29/03/2019
Achieving High Resolution in a Benchtop Resistive Glass Tube Ion Mobility SpectrometerAn Ion Mobility Spectrometer using Resistive Glass technology shows improved resolving power when tested across a number of samples.
29/03/2019
Beam Profile Monitor Incorporating Very Large Area Electron Generator ArraysThe precise determination of transverse beam profiles in accelerator and collider systems is critical to proper operation. The high energy physics community has long sought a capability to determine location and focus of charged particle beams racing through accelerator tubes. Imaging a charged particle beam traveling at speeds approaching the speed of light without changing the velocity or ...
29/03/2019
Characterization of Common Electron Multipliers in Harsh EnvironmentsThis paper discusses the performance of channel electron multipliers designed for use in harsh environments. Increasingly the need for portable machines that operate at high pressure or poor vacuum enviroments are also requiring smaller, more durable detectors. Lifetime and performance results are presented.
29/03/2019
Characterization of the Uniformity and Stability of Resistive GlassTesting was performed on Resistive Glass to characterize resistance uniformity, resistance stability both at room temperature and over temperature change, voltage breakdown and chemical durability.
29/03/2019
Mass Spectrometer Detectors and Inlet TubesCustom Mass Spectrometer Detectors and Inlet Tubes for use in Portable Security and Forensic Applications
As analytical instruments become smaller and more portable, it is crucial to good analytical analysis to have compact, high-performing detectors that will operate in a variety of environmental conditions, most notably poor vacuum. This paper presents a wide range of available d...
29/03/2019
Custom MCPs for Analytical InstrumentsAll Photonis LongLifeTM MCPs are specially designed to provide longer lifetime with superior detection capability with pore sizes as small as 2μm. All Photonis MCPs can be ordered with an exclusive Extended Dynamic Range option that increases detection up to ten times versus traditional MCPs.
29/03/2019
Design and Construction of a Benchtop High Resolution Atmospheric Pressure Resistive Glass Drift Tube Ion Mobility SpectrometerResistive Glass can be used to enhance ion throughput. This paper discusses the construction and test of an ion mobility spectrometer using Resistive Glass drift tubes and reaction tubes, and a unique Bradbury-Nielsen ion gate built using photo-etching technology. In this paper a DART ionization source was used for testing.
29/03/2019
Development of a 2-inch square Position-sensing PMT for use in Medical ImagingThis paper discusses the design and manufacture of a square photomultiplier tube (PMT) for use in an MCP-PMT hybrid detector for medical imaging applications. The unique square shape allows multiple units to be tiled together to form a larger image.
29/03/2019
Development of Miniature Electron Multipliers for Use in Portable Mass SpectrometersTechnology advancements have allowed ion detectors to operate in poor vacuum conditions while still providing high gain, low noise, and long life. These detectors require little power and space, enabling high quality analysis in a truly portable instrument
29/03/2019
Development of Novel Monolithic Resistive Glass Tubes wit Multi-Stage Capability for Use as a Reflectrons, Ion Guides and Collision CellsA new technology has been developed which enables single piece structures made of Resistive Glass to produce multiple linear stages. This advancement enables low cost, easy-to-clean single piece reflectrons, collision cells or ion guides to be produced.
29/03/2024
Background Radiance Estimation for Gas Plume Quantification for Airborne Hyperspectral Thermal ImagingHyperspectral imaging in the long-wave infrared (LWIR) is a mean that is proving its worth in the characterization of gaseous effluent. Indeed the spectral and spatial resolution of acquisition instruments is steadily decreasing, making the gases characterization increasingly easy in the LWIR domain. The majority of literature algorithms exploit the plume contribution to the radiance corresp...
29/03/2024
Detection of Gaseous Plumes in Airborne Hyperspectral ImageryThe thermal hyperspectral sensor Hyper-Cam was mounted on a light aircraft and measured continuous releases of several atmospheric tracers from a height of 2 km. A unique detection algorithm that eliminates the need for clear background estimation was operated over the acquired data with excellent detection results. The data-cubes were acquired in a “target mode”, which is a unique method of...
29/03/2024
Active Thermography for Panel Paintings Inspection: A Comparative Study of Midwave and Long-Wave Infrared Spectral AnalysisActive thermography was used as a multispectral non-destructive approach for characterisation of multi-layered panel paintings and analysis of their defects caused by aging and environmental effects. Two oil compositions painted on canvas, provided by C2RMF in the Louvre museum (Centre de Recherche et de Restauration des Musées de France) were under inspection. Active Thermography was demons...
29/03/2024
Ground-Based Remote Sensing of CH4 and N2O Fluxes from a Wastewater Treatment Plant and Nearby Biogas Production with Discoveries of Unexpected SourcesM. Gålfalk, S.N. Påledal, R. Sehlén, D. Bastviken.
This study is an attempt to assess CH4 and N2O emissions from all the treatment steps of a wastewater treatment plant (WWTP) in Sweden, serving 145 000 persons, and an adjacent biogas production facility. We have used novel mid-IR ground-based remote sensing with a hyperspectral camera to visualize and quantify the emissions on 21 days...
29/03/2024
Thermomechanical Behavior of Steels in Tension Studied with Synchronized Full-Field Deformation and Temperature MeasurementsG.C. Soares, N.I. Vázquez-Fernández, M. Hokka
Despite tensile testing being commonly used for investigating the mechanical behavior of materials, the occurrence of heterogeneous strain and increasing temperature at high strain rates make the experiment much more complex. This work presents a method integrating synchronous full-field stereo Digital Image Correlation (DIC) and Infrared T...