Dear all,

We are pleased to announce the occurrence of the CNRS School « Femto-UP 2020-21: Ultrafast lasers technologies and applications », online from March 8th to March 29th, 2021, supported by the French networks “réseau femto” and “GDR UP”. The School targets master/PhD students, post-docs, as well as confirmed scientists who wish to learn more about the field. The 2020-21 Edition of the School adopts a new, online, international format including numerical praticals and tutorials in addition to conventional lectures. 

Please visit the Femto-UP 2020-21 website and REGISTER before February, the 28th. Registration is free but compulsory to receive the connection links. The Program will span over 4 weeks (2 to 4 half-days per week), with lectures and practicals on:

1)	Basic knowledge and tool box
Femtosecond pulse generation (2h, Adeline Bonvalet, France)
Trends, challenges and applications of high-average power ultrafast lasers (2h, Clara Saraceno, Germany)
Around the genesis of femto lasers (1h, Charles Hirlimann, France)
How to deal with femtosecond pulses (manipulation and characterization of fs pulses) – I (2h, Baptiste Fabre, Yann Mairesse, Sébastien Weber, France)
How to deal with femtosecond pulses (manipulation and characterization of fs pulses) – II (2h, Baptiste Fabre, Yann Mairesse, Sébastien Weber, France)
Numerical practicals: manipulation and characterization of fs pulses (python language, also for beginners: 3 sessions including 1 python crash tutorial, Baptiste Fabre, Yann Mairesse, Sébastien Weber, France)

2)	A selection of specialized topics
Principles and applications of ultrafast terahertz spectroscopy (2h, Dmitry Turchinovich, Germany)
High-order Harmonic Generation: from concept to application (2h, Sophie Kazamias, France)
Ultra-intense laser pulses and the High-Power Laser System at Extreme Light Infrastructure (ELI) - Nuclear Physics (1h, Daniel Ursescu, Romania)
Multidimensional coherent spectroscopies: advanced spectroscopic techniques to unveil complex dynamics (2h, Elisabetta Collini, Italy)
High-Time Resolution Transmission Electron Microscopy and Spectroscopy (2h, Thomas LaGrange, Switzerland)
Nonlinear optical imaging at the nanoscale (2h, Sophie Brasselet, France)

In addition to live interactions during the lectures, a chat will be maintained online over the duration of the School to enable/boost further interactions between participants and lecturers. Numerical practicals are open to all (including beginners in the python programming language). A crash-tutorial and a “hotline” chat will be organized already one week BEFORE the School to help and guide people with installing a python environment (same for all participants) and start with basic python programming prerequisites. 

The organizing committee,
Département d’Optique ultrarapide et Nanophotonique,
Institut de Physique et Chimie des Matériaux de Strasbourg,
Université de Strasbourg – CNRS.