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Alluxa - Optical Coatings LB 8/23

Terahertz Source Employs Intracavity Optical Parametric Oscillator

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Richard Gaughan

Terahertz radiation — electromagnetic waves in the spectral region between the far-infrared and microwaves — has applications from medical imaging and the detection of illicit drugs to security screening. But terahertz-generation schemes typically suffer from poor energy conversion and low out-put powers. A new method involving an intracavity optical parametric oscillator promises to overcome this. Terahertz radiation is useful for a variety of applications, including the detection of illicit drugs, because it is transmitted through many materials that are opaque to optical and radio...Read full article

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    Published: May 2006
    Glossary
    terahertz radiation
    Electromagnetic radiation with frequencies between 300 GHz and 10 THz, and existing between regions of the electromagnetic spectrum that are typically classified as the far-infrared and microwave regions. Because terahertz waves have the ability to penetrate some solid materials, they have the potential for applications in medicine and surveillance.
    CoatingsdefenseFeaturesgenermagnetic wavesintracavity optical parametric oscillatorterahertz radiation

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