We demonstrate significant thermo-optic degradation of single-modedness in active large mode area fibers due to heat generation in the fiber. We propose and demonstrate through simulations, simple compensation mechanisms using custom length dependent fiber coiling
We use a comprehensive model of cooling by anti-Stokes fluorescence in a single-mode fiber that incl...
Detailed simulations on the temperature profile inside of a large mode area fiber in high power oper...
International audienceTo prevent the thermally induced spatial beam degradation occurring in high-po...
Recently, the thermo-optic effect, which causes refractive index change in active optical fibers, em...
The impact of thermally-induced refractive index changes on the single-mode (SM) properties of large...
We present our investigations on modal instabilities using a commercial LMA fiber with 25 µm core an...
High pulse energy and peak powers of fiber laser systems require the development of large effective ...
International audienceThanks to their capability to provide very large mode area together with effec...
Ce travail concerne le développement d’une fibre optique à structure originale permettant la montée ...
Yb-doped double-cladding photonic crystal fibers are one of the key enabling factors for the develop...
Power scaling of fiber laser systems requires the development of innovative active fibers, capable o...
Constant innovations of fiber technology over the last twenty years has fueled a huge improvement of...
We report a comprehensive model that quantifies analytically and numerically the heat that can be ex...
Mode instabilities, i.e. the rapid fluctuations of the output beam of an optical fiber that occur af...
We report on detailed in situ distributed temperature measurements inside a high power fiber amplifi...
We use a comprehensive model of cooling by anti-Stokes fluorescence in a single-mode fiber that incl...
Detailed simulations on the temperature profile inside of a large mode area fiber in high power oper...
International audienceTo prevent the thermally induced spatial beam degradation occurring in high-po...
Recently, the thermo-optic effect, which causes refractive index change in active optical fibers, em...
The impact of thermally-induced refractive index changes on the single-mode (SM) properties of large...
We present our investigations on modal instabilities using a commercial LMA fiber with 25 µm core an...
High pulse energy and peak powers of fiber laser systems require the development of large effective ...
International audienceThanks to their capability to provide very large mode area together with effec...
Ce travail concerne le développement d’une fibre optique à structure originale permettant la montée ...
Yb-doped double-cladding photonic crystal fibers are one of the key enabling factors for the develop...
Power scaling of fiber laser systems requires the development of innovative active fibers, capable o...
Constant innovations of fiber technology over the last twenty years has fueled a huge improvement of...
We report a comprehensive model that quantifies analytically and numerically the heat that can be ex...
Mode instabilities, i.e. the rapid fluctuations of the output beam of an optical fiber that occur af...
We report on detailed in situ distributed temperature measurements inside a high power fiber amplifi...
We use a comprehensive model of cooling by anti-Stokes fluorescence in a single-mode fiber that incl...
Detailed simulations on the temperature profile inside of a large mode area fiber in high power oper...
International audienceTo prevent the thermally induced spatial beam degradation occurring in high-po...