Browsing Journal Articles by Author "Jacobs, Cobus"

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330 mJ single-frequency Ho:YLF slab amplifier

Author: Strauss, Hencharl J ; Preussler, D ; Esser, MJD ; Koen, W ; Jacobs, Cobus ; Collett, OJP ; Bollig, C Date: Apr 2013 We report on a double-pass Ho:YLF slab amplifier which delivered 350 ns long single-frequency pulses of up to 330 mJ at 2064 nm, with a maximum M(sup2) of 1.5 at 50 Hz. It was end pumped with a diode-pumped Tm:YLF slab laser and seeded with ... Read more
Compact fibre-laser-pumped Ho:YLF oscillator–amplifier system

Author: Koen, W ; Bollig, C ; Strauss, Hencharl J ; Schellhorn, M ; Jacobs, Cobus ; Esser, MJD Date: Apr 2010 The authors developed a compact Ho:YLF oscillator–amplifier system in a novel setup to utilise the unpolarised pump power from a fibre laser efficiently, and produced 21.3 mJ at 1 kHz, with an M 2 better than 1.1. The amplified energies agreed ... Read more
Development of high-power and high-energy 2 µm bulk solid-state lasers and amplifiers

Author: Koen, W ; Jacobs, Cobus ; Wu, Lorinda ; Strauss, Hencharl J Date: Apr 2016 A selection of 2 µm lasers and amplifiers developed at the CSIR National Laser Centre in South Africa is presented. A diverse range of near diffraction-limited 2 µm lasers and amplifiers were developed which varied from high-energy, ... Read more
Ho:YLF & Ho:LuLF slab amplifier system delivering 200 mJ, 2 µm single-frequency pulses

Author: Strauss, Hencharl J ; Koen, W ; Bollig, C ; Esser, MJD ; Jacobs, Cobus ; Collett, OJP ; Preussler, DR Date: Jul 2011 A single-frequency single-pass amplifier based on Ho:YLF and Ho:LuLF in a scalable slab architecture delivering up to 210 mJ at 2064 nm is demonstrated. The amplifier was end-pumped by a 1890 nm Tm:YLF slab laser and was seeded with a 69 mJ ... Read more
Ho:YLF pumped HBr laser

Author: Botha, LR ; Bollig, C ; Esser, MJD ; Campbell, RN ; Jacobs, Cobus ; Preussler, DR Date: Oct 2009 A Ho:YLF laser pumped HBr molecular laser was developed that produced up to 2.5mJ of energy in the 4 micron wavelength region. The Ho:YLF laser was fiber pumped using a commercial Tm:fibre laser. The Ho:YLF laser was operated in a single ... Read more
Optically pumped tunable HBr laser in the mid-infrared region

Author: Koen, W ; Jacobs, Cobus ; Bollig, C ; Strauss, Hencharl J ; Esser, MJD ; Botha, LR Date: Jun 2014 An optically pumped tunable HBr laser has been demonstrated for the first time. The pump source was a single-frequency Ho:YLF laser and amplifier system, which was locked to the 2064 nm absorption line of HBr. Laser oscillation was demonstrated ... Read more
Power and energy scaling of a diode-end-pumped Nd:YLF laser through gain optimization

Author: Bollig, C ; Jacobs, Cobus ; Esser, MJD ; Bernhard, EH ; Von Bergmann, HM Date: Jun 2010 An end-pumped Nd:YLF laser was demonstrated, which delivered 60.3 W continuous-wave and more than 52 W Q-switched average power for all repetition rates from 5 to 30 kHz. To achieve this, an analytical solution to estimate and optimize the ... Read more

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Browsing Journal Articles by Author "Jacobs, Cobus"

Browsing Journal Articles by Author "Jacobs, Cobus"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect