Requirements concerning the interface linking the BPM to the quadrupole M. Wendt, S. Zorzetti

2 2 Hexapod BPM PXI crate Fermilab Downconverter The wire is stretched through the RF-BPM cavity and used as a probe to detect the electric field distribution. BPM Test Bench

3 Downconverter BPM PXI Downconverter controller And power supply Targets for fiduacialization Hexapod adapter for characterization BPM Test Bench Interfaces for other measurements Inside the CMM Outside the CMM Not needed for CMM

4 Sample BPM characterization on the Hexapod and the CMM - Inclusive of the environmental characterization of the test bench – with Peter and Iordan Study accomplished by February 2016 Nanometric study of the BPM – with David Timing to be defined PACMAN BPM characterization with the new interface for the integration March 2016 Fiducialization in ISR8 <5um with Vasileios March 2016 Fiducialization in the CMM <1um Macrh-April 2016 Integration with the quadrupole May 2016 BPM- Quad offset measurements June 2016 BPM Characterization Strategy

5 BPM Nanometric studies 1 DOF piezo stage to prove nanometric resolution of the BPM on the vertical axis PIEZO STAGE TO BE ADDED ON TOP OF THE HEXAPOD -Mechanical interface

BPM Drawings CLIBPMMB0015 6

Monopole cavity and connectors (x2) Dipole cavity and connectors (x4) Flanges To be adapted for the integration Beam pipe Inner diameter =8mm 7

8 BPM Drawings CLIBPMMA0005 Fiducials

9 BPM Drawings CLIBPMMA0032 BPM support

BPM Measurements Monopole Cavity -50Ω termination Dipole Cavity -SMA Adaptors -SMA connectors -SMA Connectors -SMA adaptors -50Ω termination -RF cables 10

Outside the CMMInside the CMM BPM Electronics BPM 15 GHz Signal Generator Ocilloscope Switches … ~200MHz, 75MHz Fermilab PLLs and downconverter 11 Needs to be added in the drawings 20x20x10 cm <2kg 4x SMA cables 6x SMA cables going in the room next to the CMM Cables can be: Rigid Flexible Semirigid