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Fig. 1. (Color online) Illustration of TEOIM setup: (A) TEOIM system reported in a pervious study. In the previous system, the field of view (FOV) is limited by the lens aperture. (B) TEOIM system reported in this study. In current system, the FOV is determined by the size of surface light source (SLS) (C) FOV optical image of TEOIM system reported in this study. (D) Illustration of optical setup of TEOIM system reported in this study, where θ and φ represent angles of the stress axis of the sample and principal axis of the analyzer, respectively.
New Phys.: Sae Mulli 2022;72:25~32 https://doi.org/10.3938/NPSM.72.25
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