Inspection of birefringent media by photoelasticity: from diffuse light polariscope to laser conoscopic technique

L Montalto, N Paone, D Rinaldi… - Optical Engineering, 2015 - spiedigitallibrary.org
A reliable and noninvasive measurement method for the inspection of naturally birefringent
transparent media is presented in this paper. It allows us to achieve a spatially resolved
analysis of the stress state of birefringent materials. The developed system is based on
photoelasticity and exploits a controlled laser conoscopy technique and a scanning system
to perform local measurements in the volume dimensions of the media, which can be
displaced over a grid of points. The configuration of the proposed laser conoscopic system is …

Inspection of birefringent media by photoelasticity: from diffuse light polariscope to laser conoscopic

L Montalto, N Paone, D Rinaldi… - Optical Engineering, 2015 - spiedigitallibrary.org
A reliable and noninvasive measurement method for the inspection of naturally birefringent
transparent media is presented in this paper. It allows us to achieve a spatially resolved
analysis of the stress state of birefringent materials. The developed system is based on
photoelasticity and exploits a controlled laser conoscopy technique and a scanning system
to perform local measurements in the volume dimensions of the media, which can be
displaced over a grid of points. The configuration of the proposed laser conoscopic system is …
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