CEO-stable pulses from a 1kW fiber CPA

Evgeny Shestaev,Steffen Haedrich,Nico Walther,Tamas Nagy,Peter Šimon,Andreas Blumenstein,Arno Klenke,Robert Klas,Joachim Buldt,Henning Stark,Martin Gebhardt,Sven Breitkopf,Christian Gaida,Péter Jójárt,Imre Seres,Zoltán Várallyay,Adam Borzsonyi,Tino Eidam,Jens Limpert

Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXI（2021）

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Abstract

We present a CEO-stable 1.1 kW CPA system that is designed to drive a few-cycle-generation stage ( 300W of average power at 100kHz repetition-rate providing <10fs pulses. The chirped-pulse-amplification system (CPA) demonstrates excellent noise properties with <220mrad of the integrated carrier-envelope-offset (CEO) noise (10Hz to 20MHz) at a pulse repetition rate of 80MHz while the relative-intensity-noise (RIN) stayed <0.3%. This is the first CEO-stable laser system at 1kW level average power.

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Key words

fiber cpa,ceo-stable

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