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Laser wavelength effects on the refractive index change of waveguides written by femtosecond pulses in silica glasses

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Abstract

We investigate the influence of two fs-laser wavelengths (343 and 800 nm) on the induced refractive index change (Δn) of waveguides written in silica materials. Results show that Δn is higher for waveguides photo-inscribed with UV photons.

© 2018 The Author(s)

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