Patrick Forster
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View article: High-energy nanosecond pulse extraction from a Tm<sup>3+</sup>-doped photonic crystal fiber laser emitting at 2050 nm with narrow linewidth
High-energy nanosecond pulse extraction from a Tm<sup>3+</sup>-doped photonic crystal fiber laser emitting at 2050 nm with narrow linewidth Open
A nanosecond-pulsed diode-pumped Tm 3+ -doped fiber laser (TDFL) operating at 2050 nm is reported based on a flexible photonic crystal fiber (PCF) with a core diameter of 50 µm. Analytical evaluation of reabsorption effects and optimizatio…
View article: Nanosecond pulsed narrow-linewidth all-fiber source for ZGP-OPO pumping
Nanosecond pulsed narrow-linewidth all-fiber source for ZGP-OPO pumping Open
We demonstrate a pulsed three-stage master oscillator power amplifier (MOPA) at a wavelength of 2047 nm and its application for mid-IR generation via pumping a ZnGeP 2 (ZGP) optical parametric oscillator (OPO). A maximum MOPA output power …
View article: High-pulse-energy high-brightness Q-switched Tm<sup>3+</sup>:Ho<sup>3+</sup>-codoped triple-clad polarization- maintaining fiber laser
High-pulse-energy high-brightness Q-switched Tm<sup>3+</sup>:Ho<sup>3+</sup>-codoped triple-clad polarization- maintaining fiber laser Open
A Q-switched polarization-maintaining (PM) Thulium (Tm 3+ ):Holmium (Ho 3+ )-codoped triple-clad fiber (THTF) laser is under investigation with special focus on important optical parameters enabling efficient frequency conversion into mid-…
View article: Investigation of the pulse energy limits of actively Q-switched polarization-maintaining Tm<sup>3+</sup>-doped fiber lasers
Investigation of the pulse energy limits of actively Q-switched polarization-maintaining Tm<sup>3+</sup>-doped fiber lasers Open
A diode-pumped actively Q-switched polarization-maintaining Tm 3+ -doped fiber laser is reported generating pulse energies of 630 μJ, minimum pulse widths of 42 ns, and a maximum peak power of 13.9 kW with linear polarized output and diffr…