Diffuse terahertz spectroscopy in turbid media using a wavelet-based bimodality spectral analysis
Current terahertz (THz) spectroscopy techniques only use the coherent light beam for
spectral imaging. In the presence of electromagnetic scattering, however, the scattering …
spectral imaging. In the presence of electromagnetic scattering, however, the scattering …
[HTML][HTML] Spatial filtering based terahertz imaging of low absorbing objects
Terahertz (THz) imaging can serve as a versatile instrument to disclose contents of various
packages or discriminate its constituents. Particular attention deserves a case when …
packages or discriminate its constituents. Particular attention deserves a case when …
Spatial and spectral characteristics in realizations of broadband terahertz spectroscopy on a subwavelength scale
AN Guidi, ME Mitchell, JF Holzman - Scientific Reports, 2023 - nature.com
In this work, we take aim at the fundamental challenge for realizations of broadband
terahertz (THz) spectroscopy on a subwavelength scale. We introduce apertured THz …
terahertz (THz) spectroscopy on a subwavelength scale. We introduce apertured THz …
Reduction of scattering effects in THz-TDS signals
The scattering of terahertz radiation from the granular nature of a sample can potentially
distort or obscure its characteristic spectral features. Several techniques have been …
distort or obscure its characteristic spectral features. Several techniques have been …
Frontiers in terahertz imaging applications beyond absorption cross-section and diffraction limits
Label-free imaging technology is highly desirable for various bioengineering, medicine, and
chemistry applications. Most existing optical imaging techniques require labeling of the …
chemistry applications. Most existing optical imaging techniques require labeling of the …
Mitigating the effects of granular scattering using cepstrum analysis in terahertz time-domain spectral imaging
Terahertz (THz) imaging is a widely used technique in the study and detection of many
chemicals and biomolecules in polycrystalline form because the spectral absorption …
chemicals and biomolecules in polycrystalline form because the spectral absorption …
Chemical identification in the specular and off-specular rough-surface scattered terahertz spectra using wavelet shrinkage
We present the development and implementation of a novel wavelet shrinkage technique for
the retrieval of obscured characteristic resonant signatures in the scattered terahertz (THz) …
the retrieval of obscured characteristic resonant signatures in the scattered terahertz (THz) …
Improved sample characterization in terahertz reflection imaging and spectroscopy
For imaging applications involving biological subjects, the strong attenuation of terahertz
radiation by water means that terahertz pulsed imaging is most likely to be successfully …
radiation by water means that terahertz pulsed imaging is most likely to be successfully …
High resolution continuous wave terahertz spectroscopy on solid-state samples with coherent detection
We systematically investigate the data analysis methods in terahertz frequency domain
spectroscopy (THz-FDS) with coherent detection. We demonstrate that the Hilbert transform …
spectroscopy (THz-FDS) with coherent detection. We demonstrate that the Hilbert transform …
Multiresolution spectrally-encoded terahertz reflection imaging through a highly diffusive cloak
Turbid media, made of wavelength-scale inhomogeneous particles, can give rise to many
significant imaging and spectroscopy challenges. The random variation of the refractive …
significant imaging and spectroscopy challenges. The random variation of the refractive …