Laser Congress

03 October 2021 – 07 October 2021
Optica Virtual Event - Eastern Daylight/Summer Time (UTC - 04:00)

Peak Power Scaling of High-power Systems (AW2A)

Presider: Tino Eidam, Active Fiber Systems GmbH
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9:00 - 9:30
(UTC - 05:00)

Technologies for Scaling High Peak Power Lasers to High Average Power (AW2A.1)
Presenter: Emily Frances Link, Lawrence Livermore National Laboratory

To be provided

Authors:Emily Frances Link, Lawrence Livermore National Laboratory

9:30 - 9:45
(UTC - 05:00)

Powerful Sub-40-fs Yb:YAG Thin-Disk Laser Oscillator Operating in the Regime of Strong Self-Phase Modulation (AW2A.2)
Presenter: Julian Fischer, Time and Frequency Laboratory (LTF)

We demonstrate the generation of 29-fs pulses at 2.5-W and 37-fs pulses at 17.1-W average power. This is the highest average power of any sub-50-fs laser oscillator and the shortest pulse duration of any TDL oscillator.

Authors:Julian Fischer, Time and Frequency Laboratory (LTF) / Jakub Drs, Time and Frequency Laboratory (LTF) / Norbert Modsching, Time and Frequency Laboratory (LTF) / François Labaye, Time and Frequency Laboratory (LTF) / Valentin J. Wittwer, Time and Frequency Laboratory (LTF) / Thomas Südmeyer, Time and Frequency Laboratory (LTF)

  Paper

9:45 - 10:00
(UTC - 05:00)


2 µm Pulse Compression in a Hollow-Core Fiber at a
1 kHz Repetition Rate – 86 fs Pulses With 0.2 TW Peak Power (AW2A.3)

Presenter: Tamas Nagy, Max Born Institute

Hollow-core fiber-based post-compression of 45 mJ few-ps pulses at 2.05 µm is reported. Pulses as short as 86 fs with 20.8 mJ energy are achieved at a 1 kHz repetition rate

Authors:Uwe Griebner, Max Born Institute / Lorenz von Grafenstein, Max Born Institute / Dennis Ueberschaer, Max Born Institute / Tamas Nagy, Max Born Institute

  Paper

10:00 - 10:15
(UTC - 05:00)

11 fs, 1.5 PW Laser With Nonlinear Pulse Compression (AW2A.4)
Presenter: Efim Khazanov, Institute of Applied Physics of the Russian Academy of Sciences

A 65 fs laser pulse was compressed to 11 fs after passing through a 5-mm-thick silica plate and reflecting from chirping mirrors with total dispersion -250 fs2. It is the shortest pulse for petawatt lasers.

Authors:Efim Khazanov, Institute of Applied Physics of the Russian Academy of Sciences / Vladislav Ginzburg, Institute of Applied Physics of the Russian Academy of Sciences / Ivan Yakovlev, Institute of Applied Physics of the Russian Academy of Sciences / Anton Kochetkov, Institute of Applied Physics of the Russian Academy of Sciences / Alexey Kuzmin, Institute of Applied Physics of the Russian Academy of Sciences / Sergey Mironov, Institute of Applied Physics of the Russian Academy of Sciences / Ilya Shaikin, Institute of Applied Physics of the Russian Academy of Sciences / Andrey Shaykin, Institute of Applied Physics of the Russian Academy of Sciences

  Paper

10:15 - 10:30
(UTC - 05:00)

Guiding of Laser Pulses at the Theoretical Limit – 97% Throughput Hollow-Core Fibers (AW2A.5)
Presenter: Bruno Schmidt, few-cycle Inc.

We describe a compact, 1-m-long, hollow-core fiber (HCF) with 97.4% transmission. 1mJ, 170fs pulses are compressed to 25fs with 92% total efficiency, energy stability of 0.6% RMS and an M2 parameter of about 1.05.

Authors:Younggyun Jeong, INRS-EMT / Riccardo Piccoli, INRS-EMT / Andrea Rovere, INRS-EMT / Luca Zanotto, INRS-EMT / Gabriel Tempea, few-cycle Inc. / Derrek Wilson, few-cycle Inc. / Maksym Ivanov, few-cycle Inc. / Alicia Ramirez, few-cycle Inc. / Roberto Morandotti, INRS-EMT / Francois Legare, INRS-EMT / Luca Razzari, INRS-EMT / Bruno Schmidt, few-cycle Inc.

  Paper

10:30 - 10:45
(UTC - 05:00)

Post-Compression of 8.6 mJ ps-Pulses From an Yb:YAG Innoslab Amplifier Using a Compact Multi-Pass Cell (AW2A.6)
Presenter: Supriya Rajhans, Deutsches Elektronen-Synchrotron DESY

We demonstrate post-compression of a high energy Yb:YAG laser in a 2m long Argon filled multi-pass cell (MPC). 1.2 ps pulses with 8.6 mJ are compressed to 44 fs with an MPC transmission of 93%.

Authors:Supriya Rajhans, Deutsches Elektronen-Synchrotron DESY / Praveen Velpula, Deutsches Elektronen-Synchrotron DESY / Esmerando Escoto, Deutsches Elektronen-Synchrotron DESY / Rob Shalloo, Deutsches Elektronen-Synchrotron DESY / Bonaventura Farace, Deutsches Elektronen-Synchrotron DESY / Kristjan Põder, Deutsches Elektronen-Synchrotron DESY / Jens Osterhoff, Deutsches Elektronen-Synchrotron DESY / Wim Leemans, Deutsches Elektronen-Synchrotron DESY / Ingmar Hartl, Deutsches Elektronen-Synchrotron DESY / Christoph Heyl, Deutsches Elektronen-Synchrotron DESY

  Paper

10:45 - 11:00
(UTC - 05:00)

All-Fiber Mid-IR OPCPA Front-End and Cryogenic Yb:YAG Pump Laser for Soft X-ray Generation (AW2A.7)
Presenter: Drew Morrill, University of Colorado, Boulder

We report a mid-IR OPCPA all-fiber front-end and cryogenic Yb:YAG pump laser. The front-end delivers pulses at 1.5-μm and 1-μm. The Yb:YAG amplifier boosts these pulses to 5-mJ, 1-kHz. The systems operate uninterrupted for weeks.

Authors:Drew Morrill, University of Colorado, Boulder / Carlson Daniel, University of Colorado, Boulder / Daniel Lesko, NIST / Tsung-Han Wu, NIST / Scott Diddams, NIST / Margaret Murnane, University of Colorado, Boulder / Henry Kapteyn, University of Colorado, Boulder / Michaël Hemmer, University of Colorado, Boulder

  Paper

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