A device that uses acoustic waves within a fluid to phase modulate an incident laser beam and form tunable multiscale Bessel beams is presented. This device is both modelled and experimentally characterized.
© 2007 OSA
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3300) Lasers and laser optics : Laser beam shaping
(230.0230) Optical devices : Optical devices
(230.1040) Optical devices : Acousto-optical devices
E. McLeod and C. B. Arnold, "Multiscale Bessel Beams from Tunable Acoustic Gradient Index of Refraction Lenses," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JThD102.