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Book chapters on the topic "Non-linear interferometry"

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Groß, Christian. "Non-linear Interferometry Beyond the Standard Quantum Limit." In Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25637-0_4.

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Groß, Christian. "Introduction." In Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25637-0_1.

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Groß, Christian. "Spin Squeezing, Entanglement and Quantum Metrology." In Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25637-0_2.

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Groß, Christian. "Squeezing Two Mean Field Modes of a Bose–Einstein Condensate." In Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25637-0_3.

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Groß, Christian. "Outlook." In Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25637-0_5.

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Sousa, Fabio Barros de, Fiterlinge Martins de Sousa, Jorge Everaldo de Oliveira, Elizabeth Rego Sabino, and Marcos Benedito Caldas Costa. "DATA REGENERATION 2R IN OPTICAL COMMUNICATION NETWORK BASED ON MACHZEHNDER INTERFEROMETER WITH ACOUSTICOPTICAL FILTER AND HIGHLY NON-LINEAR PHOTONIC CRYSTAL FIBER." In Engenharia Elétrica e de Computação: Atividades Relacionadas com o Setor Científico e Tecnológico. Atena Editora, 2020. http://dx.doi.org/10.22533/at.ed.6712002077.

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Conference papers on the topic "Non-linear interferometry"

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Habib, Khaled. "Zero Resistance Ammetter of Metallic Alloys in Aqueous Solutions: Novel Technique." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04431.

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Abstract It is well known that electronic instrumentations, i.e. Ammeter, Potential-meter, have been used for years to measure electrochemical properties of metallic electrodes in aqueous solutions. One of the disadvantages of using electronic instruments for the measurement of electrochemical properties is the invasive nature of those instruments to the electrochemical systems of the metallic electrodes in aqueous solutions. In recent work published elsewhere1-16, it has been shown that laser optical interferometry can be used as an optical transducer to characterize the electromagnetic field
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Wolterink, Tom A. W., Matthias Heinrich, Stefan Scheel, and Alexander Szameit. "Order-Invariant Quantum Correlations in non-Hermitian Interferometers." In Quantum 2.0. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/quantum.2024.qtu3a.15.

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We identify sequences of concatenated two-mode systems that perform distinct linear optical transformations, whereas their two-photon behavior is invariant under reversal of the order. We experimentally verify this behavior in non-Hermitian interferometers of varying composition.
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Mohammed, Muazu. "Assessment of Underdeposit Corrosion and Mitigation Using Chemicals." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07639.

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Abstract Under-deposit Corrosion (UDC) is a form of localised corrosion caused by the localised concentration of dissolved chemicals (e.g. CO2, Hydrochloric acids and Sulphuric acids), Scales and sand deposits. A set of experiments were conducted under different conditions to investigate UDC. It examined the barriers that influence inhibition of under deposit and their mechanisms as used in the oilfield to mitigate UDC. The investigation focuses on the effect of sand deposit (5 and 10mm sand deposit) as the dominant under-deposit corrosion mechanism in determining the corrosion rates of carbon
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Monteil, Andre, Georges Boudebs, Fran‡ois Sanchez, et al. "Non linear refractive indices measurements by interferometry techniques." In 19th Congress of the International Commission for Optics: Optics for the Quality of Life, edited by Giancarlo C. Righini and Anna Consortini. SPIE, 2003. http://dx.doi.org/10.1117/12.525513.

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Wapenaar, Kees. "Seismic interferometry, the optical theorem and a non‐linear point diffractor." In SEG Technical Program Expanded Abstracts 2009. Society of Exploration Geophysicists, 2009. http://dx.doi.org/10.1190/1.3255612.

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Massinas, Basil, Nikolaos Doulamis, and Demitris Paradissis. "Adaptive Non-Linear Modeling for Ionospheric Disturbances Behavior Estimation on Spaceborne Synthetic Aperture Radar Interferometry." In AIAA SPACE 2012 Conference & Exposition. American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-5180.

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Ibrahim, Heide, Craig Chapman, Hiroyuki Katsuki, Jeffrey Cina, and Kenji Ohmori. "Wave Packet Reconstruction on Unknown Potential Surfaces by Two-Colour Non-Linear Wave Packet Interferometry." In International Conference on Ultrafast Phenomena. OSA, 2010. http://dx.doi.org/10.1364/up.2010.wb2.

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Zhou, 周勇, and Tong Guo. "Non-linear phase noise processing method in thin film measurement with the frequency domain white light microscopic interferometry." In LIDAR Imaging Detection and Target Recognition 2017, edited by Yueguang Lv, Jianzhong Su, Wei Gong, et al. SPIE, 2017. http://dx.doi.org/10.1117/12.2296315.

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Singh, Sandeep, Vimlesh Kumar, Varun Sharma, Daniele Faccio, and G. K. Samanta. "Hong-Ou-Mandel interferometry for high precision sensing of real-time vibrations." In Frontiers in Optics. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fio.2023.jtu5a.58.

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We demonstrate the real-time sensing of high frequency vibrations with sub-micron amplitudes using the Hong-Ou-Mandel interferometer of narrow dip width resulted from the broadband parametric down-converted photons generated in non-linear crystals of short interaction length.
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Zou, Daqing, Jianjun Wang, Minfu Lu, and Sheng Liu. "Creep Behavior Study of Plastic Power Package by Real Time Moiré Interferometry and FEM Modeling." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1227.

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Abstract In this paper, the creep behavior of the plastic power package at high temperature 155 °C was studied by real time moiré interferometry and FEM modeling. 1200 l/mm grating was replicated onto the cross-section of the specimen at room temperature. The specimen was held at 155°C (around the Tg of the epoxy molding compound) in the vacuum chamber for about 13 hours. The thermal deformation and creep of the specimen was recorded and measured in situ by moiré interferometry. The experimental results show that creep deformation occurs in the epoxy molding compound. The non-linear viscoelast
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