Exosens' Documentation

Papers Improving Quantification in Time of Flight (TOF) Mass Spectrometers by Optimizing Detector Response This paper looks at ways to optimize the operating parameters of a Time of Flight detector. The paper examines the effects of various MCPs, voltages and gain on the detector.

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Papers Improving MALDI-TOF Performance with Practical Implementation of Very High Post-Acceleration This paper discusses ways to improve MALDI-TOF performance in ion masses in excess of 100kDa by applying very high post-acceleration voltages.

2.99 MB

Papers Improved Lifetime and Performance for Your Mass Spectrometer This article discusses how improvements to electron multipliers bring extended lifetime and higher gain for better mass spectrometer analysis.

855.05 KB

Papers HQE S20 Photocathodes in Photon Counting Applications High Quantum Efficiency S20 Photocathodes in Photon Counting ApplicationsImprovements were done to a standard S20 photocathode that increase the quantum efficiency by up to 50%. Test results on a Chevron style MCP-PMT are presented.

1.73 MB

Papers High Dynamic Range Ion Detection Using Channel Electron Multipliers Improving 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.

177.56 KB

Papers HI-QE Paper Based 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 temporal...

1.73 MB

Papers Experimental Evaluation of Resistive Glass Ion Optics Resistive 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.

2.94 MB

Papers Electronic Imaging Detector This 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

886.7 KB

Papers Development of Novel Monolithic Resistive Glass Tubes wit Multi-Stage Capability for Use as a Reflectrons, Ion Guides and Collision Cells A 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.

1.3 MB

Papers Development of Miniature Electron Multipliers for Use in Portable Mass Spectrometers Technology 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

540.04 KB

Papers Development of a 2-inch square Position-sensing PMT for use in Medical Imaging This 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.

16.83 MB

Papers Design and Construction of a Benchtop High Resolution Atmospheric Pressure Resistive Glass Drift Tube Ion Mobility Spectrometer Resistive 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.

4.18 MB

Papers Custom MCPs for Analytical Instruments All 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.

4 MB

Papers Mass Spectrometer Detectors and Inlet Tubes Custom Mass Spectrometer Detectors and Inlet Tubes for use in Portable Security and Forensic ApplicationsAs 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 detectors that ...

4.2 MB

Papers Characterization of the Uniformity and Stability of Resistive Glass Testing was performed on Resistive Glass to characterize resistance uniformity, resistance stability both at room temperature and over temperature change, voltage breakdown and chemical durability.

1.58 MB

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