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pro vyhledávání: '"Ramon Springer"'
Autor:
Ramon Springer, Christoph Pflaum
Publikováno v:
Conference on Lasers and Electro-Optics.
We present a numerical simulation technique for short laser pulse amplification in solid-state crystals. It takes into account the full spatial pumping profile by solving the 3-dimensional photon transport and allows to calculate pulse energy accurat
Publikováno v:
Computational Optics II.
A ray tracing model for thermal effects solid-state single-pass amplifiers is presented, which is able to simulate thermal lensing, depolarization and beam quality degradation. The ray tracing algorithm is based on alternatively evaluating the axial
Autor:
Ramon Springer, Christoph Pflaum
Publikováno v:
Fiber Lasers and Glass Photonics: Materials through Applications.
This work demonstrates a new simulation technique, which combines the previously published Dynamic Mode Analysis with the coupling of arbitrary sets of rate equations. Those arbitrary sets include the representation of gain media, which state populat
Publikováno v:
Fiber Lasers and Glass Photonics: Materials through Applications.
The numerical simulation of a regenerative amplifier based on codoped Tm,Ho:YAG is presented. Within this work, a maximum pulse energy of 3.1 mJ is observed for 0.9 kW CW end-pumping at 785 nm. The simulation results demonstrate that interionic mecha
Publikováno v:
SID Symposium Digest of Technical Papers. 47:1768-1770
Two 3-stack tandem white OLEDs devices with blue-yellow-blue and blue-blue-yellow structures with fluorescent blue and yellow phosphorescent materials were investigated about various performances for display applications. We report CIE coordinates of
Autor:
Ramon Springer, Christoph Pflaum
Publikováno v:
2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD).
This paper demonstrates a one dimensional numerical model for single-pass solid state laser amplifiers. It is shown that after amplification the temporal shape of individual pulses within a pulse train can significantly vary, which results in an unst
Autor:
Ramon Springer, Christoph Pflaum
Publikováno v:
Optics Express. 27:22898
Simulation and experimental improvement of a pulsed Cr,Tm,Ho:YAG (CTH:YAG) laser is presented. In order to simulate the CTH-Laser a generalized version of the Dynamic Mode Analysis (gDMA) is introduced, which includes an abstract formalism to describ
Publikováno v:
Journal of the Optical Society of America B. 36:717
Within this work, the numerical solution of the photon transport equation for pulse amplification is presented. Several discretization schemes are introduced that enable the calculation of the coupling between the transport equation and population in