Forthcoming Events

01.10.2020 - 01.10.2020, AkademieHotel, Karlsruhe, Germany
26.10.2020 - 28.10.2020, Paul Scherrer Institut (PSI), Villigen,Switzerland


New scientific highlights- by MUST PIs Chergui, Milne and Wörner
New scientific highlights- from MUST researchers at PSI
Promotion to full professorcongratulations to Steve Johnson!
The Laser at 60: Ursula KellerOPN interviewed OSA Fellows
Former EPFL PhD student Edoardo Baldini wins the 2020 ACS PHYS Division Young Investigator Awards
New scientific highlights- by MUST PIs Banerji, Chergui and Wolf
Prix de l'innovation AGROVINA 2020- for Agrolase: detecting spores of pathogens in real time
Ruth Signorell receives the Humboldt Prize- awarded in recognition of outstanding achievements in research and teaching

The Laser at 60: Ursula Keller

For its May 2020 print article “The Laser at 60,” OPN interviewed a range of OSA Fellows to get their insights on some particularly interesting insights in laser research today. We’re presenting a selection of those interviews online. Below is an edited version of our interview with Ursula Keller of ETH Zurich, Switzerland.
Keller, the winner of OSA’s 2020 Frederic Ives Medal/Jaris W. Quinn Prize, has been at the front ranks of scientists pushing laser pulses to ever shorter timescales, and thereby to illuminate ever-finer-scale processes in chemistry and physics. Her accomplishments range from the invention of the semiconductor saturable absorber mirror (SESAM), which enabled passive mode-locking of diode-​pumped solid-​state lasers, to frequency-comb stabilization, to advances in few-cycle pulse generation—all of which have driven or enabled key advances in attosecond science.

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