Data set and images from High refractive index change in Type A laser modification using a multi-scan approach

• Publication : Loi L., Petit Y. and Canioni L. High refractive index change in Type A laser modification using a multi-scan approach. Optical Materials Express 2022 vol.12, n°6, p.2297-2308. DOI : 10.1002/adpr.202200032 / HAL : https://hal.archives-ouvertes.fr/hal-03682480

In the project context : ANR ArchiFLUO - Architectures photoniques intégrées inscrites par laser femtoseconde pour étalonnage en microscopie de fluorescence dans l’infrarouge - ANR-19-CE08-0021 - AAPG2019 - 2019. Dataset production context : The focusing of femtosecond laser pulses is an efficient and robust way to fabricate integrated optical components in glasses. However, the induced refractive index changes are weak if compared with those obtained in lithography. Several solutions have been found to overcome such problem, the multi-scan technique being one of these. The present work implements the multi-scan approach on the femtosecond inscription of Type A laser modifications in high repetition rate regime. Therefore, a study on the effects of the absorption of subsequent laser pulses on the increase of the induced refractive index is conducted. As a result, the achievement of high and smooth refractive index change, up to 2 × 10 −2 , in a commercial silver-glass is reported. Moreover, such high and controlled index contrast is exploited for the fabrication of low-propagation-losses and engineered waveguides exhibiting single-mode operation in the VIS-NIR range.

Excel Version, 2016