Numerical Simulation of the Piezo-Optical Strain Sensor Gauge Factor


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Аннотация

The dependence of the piezo-optical strain sensor gauge factor on the geometric parameters of the photoelastic element is obtained by accurate numerical simulations. It is shown that the piezo-optical gauge sensitivity to the applied force is more dependent on the photoelastic element shape than the sensitivity to deformation. A comparative analysis of the gauge factors and other parameters of strain-resistive, piezoelectric, fiber-optic, and piezo-optical strain gauges was carried out. Strain-resistive and fiber-optic sensor gauge factors are three orders of magnitude lower than those of piezo-optical sensors. Correctly calculated piezoelectric sensor gauge factors are also two-three orders of magnitude inferior to those of piezo-optical sensors. A comparison of the basic properties and parameters of modern commerical strain gauges based on different physical principles is presented.

Авторлар туралы

A. Paulish

Novosibirsk Branch of the Rzhanov Institute of Semiconductor Physics, Siberian Branch; Novosibirsk State Technical University

Хат алмасуға жауапты Автор.
Email: paulish63@ngs.ru
Ресей, pr. Akademika Lavrent’eva 2/1, Novosibirsk, 630090; pr. Karla Marksa 20, Novosibirsk, 630073

P. Zagubisalo

Novosibirsk Branch of the Rzhanov Institute of Semiconductor Physics, Siberian Branch

Email: paulish63@ngs.ru
Ресей, pr. Akademika Lavrent’eva 2/1, Novosibirsk, 630090

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