RBS Instrumentation: Tandem Accelerators

There are four main components of a tandem accelerator:

1. A charged particle beam line in a tank containing high voltage components and an insulating gas.
2. An electrode called the terminal supplied by a high voltage source.
3. An electron charge stripper located at the terminal.
4. A vacuum system for the charge stripper and beam line.

Although large accelerators can often fill entire halls, smaller accelerators are suitable for RBS. Such accelerators require investments in the $300,000 range, and suitable end stations for analysis and control cost an additional $50,000 to $200,000. While these are certainly expensive devices, they are not out of line with other analytical instruments.

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