Document Type

Article

Publication Date

2-20-2017

Publication Title

Optics Express

ISSN

1094-4087

Volume

25

Issue

4

First Page

3666

Last Page

3674

DOI

https://doi.org/10.1364/OE.25.003666

PubMed ID

28241579

Abstract

We report on a direct diode-pumped Ti:sapphire ultrafast regenerative amplifier laser system producing multi-μJ energies with a repetition rate from 50 to 250 kHz. By combining cryogenic cooling of Ti:sapphire with high brightness fiber-coupled 450nm laser diodes, we for the first time demonstrate a power-scalable CW-pumped architecture that can be directly applied to demanding ultrafast applications such as coherent high-harmonic EUV generation without any complex post-amplification pulse compression. Initial results promise a new era for Ti:sapphire amplifiers not only for ultrafast laser applications, but also for tunable CW sources. We discuss the unique challenges to implementation, as well as the solutions to these challenges.

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