Ohara Corporation
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Measurement of birefringence


We measure the birefringence caused by the residual stress in a sample piece. Typically the Birefringence is indicated as the decrease per 1cm in (Unit = nm / cm). As a high precision measurement, we can also show the direction of fast axis in addition to the stress birefringence.

Michel-Levy Birefringence Chart

Measurement Center Links
1 Measurement Center
2 Refractive Indices of Solid
3 Temperature Coefficient
(of refractive index)
4 Birefringence
Additional Measurement Information
Optical Homogeneity
(Refractive index variation over an aperture)
Refractive Indices / Vacuum UV area
Photo Tour / Measurement Center
Glass Products