Fundamental and applied research on femtosecond laser interaction with solids

Ravi Bhardwaj

doi:10.1117/12.2283874

29 August 2017 Fundamental and applied research on femtosecond laser interaction with solids

Ravi Bhardwaj

Proceedings Volume 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging; 1031326 (2017) https://doi.org/10.1117/12.2283874
Event: Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 2002, Ottawa, Ontario, Canada

Abstract

An intense femtosecond laser focussed inside a transparent dielectric material changes the refractive index of the material. Buried waveguides were written by scanning the focal spot along the sample. The waveguide losses are -1dB/cm and the change in refractive index is 5x10-3 for a scanning speed of 200Ã‚Âµm/s. To determine the conditions for high quality waveguides we characterized them by varying laser fluence and the scanning speed. The infrared photosensitivity can be used to write three-dimensional photonics structures.

Citation Download Citation

Ravi Bhardwaj "Fundamental and applied research on femtosecond laser interaction with solids", Proc. SPIE 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 1031326 (29 August 2017); https://doi.org/10.1117/12.2283874

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