SC6Optical interferometry: principle and applications

Level: Basic/Advanced
Audience:

Engineers or technicians who whish to specify, design, use or optimize an interferometer for phase or amplitude measurements, in industrial or research fields.

Prerequisites:

Preliminary knowledge of complex numbers and Fourier Transforms would be useful

Language of the training: French
Maximum capacity: 12
Price: 1820 € -
Duration: 4 days - 28 h
Objectives
  • Understand optical interferometry
  • Discover the usefulness of this technique in various industrial applications
Check the sessions
Optical interferometry: principle and applications
Addressed topics

Physical optics

Coherence

Components

Signal processing

Industrial or commercial applications

The program

Principle and operation of an interferometer, coherence and applications

  • Analysis of 2-beam interference and contrast losses, N-beam Interference
  • Sub-systems of an interferometer (splitting, combining, [de]modulation), types (Young, Michelson, Mach-Zehnder, Fizeau...) and exploitation (Zernike polynomials)
  • Detailed study of spatial and temporal coherence
  • Interferometric techniques and uses (longitudinal or surface metrology, spectroscopy, velocimetry, fibered sensors, coherent detection, phased arrays)
  • tutorial classes: part or prolongation of main course, study of application cases

Practical exercises

  • Michelson interferometer
  • Fizeau interferometer (Zygo type)
  • Homodyne/heterodyne detection (acousto-optic modulator)
  • Speckle interferometry (deformation/vibration)
Methodology

Lectures and exercices

Demonstration on laboratory material, according to trainees wishes

Practical hands-on on instruments

Next session: date to be defined


  • October 08, 2019 to October 11, 2019 SC6 | Optical interferometry: principle and applications Palaiseau
Pedagogical manager(s):
  • Frédéric Cassaing - Senior engineer at Onera

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