Femtosecond laser inscription of Bragg and complex gratings in coated and encapsulated silica and low-loss polymer optical fibers

Kyriacos Kalli; Amedee Lacraz; Michael Polis; Andreas Othonos

doi:10.1117/12.2195627

28 September 2015 Femtosecond laser inscription of Bragg and complex gratings in coated and encapsulated silica and low-loss polymer optical fibers

Kyriacos Kalli, Amedee Lacraz, Michael Polis, Andreas Othonos

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96343N (2015) https://doi.org/10.1117/12.2195627
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

The development of wavelength filters, such as Bragg and superstructure gratings in glass and polymer optical fibers, using a femtosecond laser is reported. By using a femtosecond laser operating in the green, which offers greater inscription efficiency, we demonstrate the reliable inscription of Bragg and superstructure gratings in coated silica and low-loss CYTOP polymer optical fibers. We employ line by line and point by point inscription methods, allowing for multiple and overlapping gratings in the fiber core. Moreover, we demonstrate a novel fibre Bragg grating inscription technique to modify and add versatility to an existing, encapsulated optical fiber pressure sensor.

Citation Download Citation

Kyriacos Kalli, Amedee Lacraz, Michael Polis, and Andreas Othonos "Femtosecond laser inscription of Bragg and complex gratings in coated and encapsulated silica and low-loss polymer optical fibers", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96343N (28 September 2015); https://doi.org/10.1117/12.2195627

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