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Evaluation of the Performance of an HO:yap Laser Resonantly Pumped by a Thulium Fiber Laser

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Journal of Russian Laser Research Aims and scope

Abstract

We investigate the continuous-wave performance of an Ho:YAP laser resonantly pumped by a Tm fiber laser at different output transmittance of 20 %, 30 %, and 50 %. We use a 40 mm long a-cut crystal with 0.5 at.% Ho ion. Our experimental results show that the best power performance is obtained at an output transmittance of 30 %. At an absorbed pump power of 12.1 W, we obtain a maximum output power of 6.1 W at 2118.1 nm with a slope efficiency of 63.4 %. The laser operates at the TEM00 mode with a beam quality factor M 2 ~ 1.5 measured using a 90/10 knife-edge method.

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Authors and Affiliations

  1. College of Power and Energy Engineering Institute of Marine Engine Electronic Control Technology, Harbin Engineering University, Harbin, 150001, China

    X. T. Yang, X. Z. Ma & W. H. Li

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  1. X. T. Yang
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  2. X. Z. Ma
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  3. W. H. Li
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Correspondence to X. T. Yang.

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Yang, X.T., Ma, X.Z. & Li, W.H. Evaluation of the Performance of an HO:yap Laser Resonantly Pumped by a Thulium Fiber Laser. J Russ Laser Res 35, 219–223 (2014). https://doi.org/10.1007/s10946-014-9416-5

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  • DOI: https://doi.org/10.1007/s10946-014-9416-5

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