Optically pumped potassium laser
Section snippets
Acknowledgements
We acknowledge support of the Air Force Office of Scientific Research, the Joint Technology Office for High Energy Lasers, and the National Science Foundation.
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Gradient heating protocol for a diode-pumped alkali laser
2018, Optics and Laser TechnologyInvestigation of pump-to-seed beam matching on output features of Rb and Cs vapor laser amplifiers
2018, Optics and Laser TechnologyCitation Excerpt :There is increasing interest of diode-pumped alkali vapor laser (DPAL) for its potential to achieve high efficiency and high power laser [1–7].
Computation of three-dimensional temperature distribution in diode-pumped alkali vapor amplifiers
2016, Optics CommunicationsCitation Excerpt :Having the positive features as compared to chemical, solid state and fiber lasers, such as high quantum efficiency, good thermal performance, narrow linewidth, compact size and so on [1,2], DPALs are thought to have the potential to achieve high power in a high quality beam that is very desirable for various important applications in science, technology and national security areas [2]. Till now, the rise in output power of DPALs from mW to kW, via the use of high-power laser diodes and flowing-gas configuration, has been dramatic, demonstrating the high efficiency of DPALs and the potential for power scaling [2–8]. In order to further power scale DPALs, one feasible method is to use master oscillator power amplifier (MOPA), which can leverage the low-power seed laser and scale it to high power level, while preserving both the spectral and spatial beam qualities of the seed laser at the same time [2].
Theoretical analysis of the semi-ring and trapezoid LD side-pumped alkali vapor lasers
2016, Optics CommunicationsCitation Excerpt :Diode-pumped alkali vapor lasers (DPALs), one of the lasers which are thought to have the potential to achieve high efficiency and high power in a high quality beam, have developed very fast during the past dozen years [1–6].
Intensity scaling of an optically pumped potassium laser
2015, Optics CommunicationsCitation Excerpt :Atmospheric transmission for the K laser is good, lying between two rotational lines of the O2 (X-b) system [10]. The first K laser using a surrogate continuous wave (cw) pump and ethane buffer gas achieved 14 mW with 20% slope efficiency in 2007 [11] quickly followed by a similar system with helium buffer gas [12]. A more efficient (64%), pulsed system was scaled to 10 mJ/pulse in 2009 [13].