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New Detector Harnesses THz Light Efficiently

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ANN ARBOR, Mich., May 20, 2014 — A new take on traditional gauges and imaging systems could more efficiently harness THz frequencies that have long eluded detectors. Researchers at the University of Michigan have created a transducer that makes light-to-sound conversion possible — the new device turns THz light (t-rays) into ultrasound waves, and then transmits them. A new detector turns THz light into ultrasound waves. Courtesy of University of Michigan. While such detectors are old hat, the new device is more sensitive, according to Jay Guo, lead researcher and a professor of electrical engineering,...Read full article

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    Published: May 2014
    Glossary
    microring resonator
    A microring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped waveguide structure to selectively enhance or filter certain wavelengths of light. Microring resonators are essential components in integrated photonics and are used in various applications, including optical communication systems, sensing, and signal processing. Key features and principles of microring resonators include: Ring structure: A microring resonator consists...
    terahertz
    Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1 and 10 terahertz. One terahertz is equivalent to one trillion hertz, or cycles per second. The terahertz frequency range falls between the microwave and infrared regions of the electromagnetic spectrum. Key points about terahertz include: Frequency range: The terahertz range spans from approximately 0.1 terahertz (100 gigahertz) to 10 terahertz. This corresponds to...
    carbon nanotubesCommunicationscomputer scienceelectrical engineeringenergyJay GuoLight Sourcesmechanical engineeringMichiganMicroring resonatorNational Science FoundationOpticsPDMSpolydimethylsiloxaneResearch & TechnologySensors & DetectorsT-raysterahertzTHzU.S. air force office of scientific researchUniversity of Michiganultrasound wavesmacromolecular science

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