Results 171 to 180 of about 31,529 (265)

Hyperspectral terahertz imaging and optical clearance for cancer classification in breast tumor surgical specimen. [PDF]

J Med Imaging (Bellingham), 2022
Vohra N, Liu H, Nelson AH, Bailey K, El-Shenawee M.   +4 more
europepmc   +1 more source

Laser Stabilized to a Fiber Interferometer With Close‐To‐Zero Temperature Sensitivity

Laser &Photonics Reviews, EarlyView.
A laser stabilized to a hollow‐core fibre interferometer is presented. The interferometer is designed to have near‐zero temperature phase‐sensitivity. Laser stabilized to this interferometer put in a non‐vacuum environment achieves ±550 kHz frequency variation over 100 h and an Allan deviation of 2 × 10−14τ, which is comparable to miniature ULE ...
Bo Shi, Irene Barbeito Edreira, Meng Ding, Zitong Feng, Win Indra, Francesco Poletti, Giuseppe Marra, Radan Slavík   +7 more
wiley   +1 more source

Simulation-assisted multimodal deep learning (Sim-MDL) fusion models for the evaluation of thermal barrier coatings using infrared thermography and Terahertz imaging. [PDF]

Sci Rep
Purayil SKK, Aroliveetil S, Chaturvedi A, Balasubramaniam K.   +3 more
europepmc   +1 more source

Mode‐Locked Pulse Generation in Plasmonic Lattices

Laser &Photonics Reviews, EarlyView.
The plasmonic superlattices overlaid with optically pumped organic molecules produce multimode lasing due to mid‐range radiative coupling (MR‐RC, lambda) and long‐range radiative coupling (LR‐RC, 10 lambda). Right: The mode locking emerges spontaneously due to the shared excited state molecular populations which may emit photons to various different ...
Janne I. Heikkinen, Roman Calpe, Laura Yrjänheikki, Atri Halder, Antti J. Moilanen, Matias Koivurova, Tommi K. Hakala   +6 more
wiley   +1 more source

Non-destructive detection of early wheat germination via deep learning-optimized terahertz imaging. [PDF]

Plant Methods
Li G, Ge H, Jiang Y, Zhang Y, Jin X.
europepmc   +1 more source

Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends

Laser &Photonics Reviews, EarlyView.
This review examines how optical coherence tomography transforms industrial inspection by delivering real‐time, micrometer‐resolution, depth‐resolved imaging. It surveys applications across display manufacturing, thin films, microelectronics, laser processing, and coatings, evaluates performance against conventional techniques, and highlights emerging ...
Nipun Shantha Kahatapitiya, Sm Abu Saleah, Daewoon Seong, Naresh Kumar Ravichandran, Sangyeob Han, Ruchire Eranga Wijesinghe, Mansik Jeon, Jeehyun Kim   +7 more
wiley   +1 more source

Terahertz Imaging Detects Oral Cariogenic Microbial Domains Characteristics. [PDF]

J Dent Res
Zhang A, Lei L, Cheng L, Yin H, Zhang C, Luo J, Wu F, Hu M, Cheng R, Hu T.   +9 more
europepmc   +1 more source

Terahertz imaging demonstrates its diagnostic potential and reveals a relationship between cutaneous dehydration and neuropathy for diabetic foot syndrome patients. [PDF]

Sci Rep, 2022
Hernandez-Cardoso GG, Amador-Medina LF, Gutierrez-Torres G, Reyes-Reyes ES, Benavides Martínez CA, Cardona Espinoza C, Arce Cruz J, Salas-Gutierrez I, Murillo-Ortíz BO, Castro-Camus E.   +9 more
europepmc   +1 more source

Reconfigurable Circularly Polarized Terahertz Emission from vdW Ferroelectric NbOI2

Laser &Photonics Reviews, EarlyView.
A controllable chiral terahertz pulse can be generated using a simple dual‐flake vdW ferroelectric NbOI2 emitter in which the polar axes of the two NbOI2 flakes are orthogonal. Both the chirality and the ellipticity can be manipulated by varying the separation distance and the orientations of their polar axes.
Baolong Zhang, Ruihuan Duan, Zheng Liu, Ranjan Singh   +3 more
wiley   +1 more source

High-Impact Polystyrene Structured Light Components for Terahertz Imaging Applications. [PDF]

Sensors (Basel)
Stanaitis K, Čižas V, Bielevičiūtė A, Grigelionis I, Minkevičius L.   +4 more
europepmc   +1 more source