4 March 2014 Optimized Findlay Clay analysis for diode side-pumped Nd:YAG lasers
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The standard Findlay Clay Analysis cannot be applied to diode side-pumped Nd:YAG lasers because both the pump wavelength as well as the gain change with the diode current and the cooling water temperature. We have developed a modified method which is based on the variation of the cooling water temperature to determine the lowest threshold for each output coupler. We have applied this technique to a 300 Watt class side Nd:YAG rod laser. The resulting Findlay Clay plot exhibits very good linearity and the measured gain and loss were confirmed by comparing measured output power at different cooling water temperatures with theoretical values provided by a Rigrod power model.
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Avid Farhoodfar, Sydney Sukuta, "Optimized Findlay Clay analysis for diode side-pumped Nd:YAG lasers", Proc. SPIE 8960, Laser Resonators, Microresonators, and Beam Control XVI, 89601Y (4 March 2014); doi: 10.1117/12.2041608; https://doi.org/10.1117/12.2041608

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