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In the summer of 1993, two Russian scientists from the Institute of Physics in Nizhny Novgorod drove the 1, 934 km to Umeå, where I was based at that time, in their red Lada car loaded with a home-built Ti:Sa laser. Within a few days, the laser was put in operation, pumped by a small argon-ion laser, and produced stable -100 fs pulses at 790 nm. These pulses were applied to our favorite topic at t
