300-mJ diode-pumped 1.9-um Tm:YLF laser

Mulugeta Petros; Jirong Yu; Upendra N. Singh; Brian M. Walsh; Norman P. Barnes; James C. Barnes

doi:10.1117/12.452783

9 January 2002 300-mJ diode-pumped 1.9-μm Tm:YLF laser

Mulugeta Petros, Jirong Yu, Upendra N. Singh, Brian M. Walsh, Norman P. Barnes, James C. Barnes

Proceedings Volume 4484, Lidar Remote Sensing for Industry and Environment Monitoring II; (2002) https://doi.org/10.1117/12.452783
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

We report on a diode pumped Tm: YLF laser generating 1.9 micrometers output. Recently, research is being pursued to produce laser wavelength around 2 micrometers by separating the Ho and Tm ions in different laser hosts. Compared to co-doped laser hosts; a higher efficiency performance can be achieved by directly pumping the Holmium with a 1.9 micrometers Tm laser due to the elimination of energy sharing between Tm and Ho as well as deleterious upconversion effects in co-doped systems. A 300-mJ Tm:YLF laser at room temperature has been demonstrated. The laser design and laser performance is described. To our knowledge, this is the highest energy ever reported for this laser material.

Citation Download Citation

Mulugeta Petros, Jirong Yu, Upendra N. Singh, Brian M. Walsh, Norman P. Barnes, and James C. Barnes "300-mJ diode-pumped 1.9-μm Tm:YLF laser", Proc. SPIE 4484, Lidar Remote Sensing for Industry and Environment Monitoring II, (9 January 2002); https://doi.org/10.1117/12.452783

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