Proceedings PaperDiode pumping of tunable Cr-doped lasers
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Both Cr:LiCaAlF6 (Cr:LiCAF) and Cr:LiSrAlF6 (Cr:LiSAF) lasers have been pumped using visible laser diodes. Two commercial 10 mW laser diodes were polarization combined to demonstrate lasing in a low loss resonator. In addition, a higher power 665 nm laser diode was used to pump each laser, producing 15.9 mW cw and 51.8 mW pulsed at 10 Hz for Cr:LiCAF and 19.9 mW cw and 78 mW pulsed for Cr:LiSAF. Optical characterization of the gain media was performed using a dye laser. Gain, loss, slope efficiency and the dependence of the threshold on pump wavelength for each laser are reported.