Optical Analysis of Direct Laser Written Structures
1 Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom
2 Centre for Neural Circuits and Behaviour, Tinsley Building, Mansfield Road, Oxford, OX1 3SR, United Kingdom
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To assess the quality of waveguides that can be made by ultrafast laser direct writing, consistent waveguide characterisation methodologies need to be constructed. We aim to develop a suite of complementary optical techniques for such a task, including measurements of structure, morphology and refractive index profile as appropriate. We employ confocal and harmonic generation microscopes in addition to phase tomography.
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