Particle field imaging and characterization using VCSEL lasers for convergent multi-beam illumination
作者： Bachalo William D , Payne Gregory A , Manin Julien , Ibrahim Khalid , Fidrich Michael J
DOI:
关键词: Particle 、 Cardinal point 、 Optics 、 Shadow 、 Laser 、 Light beam 、 Volume (compression) 、 Vertical-cavity surface-emitting laser 、 Digital camera 、 Physics
摘要: An apparatus to provide multi-beam imaging of particles includes a plurality vertical cavity surface emitting lasers (VCSELs) configured generate light beams that converge with each other form measurement volume within particle field. The the VCSELs are uniformity in background illumination volume. optics is coupled at least one VCSELs. A digital camera obtain shadow image passing through focal plane camera. processor
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