Journal
LASER PHYSICS LETTERS
Volume 15, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1612-202X/aaa9aa
Keywords
diode-pumped; passively mode-locked; crystalline laser; Tm-doped; fluoride crystals; eye-safe region
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Funding
- French Agence Nationale de la Recherche (ANR) through the LabEx EMC3 project FAST-MIR
- European Community funds FEDER
- Normandie region
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We report on a diode-pumped Tm:YLF laser passively mode-locked with an InGaAs saturable absorber. The laser emits a train of 31 ps pulses at a wavelength of 1.91 mu m with a repetition rate of 94 MHz and a maximum average power of 95 mW. A sustained and robust mode-locking with a signal-to-noise ratio of similar to 70 dB is obtained even at high relative air humidity, making this system attractive for applications requiring ultra-short pulses in the spectral window just below 2 mu m.
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