Speaker
Description
Structured Laser Beams (SLBs) offer a viable alternative in generating straight reference lines for long-distance alignment systems in particle accelerators. While prior research has utilized quadrant detectors to demonstrate displacement sensitivity for various beam types, this study extends that evaluation to an optical system experimentally verified to diverge by only 0.1 mrad at a propagation distance of 900 m. We calculated the irradiance of the beam produced by the optical system from a set of transmittance functions. We then evaluated the response of the produced beam to the quadrant detector using convolution integrals. Key insights from this study are vital for possibly scaling quadrant detectors to effectively evaluate beam displacement at the extreme propagation distances required by future colliders, such as the Future Circular Collider (FCC) and the Compact Linear Collider (CLIC).
Keywords: accelerator alignment, convolution integrals, quadrant detectors, structured laser beams