English
Related papers

Related papers: Single-grain dose-distribution measurements by opt…

200 papers

Nanoparticle superlattices consisting of ordered arrangements of nanoparticles exhibit unique optical, magnetic, and electronic properties arising from nanoparticle characteristics as well as their collective behaviors. Understanding how…

Materials Science · Physics 2025-01-09 Aanish Paruchuri , Carl Thrasher , A. J. Hart , Robert Macfarlane , Arthi Jayaraman

Recent experimental results have shown that active enzymes can diffuse faster when they are in the presence of their substrates. Fluorescence correlation spectroscopy (FCS), which relies on analyzing the fluctuations in fluorescence…

Subcellular Processes · Quantitative Biology 2019-09-25 Mengqi Xu , Lyanne Valdez , Aysuman Sen , Jennifer L. Ross

We present an optimisation method for the assignment of photometric galaxies into a chosen set of redshift bins. This is achieved by combining simulated annealing, an optimisation algorithm inspired by solid-state physics, with an…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-08 Benjamin Stölzner , Benjamin Joachimi , Andreas Korn , the LSST Dark Energy Science Collaboration

Increasing emphasis on reliability and resiliency call for advanced distribution system restoration (DSR). The integration of grid sensors, remote controls, and distributed generators (DG) brings about exciting opportunities in DSR. In this…

Optimization and Control · Mathematics 2018-11-13 Manish Kumar Singh , Vassilis Kekatos , Chen-Ching Liu

The EMCCD is a CCD type that delivers fast readout and negligible detector noise, making it an ideal detector for high frame rate applications. Because of the very low detector noise, this detector can potentially count single photons.…

Instrumentation and Methods for Astrophysics · Physics 2013-03-08 Kennet B. W. Harpsøe , Michael I. Andersen , Per Kjægaard

We present the Optimization Method for the Electron Multiplying Charge-Coupled Devices (EMCCDs) of the Acquisition System of the SPARC4 (OMASS4). The OMASS4 uses as figures of merit the signal-to-noise ratio (SNR) and the acquisition rate…

Instrumentation and Methods for Astrophysics · Physics 2021-08-02 Denis Varise Bernardes , Eder Martioli , Danilo Henrique Spadoti

This paper introduces the Single-Cell Perturbation Prediction Diffusion Model (scPPDM), the first diffusion-based framework for single-cell drug-response prediction from scRNA-seq data. scPPDM couples two condition channels,…

Quantitative Methods · Quantitative Biology 2025-10-15 Zhaokang Liang , Shuyang Zhuang , Xiaoran Jiao , Weian Mao , Hao Chen , Chunhua Shen

Solar photons possessing energy less than the band-gap of a single-junction solar cell can be utilized via the up-conversion (UC) of two or more photons, resulting in the emission of a single above-bandgap photon. Due to the non-linear…

This work addresses computing techniques for dose calculations in treatment planning with proton and ion beams, based on an efficient kernel-convolution method referred to as grid-dose spreading (GDS) and accurate heterogeneity-correction…

Medical Physics · Physics 2012-01-11 Nobuyuki Kanematsu

Advances in solid-state technology have enabled the development of silicon photomultiplier sensor arrays capable of sensing individual photons. Combined with high-frequency time-to-digital converters (TDCs), this technology opens up the…

Information Theory · Computer Science 2015-06-11 Ewout van den Berg , Emmanuel Candes , Garry Chinn , Craig Levin , Peter Olcott , Carlos Sing-Long

We provide a unified theoretical approach to the quantum dynamics of absorption of single photons and subsequent excitonic energy transfer in photosynthetic light-harvesting complexes. Our analysis combines a continuous mode <n>-photon…

Chemical Physics · Physics 2018-02-20 Herman C. H. Chan , Omar E. Gamel , Graham R. Fleming , K. Birgitta Whaley

It is extremely important to correctly identify the cultivars of maize seeds in the breeding process of maize. In this paper, the transfer learning as a method of deep learning is adopted to establish a model by combining with the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Wen-Xuan Liao , Xuan-Yu Wang , Dong An , Yao-Guang Wei

We introduce an accurate, self-contained and automatic atom based numerical algorithm to characterize grain distributions in two dimensional Phase Field Crystal simulations. Four input parameters must be set by the user and their effect is…

Materials Science · Physics 2018-11-29 Gabriel Martine La Boissoniere , Rustum Choksi

Space charge layers (SCLs) at grain boundaries play a crucial role in modulating local electric fields and influencing the functional properties of materials, such as oxygen vacancy migration and ionic conductivity in oxide ceramics.…

Purpose: This is a theoretical simulation study for proof of concept of radiochromic film dosimetry to measure physical and biological doses without plan-based quenching correction for patient-specific quality assurance of carbon-ion…

Medical Physics · Physics 2019-03-25 Nobuyuki Kanematsu , Taku Inaniwa , Shunsuke Yonai , Hideyuki Mizuno

Conjugated organic molecules play a central role in a wide range of optoelectronic devices, including organic light-emitting diodes, organic field-effect transistors, and organic solar cells. A major bottleneck in the computational design…

To accurately verify the dose of intensity-modulated radiation therapy (IMRT), we have used a global optimization method to investigate a new dose-verification algorithm. In practical application of this quality assurance (QA) procedure,…

Medical Physics · Physics 2007-05-23 Dong Hyun Park , Sung-Yong Park , Dahl Park , Tae-Hyun Kim , Kyung Hwan Shin , Dae Yong Kim , Kwan-Ho Cho

Colloidal nanocrystals are unique optical gain materials due to their high intrinsic absorption, excellent quantum yield, and tunable emission. However, integration of colloidal nanocrystal solutions into photonic systems for lasing…

The nanoparticle size and distribution information in the SEM images of silicon crystals are generally counted by manual methods. The realization of automatic machine recognition is significant in materials science. This paper proposed a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Ruiling Xiao , Jiayang Niu

Microscopic Imaging Ellipsometry is an optical technique that uses an objective and sensing procedure to measure the ellipsometric parameters {\Psi} and {\Delta} in the form of microscopic maps. This technique is well known for being…

Biological Physics · Physics 2017-06-07 Mai Ibrahim Khaleel , Yu-Da Chen , Ching-Hang Chien , Yia-Chung Chang