Non-invasive method of field imaging in parallel plate waveguides

We present a new non-invasive air-photonic-based method of terahertz (THz) field imaging inside a parallel plate waveguide. The method is based on THz field-enhanced second harmonic generation of the fundamental laser beam in an external electric field. We also demonstrate the direct measurements of...

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Bibliographic Details
Main Authors: Iwaszczuk, K., Andryieuski, A., Lavrinenko, A., Zhang, X., Jepsen, P. U.
Format: Conference Proceeding
Language:English
Subjects:
Frequency measurement
Laser beams
Measurement by laser beam
Optical waveguides
Reflection
Transient analysis
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Summary:We present a new non-invasive air-photonic-based method of terahertz (THz) field imaging inside a parallel plate waveguide. The method is based on THz field-enhanced second harmonic generation of the fundamental laser beam in an external electric field. We also demonstrate the direct measurements of the frequency-dependent reflection coefficient at the end of the waveguide.
ISSN:2162-2027
DOI:10.1109/irmmw-THz.2011.6105148