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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 18 — Jun. 20, 2014
  • pp: 3967–3975

Topological defects of optical indicatrix orientation in stressed glasses: spatial distribution of optical anisotropy parameters

Yuriy Vasylkiv, Ihor Skab, Mykola Smyk, and Rostyslav Vlokh  »View Author Affiliations


Applied Optics, Vol. 53, Issue 18, pp. 3967-3975 (2014)
http://dx.doi.org/10.1364/AO.53.003967


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Abstract

We have revealed topological defects (TDs) of the angle of optical indicatrix (OI) orientation in a glass Li2B4O7 sample, which originate from the specific spatial distribution of optical birefringence caused by residual mechanical stresses. It has been found that the strength of TDs of the OI rotation angle is equal to ±1/2. Following from the experimental results, we have shown that the regions around the TDs of OI orientation are those of a 3D stressed state. We have formulated criteria for determining whether 2D or 3D distributions of the optical anisotropy parameters appear, based on the TDs of OI orientation. It has been shown that, in some particular cases, the regions with the TDs can testify the availability of a 2D stressed state. Besides, we have demonstrated experimentally that the TDs can appear for more than one projection in the case of 3D distributions of the OI parameters, which appear under bending of glass plates by a distributed load.

© 2014 Optical Society of America

OCIS Codes
(110.2960) Imaging systems : Image analysis
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(160.1190) Materials : Anisotropic optical materials
(160.4760) Materials : Optical properties
(260.1180) Physical optics : Crystal optics
(260.1440) Physical optics : Birefringence

ToC Category:
Physical Optics

History
Original Manuscript: February 26, 2014
Manuscript Accepted: May 9, 2014
Published: June 17, 2014

Citation
Yuriy Vasylkiv, Ihor Skab, Mykola Smyk, and Rostyslav Vlokh, "Topological defects of optical indicatrix orientation in stressed glasses: spatial distribution of optical anisotropy parameters," Appl. Opt. 53, 3967-3975 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-18-3967

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