Characterization and application of dichroic filters in the 0.1-3-THz region

Characterization and application of dichroic filters in the 0.1-3-THz region

Low-loss dichroic filters, a subgroup of frequency-selective components, have been characterized by terahertz time-domain spectroscopy in the region from 0.1 to 3 THz and with Fourier transform spectroscopy. The two data sets are fully consistent. The time-domain spectrometer is used to investigate...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques Vol. 48; no. 4; pp. 744 - 749
Main Authors: Winnewisser, C., Lewen, F.T., Schall, M., Walther, M., Helm, H.
Format: Journal Article
Language:English
Published: New York IEEE 01-04-2000
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Bandwidth
Electromagnetic waveguides
Fourier transforms
Frequency
Frequency bands
Frequency mixing
Microwave filters
Microwaves
Monitors
Optical filters
Phase velocity
Power capacitors
Spectroscopy
Subgroups
Submillimeter wave filters
Submillimeter wave measurements
Time domain analysis
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Summary:Low-loss dichroic filters, a subgroup of frequency-selective components, have been characterized by terahertz time-domain spectroscopy in the region from 0.1 to 3 THz and with Fourier transform spectroscopy. The two data sets are fully consistent. The time-domain spectrometer is used to investigate the phase velocity behavior of dichroic filters. The dichroic filters have various applications in frequency mixing, multiplying, and diplexing experiments. In a novel application, cascaded filters were used to limit the terahertz pulse bandwidth and to monitor molecular transitions of atmospheric water vapor in a selected frequency band.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9480
1557-9670
DOI:10.1109/22.841968