G. J. Spuhler

High power Yb:KGW and Yb:KYW thin disk laser operation

Ursula Keller, R. Paschotta, Amin Abdolvand, 2001, CLEO 2001.

Output-coupling semiconductor saturable absorber mirror

Ursula Keller, S. Reffert, M. Haiml, 2001 .

A monolithically integrated high‐efficiency Cu(In,Ga)Se2 mini‐module structured solely by laser

Valerio Romano, Sönke Pilz, Andreas Burn, 2015 .

Experimentally confirmed design guidelines for passively Q-switched microchip lasers using semiconductor saturable absorbers

Rüdiger Paschotta, Ursula Keller, Emilio Gini, 2001 .

Picosecond pulse sources with multi-GHz repetition rates and high output power

Rüdiger Paschotta, H. J. Unold, Ursula Keller, 2004 .

Yb:KGd(WO4)2 chirped-pulse regenerative amplifiers

Gerard Mourou, Ursula Keller, John Nees, 2002 .

Simple repetition rate tunable picosecond pulse-generating 10 GHz laser

Ursula Keller, Kurt J. Weingarten, Lukas Krainer, 2004 .