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Directly diode-pumped Yb3+:SrY4(SiO4)3O regenerative amplifier
Pierre Raybaut1, Frederic Druon, Francois Balembois
1Laboratoire Charles Fabry de l'Institut d'Optique, Ecole Supérieure d'Optique, Unité Mixte de Recherche 8051, Centre National de la Recherche Scientifique, Bâtiment 503, 91403 Orsay, France. pierre.raybaut@iota.u-psud.fr
Optics Letters
|December 3, 2003
Summary
This study introduces a novel regenerative amplifier using an Ytterbium-doped apatite crystal (Yb:SYS). The system achieved 420-fs pulses, marking a significant advancement in ultrashort pulse generation from diode-pumped amplifiers.
Area of Science:
- Laser Physics
- Materials Science
Background:
- Regenerative amplifiers are crucial for generating high-energy ultrashort laser pulses.
- Yb-doped crystals are widely used due to their favorable spectroscopic properties.
Purpose of the Study:
- To develop and characterize a novel regenerative amplifier system.
- To investigate the performance of Yb3+:SrY4(SiO4)3O (Yb:SYS) crystal in a regenerative amplifier.
Main Methods:
- Utilized a Yb-doped apatite crystal (Yb:SYS) as the gain medium.
- Employed a regenerative amplification scheme.
- Performed pulse compression to achieve ultrashort pulse durations.
Main Results:
- Successfully operated a regenerative amplifier based on the Yb:SYS crystal.
- Generated 420-fs pulses at a 1066 nm central wavelength.
- Achieved an output energy of 100 microJ at a 300 Hz repetition rate.
Conclusions:
- This work presents the first regenerative amplifier utilizing the Yb:SYS crystal.
- The developed system offers one of the shortest pulse durations from a directly diode-pumped regenerative amplifier.