Lesson Module A-5: Functional Description of APS Front Ends - pg 7

Insertion Device Beam Line
Collimators

These components are required to define the line of sight to the source point and to only allow a well defined cone of the beam to pass through. The collimator body absorbs portions of the beam outside the predefined cone and any other scattered x-rays as well as the bremsstrahlung radiation.

There are no alarm signals generated for the collimators.

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