High energy proton beam collimation

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SUMMARY

The discussion centers on the challenge of creating a collimator with a 100-micron hole for a high-energy proton beam of 60-70 MeV. The required material thickness is at least 5mm, typically tungsten, which complicates the drilling process. Participants suggest alternative approaches, such as creating two parts to form the hole or consulting existing accelerator projects for their collimator construction methods. The consensus indicates that while stacking smaller collimators is an option, it may lead to poor assembly quality.

PREREQUISITES
  • Understanding of collimator design and function
  • Familiarity with materials used in high-energy physics, specifically tungsten
  • Knowledge of machining techniques for precision drilling
  • Experience with particle accelerator technology
NEXT STEPS
  • Research precision machining techniques for drilling small holes in thick materials
  • Investigate existing accelerator projects and their collimator designs
  • Explore alternative materials that may allow for thinner collimators
  • Learn about assembly techniques for multi-part collimators
USEFUL FOR

Physicists, engineers, and technicians involved in particle accelerator design and construction, particularly those focused on collimator development and high-energy beam applications.

1Keenan
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Hi all,

my question is not strictly related with physics and I don't know if it is the right section.
Anyway I have a problem with a collimator: I need 100micron (or maybe smaller) collimator, but the high energy (60-70 MeV) of the beam need a material which is at last 5mm thick, (tungsten for example).
My problem is that I cannot find any workshop able to drill such a small hole on the thickness I need.
I know I could use a stack of smaller collimators, but who drills the hole do not assemble the stack and I'm quite sure the result could be quite poor...
Do you know someone who can solve my problem
 
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You could try to make two parts (like "left" / "right"), and get the hole as result of their combination.
Or ask existing accelerator projects how they built their collimators.

high energy (60-70 MeV)
:wink:
 
mfb said:
You could try to make two parts (like "left" / "right"), and get the hole as result of their combination.
Or ask existing accelerator projects how they built their collimators.


:wink:

the left/right thing could be a solution, but anyway it works on thinner materials, I would need the stack anyway.

Collimators used in accelerator projects ar not so small... :(
 

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