Abstract
Development of the Ti:Al2O3 laser(1) has mainly been confined to laser pumping, because of its short (3.2 μsec) spontaneous emission lifetime, Esterowitz, et.al.,(2) reported successful flashlamp pumping of Ti:Al2O3, with efficiency enhanced by using a dye surrounding the laser rod to convert near UV light from the flashlamp into blue-green fluorescent overlapping the titanium absorption band (Fig. 1). The present work describes successful attempts to substantially increase the flashlamp pumped efficiency, and to better characterize flashlamp pumped behavior. In preliminary results a slope efficiency of approximately 3×10-4 was obtained(2), in our most recent results we have increased the flashpumped efficiency to 2×10-2.KeywordsOutput CouplerSlope EfficiencyPump EfficiencyDamage SpotTunable Solid State LaserThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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