Terahertz quasi-time-domain spectroscopy imaging |
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Authors: | Scheller Maik Dürrschmidt Stefan F Stecher Matthias Koch Martin |
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Affiliation: | Fachbereich Physik, Philipps Universit?t Marburg, Renthof 5, 35032 Marburg, Germany. maik.scheller@physik.uni‐marburg.de |
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Abstract: | We demonstrate terahertz (THz) imaging with a quasi-time-domain spectrometer. This type of THz system is inexpensive, compact, and relatively easy to set up. Beating the simultaneously emitted equidistant modes of a compact diode laser allows for analysis of samples at multiple frequencies with a single measurement. Thus, this technique merges the potential of terahertz time-domain spectrometers with the simplicity of continuous wave lasers. Multiple imaging applications and stability issues are discussed. |
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