pulses

  • ScienceResearchers Develop A Laser That Produces The Most Powerful Ultrashort

    Researchers develop a laser that produces the most powerful ultrashort laser pulses ever

    Overall system overview: A laser appears in the center of the image, and in the foreground are lenses and mirrors that reflect and redirect the laser beam. Credit: Moritz Seidel / ETH Zurich The word laser usually conjures up images of a continuous, intensely focused beam of light. Lasers that produce such light are actually quite common and useful. However,…

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  • PhysicsDirect Generation Of Spin Current Using Ultrashort Laser Pulses

    Direct generation of spin current using ultrashort laser pulses

    Experimental schematic and static characteristics. Source: Physical Review Letters (2024). DOI: 10.1103/PhysRevLett.133.106902 An international team of physicists has discovered that they can directly generate spin current using a specific type of ultrashort laser pulse. In a study published in the journal Physical Review Letters, the team generated the spin current using linearly polarized laser pulses and a circularly polarized probe…

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  • PhysicsResearchers Use Terahertz Light Pulses To Uncover Superconducting Disorders

    Researchers use terahertz light pulses to uncover superconducting disorders

    In the cuprate superconductor La1.83Sr0.17CuO4, interlayer tunneling inherits spatial disorder, which can be measured using isolated Josephson echoes in angle-resolved two-dimensional terahertz spectroscopy. Credit: Jörg Harms, MPSD A team of researchers from the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg, Germany, and Brookhaven National Laboratory in the United States has demonstrated a new way…

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