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15 February 2012 High-power ultrashort fiber laser for solar cells micromachining
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We report on a high-power ultra-short fiber laser for thin film solar cells micromachining. The laser is based on Chirped Pulse Amplification (CPA) scheme. The pulses are stretched to hundreds of picoseconds prior to amplification and can be compressed down to picosecond at high energy. The repetition rate is adjustable from 100 kHz to 1 MHz and the optical average output power is close to 13 W (before compression). The whole setup is fully fibred, except the compressor achieved with bulk gratings, resulting on a compact and reliable solution for cold ablation.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J.-B. Lecourt, C. Duterte, F. Liegeois, D. Lekime, Y. Hernandez, and D. Giannone "High-power ultrashort fiber laser for solar cells micromachining", Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 823738 (15 February 2012);

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