ABSTRACT.I describe a simple new method for collimating a Cassegrain telescope that gives near-perfect correction over a wide field of view. This method was used to collimate the 6.5 m MMT in 2002 ...

Monitoring radiation dose and time parameters during radiological interventions is crucial, especially in neurointerventional procedures, such as aneurysm treatment with embolization coils. The ...

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Collimating is a method of aligning a light beam or stream of particles in a parallel path. The technique reduces particle distribution while ensuring parallel propagation. Collimation optics is the ...