The Effect of Terahertz Scattering on Loss Coefficient in Granular Compacts
Abstract
Terahertz (THz) scattering in compacts is of great interest due to its potential to quantify particle size changes in granular materials. In this study, we investigate the effect of both particle size and concentration on THz scattering. The scattering contributions to the loss coefficient are extracted and analysed using specially fabricated samples consisting of borosilicate microspheres suspended in either a polytetrafluoroethylene (PTFE) or paraffin oil matrix.
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Murphy et al. documented anomalous spectral features within two-part granular compacts that fluctuate depending on microsphere size and concentration.
“Research by Murphy et al. [17], [18], [19], [20] has documented the presence of anomalous spectral features within two-part granular compacts, which were observed to fluctuate d epending o n m icrosphere s ize a nd concentration.”
From Unveiling the Origin of Spurious Features in THz-TDS of Powder Compacts (2025) · cites this paper as [19]
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Self-citationPolymer Pellet Fabrication for Accurate THz-TDS Measurements
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Self-citationAnalysis of THz Scattering of Compacted Granular Materials using THz-TDS
Murphy, K. N., Naftaly, M., Nordon, A., & Markl, D. (2022) · International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) · doi:10.1109/irmmw-thz50927.2022.9895792 · Cited by 4 · see citing works
Self-citationEffect of Microsphere Concentration and Size in Compacts on Terahertz Scattering
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Unveiling the Origin of Spurious Features in THz-TDS of Powder Compacts
Gorecki, J., Murphy, K. N., Markl, D., Burnett, A. D., & Naftaly, M. (2025) · IEEE Transactions on Terahertz Science and Technology · doi:10.1109/tthz.2025.3549944 · Cited by 4 · see citing works
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- Authors
- Murphy, K. N., Naftaly, M., Nordon, A., & Markl, D.
- Affiliations
- University of Strathclyde (GB)
- National Physical Laboratory (GB)
- Venue
- 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
- Publisher
- IEEE
- Published
- 2023-09-17
- Pages
- 1-2
- OpenAlex
- W4388040025
- Cited by
- 1
- References
- 12
- Citations by year
- 2025: 1
- FWCI
- 0.49
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Microwave and Dielectric Measurement Techniques
- Physical Sciences › Engineering › Mechanics of Materials › Ultrasonics and Acoustic Wave Propagation
- Keywords
- terahertz scattering, loss coefficient, particle size, particle concentration
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