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Optical Diffraction Strain Sensor Prepared by Interference Lithography

100%

Zabila Y., Horeglad P., Krupiński M., Zarzycki A., Perzanowski M., Maximenko A., Marszałek M.

Acta Physica Polonica A

2018

vol. 133

issue 2

309-312

An optical strain sensor was developed for use in stretchable electronics. It consists of a diffraction grating formed directly on the examined surface illuminated by a laser beam which creates interference pattern. This pattern can then be used to determine axial and lateral strains for a uniaxial stress states. Direct laser interference patterning was employed as a fast processing tool for the preparation of micro- and sub-microgratings. Two coherent beams of Nd:YAG laser with 532 nm wavelength and pulse duration of 10 ns were used to selectively remove material from the irradiated sample surface. This technique creates periodic pattern on the metallized surface of polymeric substrates. New sensors formed by direct laser interference patterning method were able to resolve higher order diffraction maxima, which would be of benefit for strain measurement application. Experimental setup for tensile tests was composed of laser probe, the sensor element, and CCD camera. To extract strain values, we analysed acquired interference pattern images in real time software, developed with LabVIEW environment. This kind of contactless strain sensor is suitable for examination of stretchable electronics component for which conventional tensile tests are either not acceptable or can interfere with its normal operation.

Investigation of the stress-strain state of seamless pipe in the initial state

99%

Małachowski J., Hutsaylyuk V., Yukhumets P., Dmitryenko R., Beliaiev G., Prudkii I., Małachowski J., Hutsaylyuk V., Yukhumets P., Dmitryenko R., Beliaiev G., Prudkii I.

Archive of Mechanical Engineering

2014

vol. 61

issue 4

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1 Acta Physica Polonica A

1 Archive of Mechanical Engineering

1 2018

1 2014

1 Beliaiev G.

1 Dmitryenko R.

1 Horeglad P.

1 Hutsaylyuk V.

1 Krupiński M.

1 Marszałek M.

1 Maximenko A.

1 Małachowski J.

1 Perzanowski M.

1 Prudkii I.

1 Yukhumets P.

1 Zabila Y.

1 Zarzycki A.

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Optical Diffraction Strain Sensor Prepared by Interference Lithography

Investigation of the stress-strain state of seamless pipe in the initial state