1. X-Ray Beam Position Monitors An Introduction Wilfried Schildkamp

2. Outline A.Non-Destructive Monitors A1.X-UV Photo-Electron Monitors A2.Fringe Field Fluorescence Monitors A3.Split-Ion-Chambers B.Destructive Monitors B1.Fluorescence Monitors B2.Wire Monitors B3.Reed Monitors

3. A1.X-UV Photo-Electron Monitors Large Beam Applications for Wigglers and Bending Magnets Jon Tischler’s Geometry for the protection of the CHESS acoustic delay line Linear range and sensitivity

4. Acoustic Delay Line with Photo-Electron Monitors Linear Range: about 2.5 mm, looking at the vertical low-energy fringe field from a 1.4 T wiggler

5. Principle of the CHESS Photo-Electron Monitor

6. Actual Design of the Photo-Electron Monitor

7. A2.Fringe Field Fluorescence Monitors Mechanical Design of two generations Achievable Accuracies Fast Read-Out Electronics APS Front-End Monitors for Undulators

8. Mechanical Layout of two fringe field monitors

9. XBPM Signal Processing

10. A3.Split-Ion-Chambers 1.Small Beams 1.1Mechanical Design with parallel field 1.2Linear Range 1.3Accuracy and Speed 1.4Analog Divider Readout Electronics 1.5Fill Gas Considerations

11. Mechanical Design

12. Linear Range of the Monitor

13. Speed of the Monitor

14. A3.Split-Ion-Chambers 2.Fringe Field Measurements from large or multiple Beams 2.1Geometry for CHESS A-Line 2.2Geometry for CHESS F-Line

15. CHESS A-Line Double Beam Monitor Radiation from Wiggler on the left, Bending Magnet Radiation on the right

16. Collector Plate Geometries Examples for a clean scattering environment and scatter from one side

17. A3.Split-Ion-Chambers 3.Solid State Ion Chambers for monochromatic applications 3.1Geometry of CVD Diamond disc monitors 3.2Linear Dynamic Range 3.3Philosophy of Zero-Instrument

18. Diamond Solid State Ion Chamber Geometry of a small beam on four electrodes

19. B.Destructive Monitors B1.Fluorescence Monitors B2.Scanning Wire Monitors B3.Reed Monitors

20. Example of a destructive monitor