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We perform balanced homodyne detection of the electromagnetic field in a single-mode tapered optical nanofiber surrounded by rubidium atoms in a magneto-optical trap. Resonant fluorescence of atoms into the nanofiber mode manifests itself…

Spectral properties of fluorescent radiation from a two-level quantum system with broken inversion spatial symmetry, which can be described by a model of an one-electron two-level atom whose electric dipole moment operator has permanent…

Quantum Physics · Physics 2024-12-17 Nikolai N. Bogolyubov, , Andrey V. Soldatov

Leaf wetness detection is a crucial task in agricultural monitoring, as it directly impacts the prediction and protection of plant diseases. However, existing sensing systems suffer from limitations in robustness, accuracy, and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Yimeng Liu , Maolin Gan , Yidong Ren , Gen Li , Jingkai Lin , Younsuk Dong , Zhichao Cao

This is a brief review of liquid scintillators, an important technology for detection of ionizing radiation. We will first review the basic mechanisms of light production in most organic liquid scintillators. For most practical detector…

Instrumentation and Detectors · Physics 2024-08-06 Milind Vaman Diwan

Coffee leaf rust, a foliar disease caused by the fungus Hemileia vastatrix, poses a major threat to coffee production, especially in Central America. Climate change further aggravates this issue, as it shortens the latency period between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Angelly Cabrera , Kleanthis Avramidis , Shrikanth Narayanan

Future experiments of nuclear and particle physics are moving towards the high luminosity regime, in order to access suppressed processes like rare B decays or exotic charmonium resonances. In this scenario, high rate capability is a key…

Instrumentation and Detectors · Physics 2015-02-18 M. Cardinali , O. Corell , M. I. Ferretti Bondy , M. Hoek , W. Lauth , C. Rosner , C. Sfienti , M. Thiel

Wavelength discriminating systems typically consist of heavy benchtop-based instruments, comprising diffractive optics, moving parts, and adjacent detectors. For simple wavelengths measurements, such as lab-on-chip light source calibration…

We describe an approach to detecting ionizing radiation that combines the special properties of superfluid helium with the sensitivity of quantum optics techniques. Ionization in liquid helium results in the copious production of metastable…

Nuclear Experiment · Physics 2009-11-11 D. N. McKinsey , W. H. Lippincott , J. Nikkel , W. Rellergert

With climate change and increasing human pressure on natural landscapes, inland water resources are becoming progressively scarcer, more vulnerable, and more difficult to manage sustainably. Reliable and automated methods for detecting,…

Machine Learning · Computer Science 2026-05-26 Iulia Pleşu , Alexandra Băicoianu , Ioana Cristina Plajer

A large number of current and future experiments in neutrino and dark matter detection use the scintillation light from noble elements as a mechanism for measuring energy deposition. The scintillation light from these elements is produced…

Instrumentation and Methods for Astrophysics · Physics 2015-03-19 V. M. Gehman , S. R. Seibert , K. Rielage , A. Hime , Y. Sun , D. -M. Mei , J. Maassen , D. Moore

Scattering and absorption are fundamental processes in optical engineering and applications. This study investigates the use of the food dye tartrazine to design refractive index fluids that enhance light propagation through scattering…

We first briefly describe the history and motivation behind Cherenkov and scintillation light detection. We then discuss the instrumentation needed to detect these photons as it applies to both photodetectors and readout electronics. One of…

Instrumentation and Detectors · Physics 2025-12-01 V. A. Li , O. A. Akindele , M. Bondin , S. R. Durham , J. A. Foot , M. J. Ford , S. -W. Stradleigh

FRET measurements can provide dynamic spatial information on length scales smaller than the diffraction limit of light. Several methods exist to measure FRET between fluorophores, including Fluorescence Lifetime Imaging Microscopy (FLIM),…

Quantitative Methods · Quantitative Biology 2017-01-09 Bryan Kaye , Peter J. Foster , Tae Yeon Yoo , Daniel J. Needleman

The use of low-temperature detectors, such as cryogenic calorimeters, has pioneered the recent advancements in low-energy rare event searches. These detectors provide a low-noise environment essential for the direct detection of dark matter…

Instrumentation and Detectors · Physics 2026-02-25 Giorgio Del Castello

Photoluminescence is commonly used to identify the electronic structure of individual nanotubes. But, nanotubes naturally occur in bundles. Thus, we investigate photoluminescence of nanotube bundles. We show that their complex spectra are…

Materials Science · Physics 2015-05-13 P. H. Tan , A. G. Rozhin , T. Hasan , P. Hu , V. Scardaci , W. I. Milne , A. C. Ferrari

Fluorescence is a powerful mean to probe information processing in the mammalian brain. However, neuronal tissues are highly heterogeneous and thus opaque to light. A wide set of non-invasive or invasive techniques for scattered light…

Optics · Physics 2020-05-11 Claudio Moretti , Sylvain Gigan

Alternating current electroluminescent technology allows the fabrication of large area, flat and flexible lights. Presently the maximum size of a continuous panel is limited by the high resistivity of available transparent electrode…

Tea flowers play a crucial role in taxonomic research and hybrid breeding for the tea plant. As traditional methods of observing tea flower traits are labor-intensive and inaccurate, we propose TflosYOLO and TFSC model for tea flowering…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Qianxi Mi , Pengcheng Yuan , Chunlei Ma , Jiedan Chen , Mingzhe Yao

In recent years, large-scale deep models have achieved great success, but the huge computational complexity and massive storage requirements make it a great challenge to deploy them in resource-limited devices. As a model compression and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Zhixing Du , Rui Zhang , Ming Chang , Xishan Zhang , Shaoli Liu , Tianshi Chen , Yunji Chen

Knowledge distillation is a widely adopted technique for model lightening. However, the performance of most knowledge distillation methods in the domain of object detection is not satisfactory. Typically, knowledge distillation approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Hai Su , ZhenWen Jian , Songsen Yu