holographic interferometry


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holographic interferometry

[‚häl·ə′graf·ik ‚in·tər·fə′räm·ə·trē]
(optics)
The study of the formation and interpretation of the fringe pattern which appears when a wave, generated at some earlier time and stored in a hologram, is later reconstructed and caused to interfere with a comparison wave.
References in periodicals archive ?
An experimental evaluation of a stroboscopic technique as applied to holographic interferometry is described.
The adjustment of mode frequencies in guitars: a study by means of holographic interferometry and finite element analysis, Proc.
Separate chapters on: Holographic Interferometry, Computer Generated
In our days holography is used for data storage [12], as a holographic memory, protection of documents [13], as well as for art, holographic interferometry [14-18], interferometric microscopes [19], electron holography, acoustic holography, and etc.
The usage of the method of time averaging holographic interferometry allows to measure steady state vibration.
His major contributions were in soft x-ray measurements of million-degree electron temperatures (he made the first "two-foil" soft x-ray electron temperature measurements), including Bragg-crystal spectroscopy; optical and laser holographic interferometry for plasma densities and shapes; Riser scattering (for plasma electron temperature); Faraday rotation measurements of plasma magnetic fields, as well as external magnetic fields and currents using phase conjugation in single-mode optical fibers.
Toker (physics, Israeli Institute of Technology) presents an experimental approach to holographic interferometry that uses standard photographic films and charge coupled device and complementary metal oxide semiconductor sensors with low resolving powers to record optical and digital holograms.
Visualisation of temperature fields in the vicinity of heated surfaces was carried out using the method of holographic interferometry.
Vibrational holographic interferometry is used to determine the orthotropic axes of symmetry.
Rossing, a physicist at Northern Illinois University in DeKalb, has examined the acoustic properties of steel drums with a technique called holographic interferometry.
The results of MRP data page authenticity analysis obtained by applying the methods of non-destructive testing--the methods of holographic interferometry and determining the influence of thermal expansion of the passport data page on its surface deformation are presented in research [11].
Among the topics are electrical strain gages, optical methods using the interference and diffraction of light, photoelasticity, MoirA[c] contouring applications, and holographic interferometry.