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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 12 — Nov. 10, 2009

Differential interference contrast imaging using a spatial light modulator

Timothy J. McIntyre, Christian Maurer, Stefan Bernet, and Monika Ritsch-Marte  »View Author Affiliations

Optics Letters, Vol. 34, Issue 19, pp. 2988-2990 (2009)

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Differential interference contrast microscopy, imaging by interferometric superposition of two displaced beams passed through a transparent sample, is one of the most sophisticated methods in classical microscopy. Here we demonstrate a versatile electronically controlled variant using a liquid-crystal spatial light modulator that displays a diffractive optical element and steers the beam separation. The orientation and magnitude of the shear angle and the relative phase of the two interfering beams can all be varied at video rates. The technique is demonstrated by imaging polystyrene beads in immersion oil and a sample of red blood cells. The method expands the capabilities of previous implementations of differential interference contrast microscopy by its nonmechanical control over all imaging parameters.

© 2009 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(180.3170) Microscopy : Interference microscopy

ToC Category:

Original Manuscript: June 30, 2009
Revised Manuscript: August 25, 2009
Manuscript Accepted: August 26, 2009
Published: September 28, 2009

Virtual Issues
Vol. 4, Iss. 12 Virtual Journal for Biomedical Optics

Timothy J. McIntyre, Christian Maurer, Stefan Bernet, and Monika Ritsch-Marte, "Differential interference contrast imaging using a spatial light modulator," Opt. Lett. 34, 2988-2990 (2009)

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