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Showing 1–3 of 3 results
Advanced filters: Author: Arman Cingöz Clear advanced filters

  • Extreme-ultraviolet frequency combs have previously been used to realize spectroscopy with a megahertz level resolution, but higher resolutions are desired for precision-measurement applications. Now, a sub-hertz spectral resolution is demonstrated, which corresponds to coherence times of over 1 s at photon energies up to 20 eV; such coherence times are over six orders of magnitude longer than those previously reported.

    • Craig Benko
    • Thomas K. Allison
    • Jun Ye
    Research
    Nature Photonics
    Volume: 8, P: 530-536

  • By coupling a high-power, high-repetition-rate near-infrared frequency comb to a femtosecond optical cavity, a frequency comb operating in the extreme-ultraviolet spectral range has been produced, by high harmonic generation, and provides high-resolution spectroscopy in this spectral region.

    • Arman Cingöz
    • Dylan C. Yost
    • Jun Ye
    Research
    Nature
    Volume: 482, P: 68-71

  • Sea-based optical clocks combining a molecular iodine spectrometer, fibre frequency comb and electronics for monitoring and control demonstrate high precision in a smaller volume than active hydrogen masers.

    • Jonathan D. Roslund
    • Arman Cingöz
    • Martin M. Boyd
    ResearchOpen Access
    Nature
    Volume: 628, P: 736-740