1. Small, inexpensive, and incredibly resilient: A new femtosecond laser for industry

    Small, inexpensive, and incredibly resilient: A new femtosecond laser for industry

    A team at the University of Warsaw, Faculty of Physics has created a laser capable of generating ultrashort pulses of light even under extremely difficult external conditions. This unique combination of precision and resilience is due to the fact that the whole process of generating femtosecond laser pulses takes place within a specially-selected optical fiber. Its appearance seems quite inconspicuous: just a flat, rectangular box, tens of centimeters across and about the same height, with a thin, shiny-tipped "thread" leading out of it, so long that it is rolled up into a coil. This small instrument, built by physicists from ...

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