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Real-time detection and imaging of terahertz pulse radiation by using photoacoustic conversion
Real-time detection and imaging of terahertz pulse radiation by using photoacoustic conversion
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机译:利用光声转换对太赫兹脉冲辐射进行实时检测和成像
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摘要
Methods and devices for high speed detection of terahertz radiation are provided. A photoacoustic transducer receives a pulse of terahertz (THz) radiation. The transducer may comprise a solid, liquid, or semi-solid material. For example, the transducer may be a composite material having a polymer and radiation absorbing particles. The photoacoustic transducer produces an acoustic wave (e.g., an ultrasound wave) in response to receiving the pulse of THz radiation. An acoustic sensor receives the acoustic wave produced by the photoacoustic transducer and thus provides detection of the THz wave.
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