Ondřej Schreiber, MSc.

Research interests:

Numerical modelling of fiber lasers and increasing their efficiency via choice of the active fiber and its shape, resonator and pumping setting and cooling method.

Professional activities:

09/2022 – until now: Narran s.r.o., development of laser devices

Education:

2020 – 2022: Master‘s degree in Photonics at FNSPE CTU

Diploma thesis: „Modelling and optimization of double-clad thulium-doped fiber lasers“, supervisor Ing. Jan Aubrecht, PhD.

2017 – 2020: Bachelor‘s degree in Physical Electronics at FNSPE CTU

Diploma thesis: „Thulium fiber lasers with enhanced optical pump absorption“, supervisor Ing. Jan Aubrecht, PhD.

Current research projects:

Member of projects:

• Research of novel geometries and layouts of double-clad rare-earth-doped fibers for high power fiber lasers

Publications:

Journal papers:

1. Bára Jiříčková, Martin Grábner, Cesar Jauregui, Jan Aubrecht, Ondřej Schreiber, and Pavel Peterka. Temperature-dependent cross section spectra for thulium-doped fiber lasers.  Opt. Lett. 48, 811-814 (2023). Link
2. SCHREIBER, Ondřej. Thuliové vláknové lasery se zvýšenou účinností absorpce optického čerpání (bakalářská práce). Praha: FJFI ČVUT, 2020.
3. TODOROV, Filip; AUBRECHT, Jan.; PETERKA, Pavel.; SCHREIBER, Ondřej.; JASIM, Ali A.; MRÁZEK, Jan; PODRAZKÝ, Ondřej; KAMRÁDEK, Michal; KANAGARAJ, Nithyanandan; GRÁBNER, Martin; BARAVETS, Yauhen; CAJZL, Jakub; KOŠKA, Pavel; FIŠAR, Adam; KAŠÍK, Ivan; HONZÁTKO, Pavel. Active Optical Fibers and Components for Fiber Lasers Emitting in the 2-μm Spectral Range. Materials 2020, 13(22), 5177. https://doi.org/10.3390/ma13225177
4. SCHREIBER, Ondřej; AUBRECHT, Jan; JASIM, Ali A.; TODOROV, Filip; HONZÁTKO, Pavel. Thulium-doped fiber performance optimization via fiber bending and twisting and inner-cladding shape design. Proc. SPIE 11773, Micro-structured and Specialty Optical Fibres VII, 117731A (18 April 2021). https://doi.org/10.1117/12.2592309
5. SCHREIBER, Ondřej. Modelování a optimalizace dvouplášťových vláknových laserů dopovaných ionty thulia (diplomová práce). Praha: FJFI ČVUT, 2022.
6. JIŘÍČKOVÁ, Bára; GRÁBNER, Martin; AUBRECHT, Jan; SCHREIBER, Ondřej; JAUREGUI, César; HONZÁTKO, Pavel ; PETERKA, Pavel. Temperature-dependent thulium cross sections. 10th EPS-QEOD Europhoton conference (30 August 2022).