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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 17, Iss. 7 — Jul. 1, 2000
  • pp: 1214–1220

Confocal microscopy of electro-optic materials: effect of aberrations on the axial response in ac mode

Oleg Tikhomirov and Jeremy Levy  »View Author Affiliations

JOSA A, Vol. 17, Issue 7, pp. 1214-1220 (2000)

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Confocal scanning optical microscopy can be used to investigate the structure of electro-optic materials. Application of an ac electric field allows one to measure sensitively small changes in the reflection of light from a sample surface, and those changes can be related to the electro-optic properties. We observe the axial dependence of the ac light intensity to be a linear combination of the dc component and its axial derivative. Our analysis shows that astigmatic aberrations and the azimuthal dependence of the optical index in anisotropic materials can explain this behavior.

© 2000 Optical Society of America

OCIS Codes
(180.1790) Microscopy : Confocal microscopy
(180.5810) Microscopy : Scanning microscopy

Original Manuscript: August 17, 1999
Revised Manuscript: April 3, 2000
Manuscript Accepted: April 3, 2000
Published: July 1, 2000

Oleg Tikhomirov and Jeremy Levy, "Confocal microscopy of electro-optic materials: effect of aberrations on the axial response in ac mode," J. Opt. Soc. Am. A 17, 1214-1220 (2000)

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