TERMIUM Plus^®

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The loop conjugator can also be considered as an adaptive laser resonator with a holographic grating element formed by the self-intersecting beam. Such a system can produce output energy at least two orders of magnitude higher than a high-quality injecting pulse.  2, fiche 1, Anglais, - holographic%20grating%20element

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The compound holographic element is compact and easy to align. It can be used with broadband sources, generating a vortex beam with the same angular momentum for all wavelengths, and keeping the spatial and temporal profile when used with ultrashort laser pulses.  1, fiche 2, Anglais, - compound%20holographic%20element

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A holographic recording requires a second light beam(the reference beam) to be directed onto the recording medium.  2, fiche 3, Anglais, - holographic%20recording

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The image recorded on the holographic plate is called a hologram of the target, which carries both the amplitude and phase of the returned, scattered beam from the target. The first exposure of the holographic plate by the reference beam results in a reference hologram, while the second exposure by the returned beam imposes all changes of the target to the reference hologram.  2, fiche 4, Anglais, - reference%20hologram

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Holographic optical elements are relatively easy to make and can function as lenses, mirrors, diffraction gratings, beam splitters, etc., in place of more traditional optical components.  4, fiche 5, Anglais, - holographic%20optical%20element

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… the use of a holographic beamsplitter allows additional control over the electron beam, such as removing the spherical aberration or introducing phase vortices that can be used to measure magnetic fields.  2, fiche 6, Anglais, - holographic%20beamsplitter

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… the output of any real-time holographic interferometer contains a term which is a function of the phase differences introduced in any beam of the hologram between the recording and reconstructing steps in addition to those variations in intensity which result from the intensities of the beams themselves.  2, fiche 7, Anglais, - real%2Dtime%20holographic%20interferometer

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The unmodulated beam that, when directed at the holographic emulsion, forms an interference pattern with the object beam, which records both the amplitude and phase of the object wavefront at every point.  2, fiche 8, Anglais, - reference%20beam

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Les principes de l'holographie optique n'ont pas changé de manière significative depuis sa première invention […] Une lame séparatrice de faisceaux divise un faisceau laser en deux parties : le faisceau d'éclairage qui irradie l'objet et le faisceau de référence envoyé directement à un support d'enregistrement (généralement une plaque photographique).  3, fiche 8, Français, - faisceau%20de%20r%C3%A9f%C3%A9rence

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Holographic Versatile Disc(HVD) is an advanced optical disc technology still in the research stage which would greatly increase storage over Blu-ray and HD-DVD [high-definition digital versatile disc] optical disc systems. It employs a technique known as collinear holography, whereby two lasers, one red and one blue-green, are collimated in a single beam. These disks have the capacity to hold up to 3. 9 terabytes(TB) of information, which is approximately eighty times the capacity of Blu-ray Disc.  2, fiche 9, Anglais, - holographic%20versatile%20disc

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[...] le HVD (holographic versatile disc, disque holographique polyvalent) n'a en fait rien à voir avec ses prédécesseurs optiques que sont CD, DVD et Disque Blu-ray.Contrairement à ces derniers, qui sont une succession de creux lus par un laser, le HVD est en fait un hologramme de 12 centimètres avec une capacité de 3,9 téraoctets (capacité nominale du double). Le HVD est cependant toujours lu par un laser. Il s'agit d'un laser vert, ce qui permet d'envisager un hypothétique «HVD-bluray» balayé par un laser bleu et d'une capacité encore plus grande.  1, fiche 9, Français, - disque%20holographique%20polyvalent

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Holographic quantity expressed as the ratio of the reconstructed first-order image to that of the incident reconstructing beam.  1, fiche 11, Anglais, - reconstruction%20diffraction%20efficiency

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The angle that the light must strike a hologram to reconstruct the holographic image. This angle is set by the angle of the reference beam when the hologram was constructed.  1, fiche 12, Anglais, - reconstruction%20angle

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A device using holographic optical elements to move a finely focused beam of light in a systematic pattern over a surface in order to sense or write out an image.  1, fiche 13, Anglais, - hologram%20scanner

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