Polarization microscopy by use of digital holography: Application to optical-fiber birefringence measurements

Tristan Colomb*, Florian Dürr, Etienne Cuche, Pierre Marquet, Hans G. Limberger, René Paul Salathé, Christian Depeursinge

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

95 Scopus citations

Abstract

We present a digital holographic microscope that permits one to image polarization state. This technique results from the coupling of digital holographic microscopy and polarization digital holography. The interference between two orthogonally polarized reference waves and the wave transmitted by a microscopic sample, magnified by a microscope objective, is recorded on a CCD camera. The off-axis geometry permits one to reconstruct separately from this single hologram two wavefronts that are used to image the object-wave Jones vector. We applied this technique to image the birefringence of a bent fiber. To evaluate the precision of the phase-difference measurement, the birefringence induced by internal stress in an optical fiber is measured and compared to the birefringence profile captured by a standard method, which had been developed to obtain high-resolution birefringence profiles of optical fibers.

Original languageEnglish (US)
Pages (from-to)4461-4469
Number of pages9
JournalApplied Optics
Volume44
Issue number21
DOIs
StatePublished - Jul 20 2005
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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