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HOLOGRAPHIC INTERFEROMETER [4 records]

Record 1 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 1

Record 2 2021-07-29

English

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

A significant advantage of the holographic interferometer is the lack of requirements to the coherence length of the laser radiation and the quality of optical components(lenses and mirrors).

French

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

Spanish

Save record 2

Record 3 2002-04-29

English

Subject field(s)
  • Space Exploration Equipment and Tools
CONT

Application of multidirectional holographic interferometer(MHOI) to study crystal growth in solution and gel.

French

Domaine(s)
  • Équipement et outillage d'exploration spatiale

Spanish

Save record 3

Record 4 1996-04-03

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Destructive and Non-destructive Tests (Mat.)
OBS

See holographic interferometry and shearing interferometer.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Contrôle destructif et non destructif (Matér.)
DEF

Méthode d'interférométrie holographique.

CONT

La méthode est utilisée dans le contrôle non destructif, par exemple, celui de pièces en composites. Alors que l'interférométrie classique mesure la déformation d'une pièce soumise à une contrainte, la shéarographie mesure la dérivée de cette déformation. Elle permet ainsi d'éliminer les déplacements d'ensemble de la pièce examinée. Couplée à une caméra CCD, la shéarographie peut fonctionner par endoscopie (la lumière étant véhiculée par fibre optique) afin de contrôler des pièces difficiles d'accès.

Spanish

Save record 4

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