In this paper, researchers have demonstrated that a Ho:YLF oscillator and amplifier system can be designed in a compact setup where the pump power from an unpolarized fibre laser utilized efficiently. The system produced more than 20 mJ energy per pulse at 1 kHz, while maintaining a M2 better than 1.1.
Reference:
Strauss, HJ, Koen, W and Bollig, C. 2009. Efficient fiber-laser-pumped Ho:YLF oscillator and amplifier utilizing the transmitted pump power of the oscillator. Conference on Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science (QELS), Baltimore, Maryland, USA, 31 May-5 June 2009, pp 1-2
Strauss, H. J., Koen, W., Bollig, C., Esser, M., Preussler, D., Nyangaza, K., & Jacobs, C. (2009). Efficient fiber-laser-pumped Ho:YLF oscillator and amplifier utilizing the transmitted pump power of the oscillator. OSA/CLEO/IQEC. http://hdl.handle.net/10204/3672
Strauss, Hencharl J, W Koen, C Bollig, MJD Esser, D Preussler, K Nyangaza, and Cobus Jacobs. "Efficient fiber-laser-pumped Ho:YLF oscillator and amplifier utilizing the transmitted pump power of the oscillator." (2009): http://hdl.handle.net/10204/3672
Strauss HJ, Koen W, Bollig C, Esser M, Preussler D, Nyangaza K, et al, Efficient fiber-laser-pumped Ho:YLF oscillator and amplifier utilizing the transmitted pump power of the oscillator; OSA/CLEO/IQEC; 2009. http://hdl.handle.net/10204/3672 .
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