Letteratura scientifica selezionata sul tema "Holography"

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Articoli di riviste sul tema "Holography"

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Mitamura, Shunsuke. "Holographic Holography". Leonardo 22, n. 3/4 (1989): 337. http://dx.doi.org/10.2307/1575389.

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Kang, Hoonjong, Dimana Nazarova, Branimir Ivanov, Sunghee Hong, Joo Sup Park, Youngmin Kim, Jiyong Park, Nataliya Berberova, Elena Stoykova e Nikola Malinowski. "Digital Holographic Printing Methods for 3D Visualization of Cultural Heritage Artifacts". Digital Presentation and Preservation of Cultural and Scientific Heritage 4 (30 settembre 2014): 69–78. http://dx.doi.org/10.55630/dipp.2014.4.8.

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Abstract (sommario):
Holography enables capture and reconstruction of the optical field scattered from three-dimensional (3D) objects. The hologram encodes both amplitude and phase of the field under coherent illumination, whereas photography records only the amplitude by incoherent light. 3D visualization feature of holography motivates expansion of research efforts dedicated to digital holographic imaging methods as a holographic display or a holographic printer. The paper presents two holographic 3D printing techniques which combine digital 3D representation of an object with analog holographic recording. Generation of digital contents is considered for a holographic stereogram printer and a recently proposed wavefront printer. These imaging methods could be applied to specific artifacts which are difficult to be recorded by conventional analog holography.
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Desbiens, Jacques. "The Dispositif of Holography". Arts 8, n. 1 (26 febbraio 2019): 28. http://dx.doi.org/10.3390/arts8010028.

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The French word dispositif, applied to visual art, encompasses several components of an artwork, such as the apparatus itself as well as its display conditions and the viewers themselves. In this article, I examine the concept of dispositif in the context of holography and, in particular, synthetic holography (computer-generated holography). This analysis concentrates on the holographic space and its effects on time and colors. A few comparisons with the history of spatial representation allow us to state that the holographic dispositif breaks with the perspective tradition and opens a new field of artistic research and experimentation.
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Iano, Randrianasoa, e Randriamaroson Mahandrisoa. "Enhancing Real-Time Pyramid Holographic Display Through Iterative Algorithm Optimization for 3D Image Reconstruction". American Journal of Optics and Photonics 12, n. 1 (29 aprile 2024): 9–17. http://dx.doi.org/10.11648/j.ajop.20241201.12.

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Holography, a crucial technology for 3D visualization, strives to create realistic relief images. This research aims to enhance hologram quality and viewer experience by optimizing the image-processing pipeline. Conventional holographic displays face challenges due to their bulkiness and limited viewing angles. To overcome these limitations, this study proposes a novel approach that integrates digital holography with holographic pyramid technology. Digital holography uses computer algorithms for hologram generation, while holographic pyramid technology projects images onto a reflective pyramid for 3D display. The drawback of holographic pyramid displays in low-light environments is addressed through increased diffraction to enhance image resolution. This integrated approach involves comprehensive research, including an examination of existing methods. The anticipated outcome is holograms with improved visibility and resolution from multiple angles. The research presents an initial image preprocessing phase, succeeded by sophisticated processing employing iterative algorithms. This aims to diminish the image size while upholding its quality, thereby achieving an image suitable for pyramidal display. The fusion of digital holography and holographic pyramid display shows promise for immersive visual experiences. However, advancements in processing techniques may lead to increased material complexity, posing a challenge. Through this research, the system aims to unlock creative potentials and pave the way for enhanced holographic displays in various applications.
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Picart, Pascal. "Recent advances in speckle decorrelation modeling and processing in digital holographic interferometry". Photonics Letters of Poland 13, n. 4 (30 dicembre 2021): 73. http://dx.doi.org/10.4302/plp.v13i4.1126.

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Digital holography, and especially digital holographic interferometry, is a powerful approach for the characterization of modifications at the surface or in the volume of objects. Nevertheless, the reconstructed phase data from holographic interferometry is corrupted by the speckle noise. In this paper, we discuss on recent advances in speckle decorrelation noise removal. Two main topics are considered. The first one presents recent results in modelling the decorrelation noise in digital Fresnel holography. Especially the anisotropy of the decorrelation noise is established. The second topic presents a new approach for speckle de-noising using deep convolution neural networks. Full Text: PDF ReferencesP. Picart (ed.), New techniques in digital holography (John Wiley & Sons, 2015). CrossRef T.M. Biewer, J.C. Sawyer, C.D. Smith, C.E. Thomas, "Dual laser holography for in situ measurement of plasma facing component erosion (invited)", Rev. Sci. Instr. 89, 10J123 (2018). CrossRef M. Fratz, T. Beckmann, J. Anders, A. Bertz, M. Bayer, T. Gießler, C. Nemeth, D. Carl, "Inline application of digital holography [Invited]", Appl. Opt. 58(34), G120 (2019). CrossRef M.P. Georges, J.-F. Vandenrijt, C. Thizy, Y. Stockman, P. Queeckers, F. Dubois, D. Doyle, "Digital holographic interferometry with CO2 lasers and diffuse illumination applied to large space reflector metrology [Invited]", Appl. Opt. 52(1), A102 (2013). CrossRef E. Meteyer, F. Foucart, M. Secail-Geraud, P. Picart, C. Pezerat, "Full-field force identification with high-speed digital holography", Mech. Syst. Signal Process. 164 (2022). CrossRef L. Lagny, M. Secail-Geraud, J. Le Meur, S. Montresor, K. Heggarty, C. Pezerat, P. Picart, "Visualization of travelling waves propagating in a plate equipped with 2D ABH using wide-field holographic vibrometry", J. Sound Vib. 461 114925 (2019). CrossRef L. Valzania, Y. Zhao, L. Rong, D. Wang, M. Georges, E. Hack, P. Zolliker, "THz coherent lensless imaging", Appl. Opt. 58, G256 (2019). CrossRef V. Bianco, P. Memmolo, M. Leo, S. Montresor, C. Distante, M. Paturzo, P. Picart, B. Javidi, P. Ferraro, "Strategies for reducing speckle noise in digital holography", Light: Sci. Appl. 7(1), 1 (2018). CrossRef V. Bianco, P. Memmolo, M. Paturzo, A. Finizio, B. Javidi, P. Ferraro, "Quasi noise-free digital holography", Light. Sci. Appl. 5(9), e16142 (2016). CrossRef R. Horisaki, R. Takagi, J. Tanida, "Deep-learning-generated holography", Appl. Opt. 57(14), 3859 (2018). CrossRef E. Meteyer, F. Foucart, C. Pezerat, P. Picart, "Modeling of speckle decorrelation in digital Fresnel holographic interferometry", Opt. Expr. 29(22), 36180 (2021). CrossRef M. Piniard, B. Sorrente, G. Hug, P. Picart, "Theoretical analysis of surface-shape-induced decorrelation noise in multi-wavelength digital holography", Opt. Expr. 29(10), 14720 (2021). CrossRef P. Picart, S. Montresor, O. Sakharuk, L. Muravsky, "Refocus criterion based on maximization of the coherence factor in digital three-wavelength holographic interferometry", Opt. Lett. 42(2), 275 (2017). CrossRef P. Picart, J. Leval, "General theoretical formulation of image formation in digital Fresnel holography", J. Opt. Soc. Am. A 25, 1744 (2008). CrossRef S. Montresor, P. Picart, "Quantitative appraisal for noise reduction in digital holographic phase imaging", Opt. Expr. 24(13), 14322 (2016). CrossRef S. Montresor, M. Tahon, A. Laurent, P. Picart, "Computational de-noising based on deep learning for phase data in digital holographic interferometry", APL Photonics 5(3), 030802 (2020). CrossRef M. Tahon, S. Montresor, P. Picart, "Towards Reduced CNNs for De-Noising Phase Images Corrupted with Speckle Noise", Photonics 8(7), 255 (2021). CrossRef E. Meteyer, S. Montresor, F. Foucart, J. Le Meur, K. Heggarty, C. Pezerat, P. Picart, "Lock-in vibration retrieval based on high-speed full-field coherent imaging", Sci. Rep. 11(1), 1 (2021). CrossRef
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Schofield, M. A., e Y. Zhu. "Characterization of JEOL 3000f TEM Equipped for Electron Holography". Microscopy and Microanalysis 6, S2 (agosto 2000): 228–29. http://dx.doi.org/10.1017/s1431927600033638.

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Quantitative off-axis electron holography in a transmission electron microscope (TEM) requires careful design of experiment specific to instrumental characteristics. For example, the spatial resolution desired for a particular holography experiment imposes requirements on the spacing of the interference fringes to be recorded. This fringe spacing depends upon the geometric configuration of the TEM/electron biprism system, which is experimentally fixed, but also upon the voltage applied to the biprism wire of the holography unit, which is experimentally adjustable. Hence, knowledge of the holographic interference fringe spacing as a function of applied voltage to the electron biprism is essential to the design of a specific holography experiment. Furthermore, additional instrumental parameters, such as the coherence and virtual size of the electron source, for example, affect the quality of recorded holograms through their effect on the contrast of the holographic fringes.
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Zou, Yijun, Hui Jin, Rongrong Zhu e Ting Zhang. "Metasurface Holography with Multiplexing and Reconfigurability". Nanomaterials 14, n. 1 (26 dicembre 2023): 66. http://dx.doi.org/10.3390/nano14010066.

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Metasurface holography offers significant advantages, including a broad field of view, minimal noise, and high imaging quality, making it valuable across various optical domains such as 3D displays, VR, and color displays. However, most passive pure-structured metasurface holographic devices face a limitation: once fabricated, as their functionality remains fixed. In recent developments, the introduction of multiplexed and reconfigurable metasurfaces breaks this limitation. Here, the comprehensive progress in holography from single metasurfaces to multiplexed and reconfigurable metasurfaces is reviewed. First, single metasurface holography is briefly introduced. Second, the latest progress in angular momentum multiplexed metasurface holography, including basic characteristics, design strategies, and diverse applications, is discussed. Next, a detailed overview of wavelength-sensitive, angle-sensitive, and polarization-controlled holograms is considered. The recent progress in reconfigurable metasurface holography based on lumped elements is highlighted. Its instant on-site programmability combined with machine learning provides the possibility of realizing movie-like dynamic holographic displays. Finally, we briefly summarize this rapidly growing area of research, proposing future directions and potential applications.
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Balasubramani, Vinoth, Małgorzata Kujawińska, Cédric Allier, Vijayakumar Anand, Chau-Jern Cheng, Christian Depeursinge, Nathaniel Hai et al. "Roadmap on Digital Holography-Based Quantitative Phase Imaging". Journal of Imaging 7, n. 12 (26 novembre 2021): 252. http://dx.doi.org/10.3390/jimaging7120252.

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Quantitative Phase Imaging (QPI) provides unique means for the imaging of biological or technical microstructures, merging beneficial features identified with microscopy, interferometry, holography, and numerical computations. This roadmap article reviews several digital holography-based QPI approaches developed by prominent research groups. It also briefly discusses the present and future perspectives of 2D and 3D QPI research based on digital holographic microscopy, holographic tomography, and their applications.
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MANSURIPUR, MASUD. "Holography and Holographic Interferometry". Optics and Photonics News 9, n. 3 (1 marzo 1998): 41. http://dx.doi.org/10.1364/opn.9.3.000041.

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Lee, Y. J., e J. H. Kim. "A Review of Holography Applications in Multiphase Flow Visualization Study". Journal of Fluids Engineering 108, n. 3 (1 settembre 1986): 279–88. http://dx.doi.org/10.1115/1.3242575.

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Holographic techniques are used in many fields of science and engineering including flow observation. The purpose of this paper is to review applications of holography to multiphase flow study with emphasis on gas-solid and gas-liquid two-phase flows. The application of holography to multiphase flow has been actively explored in the areas of particle sizing in particulate flows and nuclei population measurements in cavitation study. It is also recognized that holography holds great potential as a means of visualizing dynamic situations inherent in multiphase flows. This potential has been demonstrated by holographic flow visualization studies of coal combustion processes in gas-solid flows, gas-liquid two-phase critical flow measurements, and flashing flows in a nozzle. More effective and refined holographic techniques as well as efficient image processing methods are very much in need to facilitate and enhance the understanding of complex physical phenomena occurring in multiphase flows.
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Tesi sul tema "Holography"

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Sumner, Roger C. "An interferometric method for evaluating holographic materials /". Online version of thesis, 1990. http://hdl.handle.net/1850/10884.

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Williams, Logan Andrew. "Digital Holography for Three Dimensional Tomographic and Topographic Measurements". University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1398436841.

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Schilling, Bradley Wade. "Advances in real-time optical scanning holography". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09122009-040312/.

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Richardson, Martin J. "Holography : the thinking picture (essays on holography)". Thesis, Royal College of Art, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388183.

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Larkin, Peter C. "Pre-holography". Thesis, University of York, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444703.

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Montelongo, Yunuen. "Scattering holography". Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709277.

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Hjartarson, Örn. "Separation of lobes in Multispectral Digital Holography". Thesis, Umeå universitet, Institutionen för fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-64314.

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Through a holographic recording a property from the third dimension, the depth, is obtained in the form of a phase map of the incident light. One wavelength holography will have a unique phase for the depth range corresponding to the wavelength of the light and outside this range the real depth can not be resolved. By introducing more wavelengths to the measurement the unique phase combination of the waves will have a wider range and larger objects can be resolved. Up to six wavelengths can be simultaneous recorded by making them occupy different spatial frequencies. A set of spatial frequencies together describing a property of the wave is referred to as a lobe. For more than 6 wavelengths and a larger depth range produced by a more seldom repeated unique phase combination the individual waves will occupy the same frequencies, i.e. the lobes overlap. The separation of overlapping lobes is essential in order to make precise and time independent measurements of large and/or moving objects. To separate the lobes the complex fields, i.e. the phases together with the amplitudes, were simulated to propagate a distance and again recorded. The propagation leads to a phase shift of the spatial frequencies which reveals the complex fields in the case of two overlapping wavelengths. For three overlapping wavelengths the resolution, i.e spatial frequencies describing the object, has to be reduced in order to determine the individual complex fields. Since the propagation is a linear transformation for the frequencies that do not overlap, only the overlapping elements whose propagation is nonlinear produce new information. The new information gained is therefore independent of the number of wavelengths used which limits the exact determination of the fields to two wavelengths. Through the holographic recording another property of the complex field is obtained which is the superimposed individual intensities. This bounds the complex fields to certain values, i.e. restricts the possible amplitude of the waves. The recording in the two planes produces two intensity distributions which both must be satisfied by the complex fields. The optimization model for this was formulated and a simple optimization algorithm was implemented. Instead of an equality constraint of the intensities the inequality constraint was implemented, mainly due to that the optimization process was out of the scope of the thesis and the inequality constraint resulted in a simple implementation. The result pointed out important properties even though the optimization could not separate the fields satisfactorily for more than three wavelengths. The inequality constraint contains enough information to solve the case of three overlapping wavelengths.
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Blair, Loudon Thomas. "Evaluation of volume holographic optical elements in dichromated gelatin". Thesis, University of Oxford, 1989. http://ora.ox.ac.uk/objects/uuid:cd5f1733-5f7c-4413-a1e1-224d2e229381.

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The use of dichromated gelatin (DCG) for the formation of holographic optical elements is investigated. In particular, a study is made of the possible sources of spurious recording and replay in such diffracting media. The formation of spurious gratings due to boundary mismatch, when recording a transmission grating in air, is investigated. Experimental results are treated using a simple linear theory which is capable of predicting the relative modulation strengths of each of six recorded gratings. The efficiencies of each of these gratings is related to Fresnel's Laws of reflection and therefore the beam ratio. A brief experimental study of the beam ratio is made. It is found that linear theories do not explain replay of gratings recorded at high exposure energies. This is because DCG exhibits a saturating recording characteristic. A theoretical model is developed to verify experimental results of modulation versus exposure energy for the recording of single and double exposure transmission gratings and their subsequent harmonics. This gives good agreement for most cases, however, it does not explain fully the replay of a difference grating formed due to nonlinearities in the double exposure hologram. A coupled wave theory is therefore developed to take account of both multiple grating interactions between the two primary recordings and the recording of a third grating with a spatial frequency equal to the difference of the two fundamental frequencies. The model gives good agreement with experimental results for varying replay angles and wavelengths. DCG is finally used as a tool to investigate the formation of noise gratings in silver halide emulsions. In particular, results are presented for experiments which were performed to study the effect of high angular scatter upon the selectivity of the noise grating and the recording of reflection noise gratings.
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Guler, Michael George. "Spherical microwave holography". Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/15055.

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Hubel, Paul Matthew. "Colour reflection holography". Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257949.

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Libri sul tema "Holography"

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Joddrell, Lynne. Holography. [Derby]: Derbyshire College of Higher Education, 1988.

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Shimobaba, Tomoyoshi, e Tomoyoshi Ito. Computer Holography. Boca Raton, FL : CRC Press/Taylor & Francis Group, 2018.: CRC Press, 2019. http://dx.doi.org/10.1201/9780429428005.

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Deng, Zi-Lan, Xiangping Li e Guixin Li. Metasurface Holography. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-031-02386-6.

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Tonomura, Akira. Electron Holography. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-13913-4.

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Li, Jun-chang, e Pascal Picart, a cura di. Digital Holography. Hoboken, NJ USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118562567.

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Baggioli, Matteo. Applied Holography. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35184-7.

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Tonomura, Akira. Electron Holography. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-540-37204-2.

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Nikolova, L. Polarization Holography. Leiden: Cambridge University Press, 2009.

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Alan, Rhody, e Ross Franz, a cura di. Holography marketplace. 6a ed. Berkeley, Calif: Ross Books, 1997.

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Alan, Rhody, e Ross Franz, a cura di. Holography marketplace. 7a ed. Berkeley, Calif: Ross Books, 1998.

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Capitoli di libri sul tema "Holography"

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Ragai, Jehane. "Holography". In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, 1–10. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-3934-5_8637-2.

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Matsushima, Kyoji. "Holography". In Series in Display Science and Technology, 117–52. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38435-7_7.

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Iizuka, Keigo. "Holography". In Engineering Optics, 203–40. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-69251-7_8.

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Rossing, Thomas D., e Christopher J. Chiaverina. "Holography". In Light Science, 203–24. New York, NY: Springer New York, 1999. http://dx.doi.org/10.1007/978-0-387-21698-0_9.

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Iizuka, Keigo. "Holography". In Springer Series in Optical Sciences, 187–223. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-540-36808-3_8.

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Iizuka, Keigo. "Holography". In Engineering Optics, 187–223. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-662-07032-1_8.

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Ragai, Jehane. "Holography". In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, 2180–87. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-7747-7_8637.

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Lauterborn, Werner, e Thomas Kurz. "Holography". In Coherent Optics, 101–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05273-0_7.

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Pryputniewicz, Ryszard J. "Holography". In Springer Handbook of Experimental Solid Mechanics, 675–700. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-30877-7_24.

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Rossing, Thomas D., e Christopher J. Chiaverina. "Holography". In Light Science, 279–303. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27103-9_11.

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Atti di convegni sul tema "Holography"

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Cormier, M., J. Lewandowski, B. Mongeau, F. Ledoyen e J. Lapierre. "Infrared Holographic Interferometry". In Holography. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/holography.1986.ma3.

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Having previously developed techniques for Infrared (IR) holography(1, 2), in order to minimize problems related to vibrations, to relatively large displacement or deformation and to facilitate Real Time Holographic Interferometry, we have reported a method for Real Time Interferometry using IR Holography of low-diffusing surfaces(3). This presentation reports a method to inspect diffusing surfaces which consists in the adaptation to IR of the relatively standard techniques of holographic interferometry.
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Fenichel, Henry, Gary E. Lohman e David Will. "Measurements of Diffusion Coefficients in Liquids using Holographic Interferometry". In Holography. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/holography.1986.mb3.

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With the advent of holography, traditional interferometric methods, such as Mach-Zehnder, have been replaced by holographic interferometric techniques. A distinct advantage of the holographic method is that it provides the ability to compare wave fronts that are separated temporally, as well as spatially. This paper describes the application of the technique to measurements of mass and heat transport in transparent liquid mixtures.
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Liu, Jung-Ping, Hsuan-Hsuan Wen e Wen-Ting Chen. "Optical Scanning Hologray: From Tilt Holography to Curve Holography". In 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE). IEEE, 2019. http://dx.doi.org/10.1109/isie.2019.8781089.

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Yatagai, Toyohiko, Katsuyuki Ohmura e Shigeo Iwasaki. "Phase sensitive analysis of electron holograms". In Holography. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/holography.1986.wb3.

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Holography has been used in electron microscopy since the field emission electron microscope was developed.[1] Tonomura et al described the interference microscope based on the electron holography to evaluate microscopic distribution of the magnetic field. [2] To gain high sensitivity the use of the optical phase multiplication technique was discussed so as to obtain 10 time magnification of the reconstructed phase. [3] Recently Takeda et al applied the FFT method of the subfringe analysis for electron holographic fringes.[4] They mentioned phase variations much smaller than 2 π could be detected without recource to optical reconstruction or optical interferometric measurements.
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Markov, Vladimir B., e Anatolii I. Khizhnyak. "Some peculiarities of joint angular-spectral selectivity function of reflection holograms". In Holography. Washington, D.C.: Optica Publishing Group, 1996. http://dx.doi.org/10.1364/holography.1996.hmb.5.

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Selective properties of 3D holograms have been the subject of investigation since early beginning of holography. It is mainly through the understanding of the information capacity of volume holograms and possibility to create high density storage systems [1-3]. No less of importance this feature of 3D holograms has for holographic displays, where the viewing zone of the image observation should be relatively wide [4].
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Steijn, Kirk W., William J. Gambogi e T. John Trout. "Photopolymer Materials for Holography". In Holography. Washington, D.C.: Optica Publishing Group, 1996. http://dx.doi.org/10.1364/holography.1996.htua.1.

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Abstract (sommario):
Interest in holograms as diffractive optical elements began with the early recognition of the correspondence of transmission holograms and Fresnel zone plates.1,2 Optical designs based on holographically-generated optical elements (HOEs) and the extension of computer-based design programs to holographic gratings appeared in the late 1960s.3,4,5 Use of HOEs in systems was limited, however, in part due to complicated processing and lack of environmental stability in available materials. Recent developments in polymeric materials for holography invite reconsideration of HOEs for emerging applications where unique function, weight, light efficiency and cost are premium considerations. OmniDex® Holographic recording films (HRFs) developed at DuPont provide benefits for the manufacturers of HOEs and optical systems that include excellent optical performance, dry processing, environmental stability, and mass reproduction. This paper reviews the holographic properties of these films and gives examples of simple HOE components.
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7

Kodatskiy, Bogdan, Michael Kovalev, Polina Malinina, Sergey Odinokov, Maksim Soloviev e Vladimir Venediktov. "Fourier holography in holographic optical sensors". In SPIE Remote Sensing, a cura di Karin U. Stein e John D. Gonglewski. SPIE, 2016. http://dx.doi.org/10.1117/12.2242008.

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8

Poon, Ting-Chung. "Preprocessing of Coherent Digital Holograms in Off-Axis Optical Scanning Holography [Invited]". In Frontiers in Optics. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fio.2023.fm6c.1.

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Abstract (sommario):
Off-axis optical scanning holography (OSH) has been proposed to perform scanning holography without the use of heterodyning for phase retrieval. In this talk, I will first review the coherent holographic recording of off-axis OSH and then discuss how preprocessing of holographic information can be achieved.
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9

Pryputniewicz, Ryszard J. "Quantification of Holographic Interferograms: State of the Art Methods". In Holography. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/holography.1986.ma1.

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Abstract (sommario):
The problem of quantification of holographic interferograms is not trivial. Even today, 20 years after the invention of hologram interferometry, there is not yet a general method available that can be used reliably to interpret holographic fringe patterns to obtain information on displacements and/or deformations of arbitrary objects. However, a number of methods and systems have been developed for specific applications. The results that are being obtained using these methods are contributing to the further growth of holographic interferometry; the most promising of the methods used are those allowing automated interpretation of holograms.
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10

Owechko, Y., G. J. Dunning, B. H. Soffer e E. Marom. "Associative Holographic Memory with Feedback Using Phase Conjugate Mirrors". In Holography. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/holography.1986.wa1.

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Abstract (sommario):
Associative memories and associative processing have many applications in symbolic and parallel computing.1 Optical schemes, in particular those based on holographic principles, are well suited to associative processing because of their high parallelism and storage capacity. Previous workers2 have demonstrated that holographically stored images can be recalled using relatively complicated reference images, but did not utilize nonlinear feedback to reduce the cross-talk which results when multiple images are stored and a partial or distorted input is used in addressing the memory. These earlier approaches were limited in their ability to reconstruct an image from a set of partial input images.
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Rapporti di organizzazioni sul tema "Holography"

1

Powell, Rodney M. Digital Holography. Fort Belvoir, VA: Defense Technical Information Center, febbraio 2000. http://dx.doi.org/10.21236/ada383043.

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2

Bingham, P. R., e K. W. Tobin. Direct to Digital Holography. Office of Scientific and Technical Information (OSTI), settembre 2007. http://dx.doi.org/10.2172/932949.

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3

Bingham, P. R., e K. W. Tobin. Direct to Digital Holography. Office of Scientific and Technical Information (OSTI), giugno 2002. http://dx.doi.org/10.2172/940249.

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4

Bingham, P. R., e K. W. Tobin. Direct to Digital Holography. Office of Scientific and Technical Information (OSTI), giugno 2003. http://dx.doi.org/10.2172/940257.

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5

Hartnoll, Sean. Holography, Gravity and Condensed Matter. Office of Scientific and Technical Information (OSTI), dicembre 2017. http://dx.doi.org/10.2172/1415349.

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6

Chapline, G. F. Entangled States, Holography and Quantum Surfaces. Office of Scientific and Technical Information (OSTI), agosto 2003. http://dx.doi.org/10.2172/15005372.

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7

Chapman, H. Femtosecond Time-Delay X-Ray Holography. Office of Scientific and Technical Information (OSTI), ottobre 2007. http://dx.doi.org/10.2172/922321.

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8

Libera, Matthew R. Transmission Electron Holography of Polymer Microstructure. Fort Belvoir, VA: Defense Technical Information Center, aprile 1998. http://dx.doi.org/10.21236/ada344467.

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9

Libera, Matthew R. Quantitative Electron Holography of Macromolecular Structure. Fort Belvoir, VA: Defense Technical Information Center, marzo 2001. http://dx.doi.org/10.21236/ada392886.

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10

Balatsky, Alexander V., Sven Bjarke Gudnason, Larus Thorlacius, Konstantin Zarembo, Alexander Krikun e Yaron Kedem. Classical and quantum temperature fluctuations via holography. Office of Scientific and Technical Information (OSTI), maggio 2014. http://dx.doi.org/10.2172/1133316.

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