29/03/2019
High Dynamic Range Ion Detection Using Channel Electron MultipliersImproving the dynamic range of a channel electron multiplier to operate at high output current. The paper discusses the addition of discrete dynodes to a six-channel electron multiplier to achieve this operation and examines the effect on the lifetime of the detector.
29/03/2019
HI-QE PaperBased on conventional S-20 processes, a new series of high quantum efficiency (QE) photocathodes has been developed that can be specifically tuned for use in the ultraviolet, blue or green regions of the spectrum. The QE values exceed 30% at maximum response, and the dark count rate is found to be as low as 30 Hz/cm2 at room temperature. This combination of properties along with a fast tempo...
29/03/2019
Experimental Evaluation of Resistive Glass Ion OpticsResistive Glass is formed into a Reflectron Lens and evaluated for resistance uniformity and directly compared to the performance of a stacked ring assembly Reflectron. Results show that Resistive Glass is well suited for making ion optics components that simplify cleaning and replacement.
29/03/2019
Electronic Imaging DetectorThis paper discusses the use of a microchannel plate phosphor screen-based detector paired with a camera, which can capture images from the phosphor screen in real time. It can be used for VUV Spectroscopy, Imaging TOF or High Energy Physics Applications
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.
29/03/2019
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
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
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
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
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
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
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
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
A Direct Comparison of Resistive Glass and Stacked-Ring ReflectronThis paper compares the performance of a multi-piece stacked ring reflectron and one constructed from Resistive Glass. The single-piece Resistive Glass is similar in performance but requires much less maintenance and assembly.
29/03/2019
How a MCP worksFor over thirty years, PHOTONIS (formerly Philips Photonics, Galileo and Burle) has consistently set the standard in electron multipliers and related products. Today, an extensive R&D program coupled with unsurpassed expertise in microchannel plate (MCP) technology continues to deliver a succession of product and process improvements that push aside previous technology limits...