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1. (WO2018184943) LASER AMPLIFIER SYSTEM HAVING A TWO-STAGE COMPRESSOR SYSTEM

Pub. No.:    WO/2018/184943    International Application No.:    PCT/EP2018/057928
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Thu Mar 29 01:59:59 CEST 2018
IPC: H01S 3/23
H01S 3/00
H01S 3/067
Applicants: TRUMPF LASER GMBH
Inventors: BUDNICKI, Aleksander
SCELLE, Raphael
Title: LASER AMPLIFIER SYSTEM HAVING A TWO-STAGE COMPRESSOR SYSTEM
Abstract:
A laser amplifier system (1) having a two-stage compressor system for outputting output laser pulses (13A) by amplifying initial laser pulses (5A) comprises a fibre laser preamplifier unit (7) for preamplifying the initial laser pulses (5A) and for outputting preamplified laser pulses (7A), an intermediate compressor stage (9) for temporally partially compressing the preamplified laser pulses (7A), a solid-state post-amplifier unit (11) for post-amplifying temporally partially compressed preamplified laser pulses (9A) and for outputting post-amplified laser pulses (11A), and a post-compressor stage (13) for temporally compressing the post-amplified laser pulses (11A) for the purpose of generating the output laser pulses (13A).