Multichannel balanced electro-optic detection for Terahertz imaging
Open accessAbstract
We present THz imaging with 1D electro-optic sampling of ultrashort THz pulses by multichannel balanced detection. Using a lock-in technique, it combines the advantage of a high signal to noise ratio along with the fast acquisition time of multichannel detection. The object is probed by a line focus and the resolution can be adjusted. The performance of the system is demonstrated exemplarily by imaging two objects.
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Thickness is usually determined by measuring the terahertz pulse delay of a sample.
“The determination of the thickness is typically carried out by measuring the THz pulse delay of a sample.6”
From Highly sensitive terahertz measurement of layer thickness using a two-cylinder waveguide sensor (2010) · cites this paper as [6]
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Terahertz spectroscopy and imaging - Modern techniques and applications
Jepsen, P. U., Cooke, D. G., & Koch, M. (2011) · Laser & Photonics Reviews · doi:10.1002/lpor.201000011 · Cited by 2,091 · see citing works
Highly sensitive terahertz measurement of layer thickness using a two-cylinder waveguide sensor
Theuer, M., Beigang, R., & Grischkowsky, D. (2010) · Applied Physics Letters · doi:10.1063/1.3481080 · Cited by 38 · see citing works
Design and evaluation of a THz time domain imaging system using standard optical design software
Brückner, C., Pradarutti, B., Müller, R., Riehemann, S., Notni, G., & Tünnermann, A. (2008) · Applied Optics · doi:10.1364/ao.47.004994 · Cited by 15 · see citing works
Self-citation
- Authors
- Pradarutti, B., Müller, R., Matthäus, G., Brückner, C., Riehemann, S., Notni, G., Nolte, S., & Tünnermann, A.
- Affiliations
- Fraunhofer Institute for Applied Optics and Precision Engineering (DE)
- Friedrich Schiller University Jena (DE)
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2007
- Volume
- 15
- Issue
- 26
- Pages
- 17652
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2042004736
- Cited by
- 32
- References
- 0
- Citations by year
- 2022: 1 · 2021: 2 · 2020: 1 · 2018: 3 · 2016: 2 · 2015: 1 · 2014: 3 · 2012: 1
- FWCI
- 5.35
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Optics Express (publishedVersion)
- PubMed (publishedVersion)
- Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft) (submittedVersion, other-oa)
- Fraunhofer-Publica (Fraunhofer-Gesellschaft) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
- Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Keywords
- terahertz imaging, electro-optic sampling, balanced detection, multichannel detection, phase-sensitive detection, line focus, spatial resolution, signal-to-noise ratio
- MeSH terms
- Electronics, Equipment Design, Image Interpretation, Computer-Assisted, Lasers, Lenses, Sensitivity and Specificity, Reproducibility of Results, Computer-Aided Design, Equipment Failure Analysis, Terahertz Radiation, Terahertz Spectroscopy
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