ArticleLight, science & applications2019
Spatial sampling of terahertz fields with sub-wavelength accuracy via probe-beam encoding.
Article in Light, science & applications, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Terahertz microscopy through complex media.Scientific reports · 2025Article
- Vegetation Loss Measurements for Single Alley Trees in Millimeter-Wave Bands.Sensors (Basel, Switzerland) · 2024Article
- Rapid sensing of hidden objects and defects using a single-pixel diffractive terahertz sensor.Nature communications · 2023Article
- High-throughput terahertz imaging: progress and challenges.Light, science & applications · 2023Review
- Single-shot ultrafast terahertz photography.Nature communications · 2023Article
- Mid-infrared single-pixel imaging at the single-photon level.Nature communications · 2023Article
- Recent Progress of Terahertz Spatial Light Modulators: Materials, Principles and Applications.Micromachines · 2022Review
- Deterministic Terahertz Wave Control in Scattering Media.ACS photonics · 2022Article
- Dual-color terahertz spatial light modulator for single-pixel imaging.Light, science & applications · 2022Article
- Terahertz near-field microscopy based on an air-plasma dynamic aperture.Light, science & applications · 2022Article
- Speckle patterns formed by broadband terahertz radiation and their applications for ghost imaging.Scientific reports · 2021Article
- Roadmap of Terahertz Imaging 2021.Sensors (Basel, Switzerland) · 2021Review
- Terahertz aqueous photonics.Frontiers of optoelectronics · 2021Review
- Route to Intelligent Imaging Reconstruction via Terahertz Nonlinear Ghost Imaging.Micromachines · 2020Article
- Ghost spintronic THz-emitter-array microscope.Light, science & applications · 2020Article
- Terahertz spatial sampling with subwavelength accuracy.Light, science & applications · 2019Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recently, computational sampling methods have been implemented to spatially characterize terahertz (THz) fields. Previous methods usually rely on either specialized THz devices such as THz spatial light modulators or complicated systems requiring assistance from photon-excited free carriers with high-speed synchronization among multiple optical beams. Here, by spatially encoding an 800-nm near-infrared (NIR) probe beam through the use of an optical SLM, we demonstrate a simple sampling approach that can probe THz fields with a single-pixel camera. This design does not require any dedicated THz devices, semiconductors or nanofilms to modulate THz fields. Using computational algorithms, we successfully measure 128 × 128 field distributions with a 62-μm transverse spatial resolution, which is 15 times smaller than the central wavelength of the THz signal (940 μm). Benefitting from the non-invasive nature of THz radiation and sub-wavelength resolution of our system, this simple approach can be used in applications such as biomedical sensing, inspection of flaws in industrial products, and so on.
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