Results 181 to 190 of about 5,988 (248)

Hexagonal Hollow‐Core Photonic Crystal Fiber for High‐Sensitivity Terahertz Glucose Detection

Journal of Biophotonics, Volume 19, Issue 8, August 2026.
A novel hexagonal hollow‐core photonic crystal fiber (HPhCF) operating at 2.2 THz is proposed for rapid, non‐invasive detection of urinary glucose. The Zeonex‐based hollow‐core architecture enhances light‐analyte interaction, enabling 96.90% relative sensitivity while maintaining ultra‐low confinement loss and low effective material loss.
Mohammad Abdullah‐Al‐Shafi, Shuvo Sen, Mashiyat Mubassera, Md. Tanvir Hossain Hawlader   +3 more
wiley   +1 more source

Frontiers of Bright CEP‐Stable Broadband Infrared Sources

Laser &Photonics Reviews, Volume 20, Issue 16, 21 August 2026.
Bright CEP‐stable broadband infrared sources push the limits of ultrafast science by delivering exceptional brightness alongside few‐cycle durations and multi‐octave spectral coverage. This review highlights emerging architectures and nonlinear conversion strategies that scale power while preserving phase stability.
Ugaitz Elu, Jens Biegert
wiley   +1 more source

In Situ Acoustic Monitoring of Focused Femtosecond Pulse Duration in Air

Laser &Photonics Reviews, Volume 20, Issue 16, 21 August 2026.
Air‐breakdown acoustics at the laser focus is used to determine femtosecond pulse duration with a simple USB microphone. By chirp‐tuning and compressing 1030 nm pulses from 241 to 50 fs, the acoustic amplitude scales inversely proportional to the square root of the pulse duration, enabling in situ readout over 50 fs–5 ps—crucial for precise pulse ...
Indrė Meškėlaitė, Hsin‐Hui Huang, Haoran Mu, Nguyen Hoai An Le, Tomas Katkus, Edvinas Aleksandravičius, Gabrielius Kontenis, Domas Paipulas, Saulius Juodkazis, Darius Gailevičius   +9 more
wiley   +1 more source

Targeting Melanoma‐Specific Tyrosinase Disrupts Cytoskeleton Dynamics for Precision Apoptosis Induction by a De Novo Designed Cyclic Peptide

MedComm, Volume 7, Issue 8, August 2026.
This study develops a tyrosinase‐activated cyclic peptide self‐assembly system to combat drug‐resistant melanoma. Cyclization of tyrosine/lysine‐rich peptides via ortho‐phthalaldehyde enables tyrosinase‐triggered quinone formation and nanostructure assembly, disrupting melanoma cell cytoskeletons by blocking actin polymerization and inducing apoptosis.
Ruoyang Zhao, Xiaowei Wang, Jiajia Hu, Yonghan Zhang, Xinmin Zhao, Qianqian Hu, Yajin Wen, Yuxin Jiao, Huabin Zhu, Fan Yang, Qingqing Sun, Jun Guo, Feng Zhang, Min Wu   +13 more
wiley   +1 more source

First Principles Insights Into Emerging Perovskite Hydrides for Hydrogen Storage Applications: A Review

physica status solidi (RRL) – Rapid Research Letters, Volume 20, Issue 8, August 2026.
Perovskite hydrides are emerging as promising solid‐state hydrogen storage materials with tunable composition, structural versatility, and reversible hydrogen uptake. First‐principles DFT calculations offer important insights into their stability, electronic structure, thermodynamics, and storage performance.
Fikadu Takele Geldasa, Francis Birhanu Dejene   +1 more
wiley   +1 more source

High‐Efficiency Generation of Vectorial Terahertz Beams via Surface‐Wave‐Excited Dielectric Metasurfaces

Small, Volume 22, Issue 46, 18 August 2026.
ABSTRACT Generating pre‐designed vectorial beams via on‐chip devices can yield many fascinating applications, but traditional diffraction‐based devices are bulky and inefficient. While plasmonic metasurfaces exhibit ultra‐compact sizes and deep‐subwavelength resolutions, their working efficiencies are limited by metallic losses.
Yu He, Yuanxi Liu, Yao Yao, Qingnan Cai, Dumeng Zhang, Xiangyu Jin, Shulin Sun, Zhuo Wang, Lei Zhou   +8 more
wiley   +1 more source

Effective demethylation of melanoma cells using terahertz radiation. [PDF]

Biomed Opt Express, 2019
Cheon H, Yang HJ, Choi M, Son JH.
europepmc   +1 more source

Optical Phased Arrays on Photonic Integrated Circuit Platforms: Challenges, Opportunities, and Future Applications

Nanophotonics, Volume 15, Issue 14, 27 July 2026.
Integrated optical phased arrays are emerging as scalable engines for solid‐state beam steering and programmable wavefront control. This Review maps the field from beam‐steering principles and core building blocks to material platforms, system‐level bottlenecks, and application frontiers, highlighting how heterogeneous integration, aperiodic ...
Jingwei Li, Yuyuan Han, Aoxiang Chen, Pengpeng Li, Xinglin Zhu, Guanbao Zhao, Luohan Peng, Huaibin Zheng   +7 more
wiley   +1 more source

Robust Bound States in the Continuum in Mirror‐Symmetric Terahertz Metasurfaces

Nanophotonics, Volume 15, Issue 14, 27 July 2026.
An ideal BIC, supported by local inversion symmetry in a mirror‐symmetric metasurface, transforms into a QBIC by introducing an asymmetry parameter α. This transition yields a finite Q‐factor following Q ∝ α−1.95, whereas the singular polarization state splits into two distinct circularly polarized points. This framework ensures robust BIC formation at
Die Zou, Zhen Zhou, Xia Cao, Rui Zhu, Keyu Tan, Zhiyong Wang, Xiaohua Xing, Jianquan Yao, Jianing Chen, Liang Wu   +9 more
wiley   +1 more source

Terahertz Radiation from Combined Metallic Slit Arrays. [PDF]

Sci Rep, 2019
Li D, Nakajima M, Tani M, Yang J, Kitahara H, Hashida M, Asakawa M, Liu W, Wei Y, Yang Z.   +9 more
europepmc   +1 more source