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Bhandari, R.; Taira, T.; Miyamoto, A.; Furukawa, Y.; Tago, T. . (2012). > 3 MW peak power at 266 nm using Nd:YAG/ Cr^4+:YAG microchip laser and fluxless-BBO. Optical Materials Express, 2(7), 907–. doi:10.1364/OME.2.000907 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research