Coherence imaging by use of a Newton rings sampling function

Adiran G. Podoleanu, George M. Dobre, David J. Webb, David A. Jackson

Research output: Contribution to journalArticlepeer-review


We show that, with suitable optics in the arm of a Michelson interferometer, orthogonal galvo-scanning mirrors build a sampling function in the form of Newton rings when the two interferometer arms are matched. Using a low-coherence source, one can obtain transversal depth-resolved images. A fast display procedure using a storage oscilloscope was devised based on this method.
Original languageEnglish
Pages (from-to)1789-1794
Number of pages6
JournalOptics Letters
Issue number21
Publication statusPublished - 1 Nov 1996

Bibliographical note

© 1996 Optical Society of America


  • Michelson interferometer
  • orthogonal galvo-scanning mirrors
  • sampling function
  • Newton rings
  • interferometer arm
  • low-coherence source
  • transversal depth-resolved images
  • storage oscilloscope


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