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Residual stress distribution is experimentally analyzed in different optical fibers thanks to photoelastic tomography characterization to demonstrate the dependence by fiber drawing parameters, such as speed tension and temperature.
The propagation property of an optical signal along the cladding of a fibre leads to new applications either in the telecommunication or in the sensor fields. In order to analyse the optical behaviour of the cladding, in this contribution, photoelastic measures are presented, realized by means an experimental tomographic set-up useful to measure fibre birefringence. Birefringence depends especially...
In this paper a novel scheme of photoelastic tomography is described, to be applied to planar waveguides. It exploits the reflection of the laser probe beam at the waveguide-substrate interface to reconstruct stress distributions in waveguide cross sections. By this technique, spurious or induced local stress variations in integrated optics components can also be brought into evidence.
By means of photoelastic tomography the effect of the spinning process on the development of residual stress in spun fibers is investigated. Measured stress distributions in spun and corresponding unspun fibers are compared
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