Interpretable Machine Learning of Two‐Photon Absorption [PDF]
Advanced Science, 2023 Molecules with strong two‐photon absorption (TPA) are important in many advanced applications such as upconverted laser and photodynamic therapy, but their design is hampered by the high cost of experimental screening and accurate quantum chemical (QC ...
Yuming Su +9 more
doaj +2 more sources
Two-photon absorption under few-photon irradiation for optical nanoprinting [PDF]
Nature CommunicationsTwo-photon absorption (TPA) has been widely applied for three-dimensional imaging and nanoprinting; however, the efficiency of TPA imaging and nanoprinting using laser scanning techniques is limited by its trade-off to reach high resolution.
Zi-Xin Liang +6 more
doaj +2 more sources
Enhancement of Two-Photon Absorption in Boron-Dipyrromethene (BODIPY) Derivatives [PDF]
Molecules, 2022 The linear and nonlinear optical properties of two BODIPY derivatives, 1,7-Diphenyl-3,5-bis(9,9-dimethyl-9H-fluoren-2-yl)-boron-diuoride-azadipyrromethene (ZL-61) and 1,7-Diphenyl-3,5-bis(4-(1,2,2-triphenylvinyl)phenyl)-boron-diuoride-azadipyrromethene ...
Guanzheng Song +7 more
doaj +2 more sources
Near‐Infrared Cocrystal Nanofluorophore with Enhanced Two‐Photon Absorption Cross Sections [PDF]
Advanced ScienceThe growing demand for organic nanoprobes that combine broadband two‐photon absorption (TPA) with near‐infrared (NIR) optical excitation continues to drive advancements in biological imaging and advanced photonics.
Liangmeng Hao +8 more
doaj +2 more sources
Strain-enhanced two-photon absorption in twisted bilayer graphene [PDF]
Scientific ReportsWe theoretically investigate the strain-tuned moiré flat bands and two-photon absorption (TPA) in magic-angle (MA) twisted bilayer graphene (TBG). Using a low-energy continuum model for strained TBG and second-order perturbation theory, we demonstrate ...
Lianmeng Yu +3 more
doaj +2 more sources
Two-Photon Absorption and Multiphoton Excited Fluorescence of Acetamide-Chalcone Derivatives: The Role of Dimethylamine Group on the Nonlinear Optical and Photophysical Properties [PDF]
Molecules, 2023 This work studied the effect of different electron-withdrawing and electron-donating groups on the linear and nonlinear optical properties of acetamide-chalcone derivatives.
André Gasparotto Pelosi +8 more
doaj +2 more sources
Effect of two-photon absorption on trapping of plasmonic nanoparticles [PDF]
Scientific ReportsIn this paper, we introduce a theoretical framework for optical trapping that integrates nonlinear polarization within the dipole approximation. This theory represents the most comprehensive analytic model to date capable of resolving the discrepancies ...
S. Mirzaei-Ghormish +2 more
doaj +2 more sources
On the application of Two-Photon Absorption for Laser Fault Injection attacks
Transactions on Cryptographic Hardware and Embedded Systems, 2022 Laser Fault Injection (LFI) is considered to be the most powerful semiinvasive fault injection method for implementation attacks on security devices. In this work we discuss for the first time the application of the nonlinear Two-Photon Absorption (TPA)
Bodo Selmke +7 more
doaj +3 more sources
Computer aided chemical design: using quantum chemical calculations to predict properties of a series of halochromic guaiazulene derivatives [PDF]
Royal Society Open Science, 2016 With the scientific community becoming increasingly aware of the need for greener products and methodologies, the optimization of synthetic design is of greater importance. Building on experimental data collected from a synthesized guaiazulene derivative,
Adam W. Woodward +3 more
doaj +1 more source
Super-Exchange Charge Transfer in One-Photon and Two-Photon Absorption of Multibranched Compounds [PDF]
ACS Omega, 2022 Xinyue Wang +5 more
doaj +2 more sources