Yariv Kafri, Oded Kafri
Abstract
We describe and analyze an effect that is observed when a laser beam is projected toward the sky at a shallow angle. An observer standing below the beam sees that the beam is bending and propagating toward the ground instead of propagating upward.
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We describe and analyze an effect that is observed when a laser beam is projected toward the sky at a shallow angle. An observer standing below the beam sees that the beam is bending and propagating toward the ground instead of propagating upward.
Key concepts: Optics, Beam expander, Laser beams, Beam (structure), Bowing, Laser beam quality, Laser, Beam parameter product