CPO - Charged Particle Optics Software
A90
Scientific Instrument Services, Inc.
TM
Phone: 908-788-5550
www.sisweb.com/catalog/08/A90
CPO calculates electrostatic/magnetic fields and the trajectories of charged particles through
those fields, a bit like SIMION. However, CPO differs fundamentally in its powerful
and highly accurate methods of calculation based on the
Boundary Element Method (BEM)
,
and it offers well tested space-charge, cathode emission, scattering and other advanced features.
Highlights
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Extremely accurate BEM methods
proven with over 200 benchmark and
other examples
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Comprehensive help system supported
with examples
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Developed continuously since 1974 by
one of the leading research groups in
electrostatic systems (University of
Manchester, UK)
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Vast range of capabilities and options
with advanced underlying algorithms,
all at a reasonable price
Capabilities
Particle trajectories are solved, accounting for space charge
and relativistic effects (Bulirsch-Stoer ODE solver).
Space charge is handled with iterative convergence tube and
mesh methods -- accuracy of 1% against theoretical results have
been obtained.
Cathode emissions limited by space charge are simulated,
including thermionic, field and extended Schottky emissions.
Supports Child's Law, Langmuir, Fowler-Nordheim and Richardson-
Dushman relationships, plus user-defined cathode properties.
Electrostatic field solving is done to high accuracy using the
Boundary Element Method (BEM) rather than traditional FEM or
FDM methods. The BEM has unique advantages and is well suited
to space-charge, cathode problems and nano-structures in the pres-
ence of large electrodes. Adaptive surface meshes get smaller where
accuracy is critical.The BEM even easily simulates fine meshes and
non-enclosed systems. Dielectric version is also available.
Emitting Cathode
Nanocones as Field Emission Sources
Space-charge repulsion of an
isolated beam that initially con-
verges
to a point
Advanced electrostatics for space charge, cathodes and high accuracy
http://www.simion.com/cpo
http://www.simion.com/cpo
Highlights
Capabilities
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