Abstract
We report on a compact efficient high-repetition-rate (>100 kHz) optically pumped AlGaInAs nanosecond eye-safe laser at 1525 nm. A diamond heat spreader bonded to the gain chip is employed to improve the heat removal. At a pump power of 13.3 W, the average output power at a repetition rate 200 kHz is up to 3.12 W, corresponding to a peak output power of 560 W. At a repetition rate 500 kHz, the maximum average power and peak power are found to be 2.32 W and 170 W, respectively.
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Acknowledgements
The authors gratefully acknowledge various AlGaInAs/InP gain chips from TrueLight Corporation. The authors also thank the National Science Council for their financial support of this research under Contract No. NSC-100-2628-M-009-001-MY3.
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Chen, YF., Su, K.W., Chen, W.L. et al. High-peak-power optically pumped AlGaInAs eye-safe laser at 500-kHz repetition rate with an intracavity diamond heat spreader. Appl. Phys. B 108, 319–323 (2012). https://doi.org/10.1007/s00340-012-4954-4
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DOI: https://doi.org/10.1007/s00340-012-4954-4