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HOLOGRAM INTERFEROMETER [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2023-02-28

English

Subject field(s)
  • Optics
  • Computer Graphics
  • Photography
CONT

Extraction of the phase encoded in optically stored heterodyne holograms is thus possible with the two tested variants of [phase-shifting interferometry(PSI) ]... The heterodyne hologram practically behaves as a beam splitter with memory, ready to be a part of a phase-shifting interferometer.

French

Domaine(s)
  • Optique
  • Infographie
  • Photographie

Spanish

Save record 1

Record 2 2021-07-29

English

Subject field(s)
  • Scientific Instruments
  • Optics
  • Computer Graphics
  • Remote Sensing
CONT

… 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.

French

Domaine(s)
  • Instruments scientifiques
  • Optique
  • Infographie
  • Télédétection

Spanish

Save record 2

Record 3 2005-05-17

English

Subject field(s)
  • Photography
  • Computer Graphics
  • Lasers and Masers
DEF

A three-dimensional image obtained by removing exposed or unexposed areas from the light-sensitive layer, so that the image positions are raised above the surface of the support.

CONT

Commonly used as identifying features on credit cards, holograms could serve the same function on currency - if they could be made durable enough for the rough-and-tumble life of paper money.

PHR

High-resolution X-ray hologram.

French

Domaine(s)
  • Photographie
  • Infographie
  • Masers et lasers
DEF

Imprimé à effet tridimensionnel réalisé par l'enregistrement et la reproduction d'une image, notamment à l'aide de deux faisceaux laser sur un support photosensible.

OBS

L'hologramme ne ressemble à aucune photographie classique; tout déplacement de l'observateur change l'aspect de l'image observée. Pour réaliser un hologramme, il faut un laser, source de lumière cohérente et une surface photographique dotée d'une exceptionnelle finesse de résolution.

OBS

Définition tirée du Vocabulaire de la flexographie de France Brodeur. Reproduction autorisée par l'Institut des communications graphiques du Québec.

Spanish

Campo(s) temático(s)
  • Fotografía
  • Gráficos de computadora
  • Láser y máser
DEF

Imagen tridimensional producida, en un aire enrarecido, por rayos láser interactuando entre sí.

PHR

Holograma de alta resolución mediante rayos X.

Save record 3

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