Terahertz Sensors
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".
Deadline for manuscript submissions: 30 September 2024 | Viewed by 615
Special Issue Editor
Special Issue Information
Dear Colleagues,
For most molecular detections in practice, the concentration of samples is often at a trace level and samples cannot adequately interact with the incident THz wave, which results in difficulty in capturing weak changes in the amplitude and phase for conventional terahertz (THz) spectroscopy techniques and limits applications of THz spectroscopy. How to enhance the spectral signal of samples in the THz band becomes a key issue. In the recent decade, a number of spectral signal enhancement techniques, including surface plasmon resonance, quantum dots, metamaterials, and quasi-bound states in the continuum (QBIC), have been utilized to improve the detection sensitivity of THz spectroscopy. Despite these advancements, the limit of detection (LOD) still cannot satisfy the practical demand. Novel THz sensors with higher Q values and sensitivity, better easiness in fabrication, and better stability in utilization are continuously aspired. This Special Issue, therefore, seeks original research and review articles on the design, fabrication, and applications of novel THz sensors for low-concentration or even trace molecular detection in food, agriculture, biomedicine, etc.
Potential topics include, but are not limited to, the following themes:
- THz sensors: two-dimensional materials, metamaterials, quantum dots, photonic crystals, QBIC, etc.
- New THz sensing mechanisms and methods.
- THz sensing with new algorithms.
- THz sensing applications in new fields.
Dr. Dongshan Wei
Guest Editor
Manuscript Submission Information
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Keywords
- THz metamaterial
- THz sensing
- QBIC
- quantum dot
- photonic crystal
- molecular marker
- trace detection
- Q value
- sensitivity
- resonant frequency
