Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Paul Repgen"'
Publikováno v:
Applied Physics B. 129
High repetition rate ultrafast lasers are needed for diverse applications. Harmonic modelocking, where multiple identical, equidistant pulses circulate in the cavity, reaches beyond the practical limitations of reducing the cavity length. However, it
Autor:
Andreas Wienke, Moritz Hinkelmann, Dietmar Kracht, Benedikt Schuhbauer, Veronika Adolfs, Paul Repgen, Jörg Neumann
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Ultrafast Thulium-doped fiber oscillators and amplifiers have become increasingly relevant over the past few years for applications like precise processing of polymers, as well as driving nonlinear frequency conversion stages to cover the fingerprint
Publikováno v:
Fiber Lasers XVIII: Technology and Systems.
Recently, Mamyshev oscillators (MO) have attained a lot of attention, due to their generation of mode-locked pulses with outstanding output parameters in terms of output energy, spectral bandwidth and pulse duration. We present a MO with output pulse
Autor:
Andreas Wienke, Dieter Wandt, Uwe Morgner, Benedikt Schuhbauer, Paul Repgen, Moritz Hinkelmann, Dietmar Kracht, Jörg Neumann
Publikováno v:
Fiber Lasers XVIII: Technology and Systems.
The principle of a Mamyshev oscillator depends on alternating spectral filtering between sections of spectral broadening by self-phase modulation. In the 2 µm wavelength range, this concept faces the difficulty that standard fibers are anomalous dis
Publikováno v:
Optics letters. 44(24)
In this Letter, we present a Mamyshev oscillator with an output power of 332 mW and a pulse energy of 31 nJ, which is directly amplified in an additional fiber section. By balancing the gain-narrowing effect with self-phase modulation during the ampl
Autor:
Benedikt Schuhbauer, Andreas Wienke, Paul Repgen, Jörg Neumann, Uwe Morgner, Moritz Hinkelmann, Dieter Wandt, Dietmar Kracht
Publikováno v:
Optics express. 28(9)
We present experimental results of the generation of ultrashort pulses in the 2 µm wavelength region by a fiber Mamyshev oscillator, along with the simulation of the pulse propagation in the cavity. The Mamyshev oscillator emitted pulses with energi
Publikováno v:
EPJ Web of Conferences. 267:02049
Publikováno v:
Fiber Lasers XV: Technology and Systems.
We present the application of the dispersion scan (d-scan) technique in order to fully characterize intensity and phase of ultrafast pulses compressed by a grating-prism (grism) compressor. Ultrafast pulses are generated in an Yb-doped fiber oscillat
Publikováno v:
Scopus-Elsevier
Ultrafast fiber laser systems with sub-200 fs pulse duration and pulse energies in the μΐ-range operating at a wavelength around 1 μm are excellent tools for a variety of applications in efficient and high-quality micromachining processes, e.g. st
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