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Transmission Of Focused Picosecond Light Pulse Through Multimode Fibers, Yin Cen
Transmission Of Focused Picosecond Light Pulse Through Multimode Fibers, Yin Cen
Dissertations, Theses, and Capstone Projects
This thesis focuses on a technique of delivering spatially focused and temporally compressed picosecond laser pulses through multimode fibers. This study was inspired by recent success in focusing light through optically diffusive media of which multimode fibers were a special case in terms of causing scrambled phase distribution in the transmitted light. The approach involved controlling the phase distribution of incoming beam using a deformable mirror prior to its entry into the multimode fiber in order to achieve constructive interference at selected spots in the output. With phase control, the intensity of the focused light at the output can be …