Imaging-based beam steering for free-space optical communication
| Autor: | Sajad Saghaye Polkoo, Christopher Kyle Renshaw |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Physics
business.industry Optical link Beam steering Optical communication Laser 01 natural sciences Atomic and Molecular Physics and Optics Collimated light law.invention 010309 optics Lens (optics) Optics law Wavelength-division multiplexing 0103 physical sciences Physics::Accelerator Physics Electrical and Electronic Engineering business Engineering (miscellaneous) Free-space optical communication |
| Zdroj: | Applied optics. 58(13) |
| ISSN: | 1539-4522 |
| Popis: | Imaging-based beam steering (IBBS) provides a route to compact, low-power, and low-cost beam steering ideal for mobile free-space optical communications (FSOC), LIDAR imaging, and other active illumination applications. In IBBS, a lens passively maps each pixel of a 2D emitter array into a unique line-of-sight direction. Electronic beam steering of multiple beams with dynamic beam shaping is implemented via pixel selection. We demonstrate efficient collection and collimation of light from an organic LED array into 1.24 mrad divergence beams with pointing accuracy of 5.5 mrad and demonstrate a 41 m optical link. Simulations and scaling analysis of IBBS-FSOC links predict effective ranges >1 km using high-brightness vertical-cavity surface-emitting laser arrays. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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