FIELD: instrumentation.
SUBSTANCE: photoelastic element in plan view has a crosswise shape the frontal surfaces of which, parallel to the direction of applied efforts, are optically flat, and lateral surfaces of the photoelastic element have the constant and/or variable curvature radius.
EFFECT: increase of voltages in the central part of the photoelastic element, improvement of sensitivity of piezoelectric sensors due to the use of these photoelastic elements.
3 dwg
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|---|---|---|---|
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|
RU2564691C2 |
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RU2618862C2 |
