English
Related papers

Related papers: Stored Luminescence Computed Tomography

200 papers

Ce3+ doped SrS phosphors with a charge-compensating Na+ for light-emitting diode (LED) applications have been successfully synthesized via a solid-state reaction method, which can be indexed to rock-salt-like crystal structures of Fm-3m…

Materials Science · Physics 2021-11-24 Shuqin Chang , Jipeng Fu , Xuan Sun , Guangcan Bai , Guoquan Liu , Kaina Wang , Ligang Xu , Qi Wei , Thomas Meier , Mingxue Tang

Synthetic Lunar Terrain (SLT) is an open dataset collected from an analogue test site for lunar missions, featuring synthetic craters in a high-contrast lighting setup. It includes several side-by-side captures from event-based and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Marcus Märtens , Kevin Farries , John Culton , Tat-Jun Chin

Cosmic ray muon computed tomography ({\mu}CT) is a new imaging modality with unique characteristics that could be particularly important for diverse applications including nuclear nonproliferation, spent nuclear fuel monitoring, cargo…

Instrumentation and Detectors · Physics 2018-10-17 Zhengzhi Liu , Stylianos Chatzidakis , John M. Scaglione , Can Liao , Haori Yang , Jason P. Hayward

We present SPLOT, a small scale pilot survey to test the potential of snapshot (single epoch) linear imaging polarimetry as a supplementary tool to traditional transient follow-up. Transients exist in a vast volume of observational…

High Energy Astrophysical Phenomena · Physics 2018-12-05 A. B. Higgins , K. Wiersema , S. Covino , R. L. C. Starling , H. F. Stevance , Ł. Wyrzykowski , S. T. Hodgkin , J. R. Maund , P. T. O'Brien , N. R. Tanvir

Photonics caught world attention since channel capacity limit of metallic interconnects approached due to research and design in high speed digital processors. Use of dielectrics, instead, suitable for light propagation was more attractive…

Optics · Physics 2024-12-04 Abdurrahman Javid Shaikh , Othman Sidek

Degenerately doped semiconductor nanocrystals (NCs) exhibit a localized surface plasmon resonance (LSPR) in the infrared range of the electromagnetic spectrum. Unlike metals, semiconductor NCs offer tunable LSPR characteristics enabled by…

Multi-source static Computed Tomography (CT) systems have introduced novel opportunities for adaptive imaging techniques. This work presents an innovative method of fluence field modulation using spotlight collimators. These instruments…

Medical Physics · Physics 2025-02-24 Matthew Tivnan , Amar Gupta , Kai Yang , Dufan Wu , Rajiv Gupta

We propose and demonstrate a new imaging technique to noninvasively see through scattering layers with the aid of a spatial light modulator (SLM). A relay system projects the incoherent light pattern emitting from the scattering layer onto…

Optics · Physics 2019-05-30 Saswata Mukherjee , A. Vijayakumar , Joseph Rosen

We report on the in situ formation of 2D and 3D self assembled superlattices of upconverting nanoparticles. These as synthesized self assembled nanophosphors can emit sharp and intence luminescence and fluorescence using tunable wavelength…

Optics · Physics 2022-06-06 Monami Das Modak , Anil Kumar Chaudhary , Pradip Paik

Our theoretical study reveals the opportunity to develop an electric field sensor basedon the exploitation of Symmetry Protected Mode (SPM) that we excite within an electro-opticalmaterial, namely lithium niobate (LN). The SPM consists of a…

We theoretically study the spatial focusing of surface polaritons (SPs) in a negative index metamaterial (NIMM)-atomic gas interface waveguide system, based on cross phase modulation (XPM) in a tripod type double electromagnetically induced…

Optics · Physics 2021-01-19 Chaohua Tan , Na Li , Datang Xu , Zhiming Chen , Yong Zhou

Processing histopathological Whole Slide Images (WSI) leads to massive storage requirements for clinics worldwide. Even after lossy image compression during image acquisition, additional lossy compression is frequently possible without…

Recent results on the study of spontaneous and stimulated luminescence of solid nitrogen in the near-infrared NIR range are presented. Irradiation was performed with an electron beam of subthreshold energy in the dc mode. Three series of…

Chemical Physics · Physics 2025-01-13 M. A. Bludov , I. V. Khyzhniy , S. A. Uyutnov , G. B. Gumenchuk , E. V. Savchenko

We investigate the transmission of densely multiplexed solitons using a photonic integrated chip and the nonlinear Fourier-transform and analyze required launch conditions, the effect of (de-)multiplexing and noise on the nonlinear…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Jonas Koch , Alvaro Moscoso-Mártir , Juliana Müller , Florian Merget , Stephan Pachnicke , Jeremy Witzens

X-ray fluorescence computed tomography (XFCT), a form of X-ray molecular imaging, offers detailed quantitative imaging capabilities for high-Z metal nanoparticles (MNPs), which are widely studied for their applications in multifunctional…

Due to the low X-ray photon utilization efficiency and low measurement sensitivity of the electron multiplying charge coupled device (EMCCD) camera setup, the collimator based narrow beam X-ray luminescence computed tomography (XLCT)…

Medical Physics · Physics 2018-03-14 Wei Zhang , Michael C Lun , Alex Anh-Tu Nguyen , Changqing Li

Upconversion persistent luminescence (UCPL) phosphors that can be directly charged by near-infrared (NIR) light have gained considerable attention due to their promising applications ranging from photonics to biomedicine. However, current…

Luminescent solar concentrators (LSCs) are able to concentrate both direct and diffuse solar radiation and this ability has led to great interest in using them to improve solar energy capture when coupled to traditional photovoltaics (PV).…

The incorporation of phosphorus in silicon is studied by analyzing phosphorus delta-doped layers using a combination of scanning tunneling microscopy, secondary ion mass spectrometry and Hall effect measurements. The samples are prepared by…

Condensed Matter · Physics 2009-11-07 L. Oberbeck , N. J. Curson , M. Y. Simmons , R. Brenner , A. R. Hamilton , S. R. Schofield , R. G. Clark

Nanoparticles with anti-Stokes emissions enable many sensing applications, but their efficiencies are considerably low. The key to enable the process of anti-Stokes emissions is to create phonons and assist the excited photons to be pumped…

Optics · Physics 2019-05-10 Chao Mi , Jiajia Zhou , Fan Wang , Dayong Jin