2023
DOI: 10.3390/s23020943
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Integrated Optical Deformation Measurement with TIR Prism Rods

Abstract: In this paper, a novel optical measurement principle for deformation, especially torsion, is presented. A laser beam is guided via total internal reflection (TIR) in a prism rod. Every single reflection causes an increasing change in the beam path, which can be measured by its effect on the outcoupling position of the laser. With a diameter of the prism rod of 10 mm and a length of 120 mm, the system achieves torsion sensitivities between 350 µm/° and more than 7000 µm/°, depending on the actual torsion angle … Show more

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Cited by 1 publication
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“…There has been an increased demand for downsized and integrated optics into modern devices. Some of these devices, such as sensors (Wolf, A., 2023), couplers (Lin, T., 2023), filters (Zhang, Y., 2023), modulators (Wang, L., 2023) and splitters (Xu, Q., 2023) to mention just a few.…”
Section: Research Backgroundmentioning
confidence: 99%
“…There has been an increased demand for downsized and integrated optics into modern devices. Some of these devices, such as sensors (Wolf, A., 2023), couplers (Lin, T., 2023), filters (Zhang, Y., 2023), modulators (Wang, L., 2023) and splitters (Xu, Q., 2023) to mention just a few.…”
Section: Research Backgroundmentioning
confidence: 99%