Title :
90 nJ energy femtosecond fiber-based chirped-pulse oscillator
Author :
Lecaplain, C. ; Ortac, B. ; Hideur, Ammar ; Limpert, J. ; Tunnermann, A.
Author_Institution :
CORIA, Univ. de Rouen, St. Etienne du Rouvray, France
Abstract :
Femtosecond fiber lasers have been developed with ever increasing performances in terms of pulse energy. The energy produced in a mode-locked fibre oscillator has been increased from some nanojoules to several hundreds of nanojoules. We report on generation of high-energy femtosecond pulses from a mode-locked chirped-pulse oscillator featuring large-mode-area fibers. The laser is based on a 1.3 m long LMA microstructure fiber featuring a 40 mum Yb-doped core and a fast saturable absorber mirror for passive mode-locking. The total cavity dispersion is controlled by insertion of a passive LMA microstructure fiber with a core diameter of 25 mum.
Keywords :
chirp modulation; fibre lasers; laser beams; laser cavity resonators; laser mirrors; laser mode locking; laser modes; optical fibre dispersion; optical pulse generation; optical saturable absorption; ytterbium; JkJk:Yb; LMA microstructure fiber; cavity dispersion; energy 90 nJ; femtosecond fiber lasers; fiber-based chirped-pulse oscillator; high-energy pulse generation; large-mode-area fiber; mode-locked fibre oscillator; saturable absorber mirror; size 1.3 m; size 25 mum; size 40 mum; Chirp; Fiber lasers; Laser mode locking; Optical pulse generation; Optical pulse shaping; Optical pulses; Optimized production technology; Oscillators; Power generation; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-4079-5
Electronic_ISBN :
978-1-4244-4080-1
DOI :
10.1109/CLEOE-EQEC.2009.5192937
