Continuous-wave-fiber-laser-pumped Ti:sapphire laser

Kavita Devi; S. Chaitanya Kumar; G. K. Samanta; M. Ebrahim-Zadeh

doi:10.1117/12.896171

23 August 2011 Continuous-wave-fiber-laser-pumped Ti:sapphire laser

Kavita Devi, S. Chaitanya Kumar, G. K. Samanta, M. Ebrahim-Zadeh

Proceedings Volume 8173, Photonics 2010: Tenth International Conference on Fiber Optics and Photonics; 81730J (2011) https://doi.org/10.1117/12.896171
Event: International Conference on Fiber Optics and Photonics, 2010, Guwahati, India

Abstract

We report the first experimental demonstration of a high-power Ti:sapphire laser pumped by an efficient, compact and cost-effective continuous-wave (cw) fiber-laser-green source at 532 nm. The green source is obtained by direct singlepass second-harmonic-generation (SHG) of a Yb-fiber laser in MgO:sPPLT crystal, providing 11 W of green power in TEM₀₀ spatial profile. The Ti:sapphire laser is continuously tunable across 743-970 nm and can deliver an output power up to 2.7 W with a slope efficiency as high as 32.8% under optimum output coupling of 20%. The laser output has a TEM₀₀ spatial profile with M²<1.44 across the tuning range and exhibits a peak-to-peak power fluctuation below 5.1% over 1 hour.

Citation Download Citation

Kavita Devi, S. Chaitanya Kumar, G. K. Samanta, and M. Ebrahim-Zadeh "Continuous-wave-fiber-laser-pumped Ti:sapphire laser", Proc. SPIE 8173, Photonics 2010: Tenth International Conference on Fiber Optics and Photonics, 81730J (23 August 2011); https://doi.org/10.1117/12.896171

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