An etalon-based method for frequency cal
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M. Naftaly; R.A. Dudley; J.R. Fletcher
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Article
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2010
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Elsevier Science
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English
β 334 KB
We present an etalon-based method of calibrating the frequency of terahertz time-domain spectrometers (THz TDS). The method utilizes the etalon effect produced by multiple reflections in non-absorbing wafers or in narrow air-gaps. The technique provides frequency calibration across the measurement b