Results 61 to 70 of about 657,522 (147)

Inside the Fire Plume Chemical Interactions: A Review on Key Processes and Future Directions

Reviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Fire plumes are rising columns of heated air masses, consisting of gaseous and particulate matter generated by combustion, affecting air quality, climate and public health. The chemical species released undergo secondary reactions and participate in chemical and physical interactions, altering the properties of the fire plume.
E. Dovrou, A. Voulgarakis
wiley   +1 more source

Quantum detector tomography of a time-multiplexed superconducting nanowire single-photon detector at telecom wavelengths [PDF]

, 2013
Superconducting nanowire single-photon detectors (SNSPDs) are widely used in telecom wavelength optical quantum information science applications. Quantum detector tomography allows the positive-operator-valued measure (POVM) of a single-photon detector ...
Dorenbos, SN, Walmsley, IA, Natarajan, C.M., Zwiller, V, Walmsley, I.A. (author), Hadfield, R.H. (author), Coldenstrodt-Ronge, H, Zhang, L. (author), Zwiller, Val, Coldenstrodt-Ronge, H. (author), Natarajan, C.M. (author), Natarajan, Chandra M, Zwiller, V., Walmsley, Ian, Dorenbos, S.N. (author), Zhang, Lijian, Zhang, L., Dorenbos, S.N., Hadfield, R., Zwiller, V. (author), Donati, G. (author), Donati, Gaia, Natarajan, CM, Walmsley, Ian A., Coldenstrodt-Ronge, Hendrik, Walmsley, I.A., Hadfield, Robert H, Hadfield, R.H., Dorenbos, Sander N., Donati, G., Donati, G, Zhang, L, Hadfield, RH, Coldenstrodt-Ronge, H.   +33 more
core   +2 more sources

A Novel Ray Tracing Approach for Bathymetry Using UAV-Based Dual-Polarization Photon-Counting LiDAR

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Unmanned aerial vehicle-based photon-counting ocean bathymetric light detection and ranging (LiDAR) systems rapidly acquire topographic data from islands, reefs, and shallow waters.
Kuifeng Luan, Xueyan Zhao, Wei Kong, Tao Chen, Huan Xie, Xiangfeng Liu, Fengxiang Wang   +6 more
doaj   +1 more source

AUTOMATIC OBJECT CLASSIFICATION ACCORDING TO 3D-LIDAR DATA BASED ON SINGLE-PHOTON COUNTING TECHNOLOGY [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2018
Subject of Research. We compare the effectiveness of the procedure for automatic object classification according to 3d-lidar data, built on the basis of single-photon counting technology, with the efficiency of the classification procedure with the usage
Timofeev A.V., Denisov V.M.
doaj   +1 more source

High‐Resolution LiDAR Observations for Coupled Effects of Dry‐Air Entrainment and Haze‐Cloud Interactions on Cloud Vertical Structure

Geophysical Research Letters, Volume 53, Issue 15, 16 August 2026.
Abstract This study demonstrates the high‐resolution profiling of cloud microphysics in a laboratory chamber using Time‐Correlated Single Photon Counting (TCSPC) LiDAR. We present a novel retrieval method to derive vertical extinction (σ) $(\sigma )$ profiles, constrained by in situ measurements, to diagnose responses to dry‐air entrainment.
Jae Min Yeom, Suryadev Pratap Singh, Fan Yang, Hamed Fahandezh Sadi, Jesse C. Anderson, Yong Meng Sua, Manikandan Rajagopal, Steven K. Krueger, Will Cantrell, Raymond A. Shaw   +9 more
wiley   +1 more source

Ultra-Fast Single-Photon Counting with Waveguide-Integrated Detectors for Quantum Technologies

, 2022
With recent advances in quantum technologies for applications such as communication, cryptography, computing, metrology and sensing, the performance and scalability of single-photon detection as a vital key component is becoming increasingly important ...
Perlot, Nicolas, Wahl, M., Bülter, A., Pernice, W.H.P., Ahangarianabhari, M., Schuck, C., Wolff, M.A., Wernicke, D., Beutel, F., Terhaar, R., Hartmann, W., Röhlicke, T., Häußler, M., Tillmann, M., Rödiger, Jasper, Walter, N.   +15 more
core   +1 more source

First Assessment of ICESat‐2 Summer Sea Ice Freeboard With Airborne Validation

Geophysical Research Letters, Volume 53, Issue 15, 16 August 2026.
Abstract ICESat‐2 has demonstrated solid performance in retrieving sea ice freeboard during winter, when sea ice surface types are well‐defined and leads provide reliable sea surface height references. Summer retrievals are challenging because melt ponds are not explicitly distinguished in the ATL07 surface classification and may be identified as ice ...
Ellen M. Buckley, Sahra Kacimi, Melinda Webster, Siddarth Harrison, Kutalmis Saylam, Nathan T. Kurtz, Rachel L. Tilling   +6 more
wiley   +1 more source

Predicting Electrically Generated Hydrogen Oxides From Ultraviolet Radiation Emissions

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract Electrical discharges such as lightning and corona discharges generate extreme amounts of hydroxyl radical (OH), the atmosphere's most important oxidizer, enough for electrical discharges to be a globally significant source of OH. However, there are few field measurements of electrically generated OH (LOH), hindering attempts to better ...
J. M. Jenkins, W. H. Brune
wiley   +1 more source

Broadband Electromagnetic Field Prediction at Unseen Wavelengths via Physics‐Guided Neural Operators

Nanophotonics, Volume 15, Issue 15, 13 August 2026.
A physics‐guided neural operator is trained on electromagnetic field distributions at discrete wavelengths across diverse nanophotonic structures. At inference, given any permittivity map and query wavelength, the model predicts continuous broadband electric‐field distributions with full‐wave accuracy, including wavelengths unseen during training ...
Joonhyuk Seo, Chanik Kang, Dongjin Seo, Haejun Chung   +3 more
wiley   +1 more source

Insect monitoring without pitfalls: Seven steps for robust insect sensing systems

Approaches in Entomology: Methods, Philosophies, and Ethics, Volume 1, Issue 1, August‐December 2026.
Cameras, acoustics, radar and photonics allow us to observe insects at unprecedented spatial and temporal scales. Different sensors have unique strengths, while species ID is a critical bottleneck. Artificial intelligence (AI) and other processing tools should complement human workflows—not consume them. Expert annotation is more important than ever to
Jamie Alison, Luca Pegoraro, Jarrett Blair, Yuval Cohen, Birgen Haest, Jacob Idec, Jacob Kamminga, Jenna Lawson, Meng Li, Leandro Aparecido Do Nascimento, Charlotte L. Outhwaite, Benjamin Rutschmann, Maximilian Sittinger, Mariana Abarca, Tom August, Quentin Geissmann, Rob Guralnick, Guillaume Mougeot, Valentin Ștefan, Kim Bjerge, Mikkel Brydegaard, Toke Thomas Høye, Eva Knop, William Kunin, Moritz Lürig, David Roy, Asger Svenning, Roel van Klink   +27 more
wiley   +1 more source