Assembly and bench tests with the active collimator

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The active collimator has been delivered to JLab by John Bartolotta. It is currently housed in the TED building where it can be fully assembled and tested. Alex Barnes is now responsible for assembling and testing the active collimator while at JLab. Below are pictures taken during the assembling process.


  • A machined screw for the RF connector.

  • The back of the active collimator with only 4 installed wedges.

  • This is another view of the back of the active collimator with only 4 wedges installed.

  • The active collimator with only 4 wedges installed. This was taken on the bench at JLab.

  • The spare wedges provided by FSU.

  • The fifth wedge has been installed.

  • Closer shot of the fifth wedge. Notice how the wedge covers the hole slightly. This was noticed and fixed during the assembly process.

  • The sixth wedge has been installed in the active collimator.

  • The inner wedges have been adjusted to prevent blockage of the central hole.

  • The seventh wedge of the collimator has been installed.

  • All wedges have been installed in the active collimator.

  • A closer view of all eight wedges of the active collimator.

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