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Researchers Push Broadband High-Resolution Frequency Combs into the UV

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ORLANDO, Fla., Nov. 4, 2024 — Researchers have developed an ultrafast laser platform that generates ultra-broadband UV frequency combs with an unprecedented one million comb lines, providing exceptional spectral resolution. The approach, which also produces extremely accurate and stable frequencies, could enhance high-resolution atomic and molecular spectroscopy. Optical frequency combs, which emit thousands of regularly spaced spectral lines, have been essential to fields like metrology, spectroscopy, and precision timekeeping via optical atomic clocks, earning the 2005 Nobel Prize in Physics. The first...Read full article

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    Published: November 2024
    Glossary
    frequency comb
    A frequency comb is a precise and regular series of equally spaced spectral lines, or frequencies, that are generated with great accuracy. The term "frequency comb" is often associated with the Nobel Prize-winning technique known as frequency comb spectroscopy, developed by John L. Hall and Theodor W. Hänsch in the 1990s. The technology has since become a powerful tool in various scientific and technological applications. Key points about frequency combs: Origin and development: The...
    ultraviolet
    That invisible region of the spectrum just beyond the violet end of the visible region. Wavelengths range from 1 to 400 nm.
    metrology
    Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement, including the development of measurement standards, techniques, and instruments, as well as the application of measurement principles in various fields. The primary objectives of metrology are to ensure accuracy, reliability, and consistency in measurements and to establish traceability to recognized standards. Metrology plays a crucial role in science, industry,...
    Research & TechnologyLasersfrequency combultravioletcomb laserharmonicspectroscopyIPGOptiGratemeasurementmetrologySensors & Detectorsspectral resolutionUniversity of Central FloridaUCFCREOLthe College of Optics & PhotonicsKonstantin VodopyanovAmericas

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