Optical Beamforming Network Based on Fiber-Optical Delay Lines and Spatial Light Modulators for Large Antenna Arrays

Optical Beamforming Network Based on Fiber-Optical Delay Lines and Spatial Light Modulators for Large Antenna Arrays

An optical beamformer for antenna arrays based on fiber-optical delay lines for feeding subarrays and spatial light modulators to change the radio-frequency phase of independent antenna elements is proposed. The architecture has the potential to control antenna arrays of a large number of elements....

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Veröffentlicht in:IEEE photonics technology letters 2006-12, Vol.18 (24), p.2590-2592
Hauptverfasser: Vidal, B., Mengual, T., Ibanez-Lopez, C., Marti, J.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna arrays
Antenna feeds
Array signal processing
Delay lines
Microwave photonics
Optical arrays
optical beamforming
Optical beams
Optical fiber networks
Optical modulation
Phase modulation
Phased arrays
spatial light modulator (SLM)
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Zusammenfassung:An optical beamformer for antenna arrays based on fiber-optical delay lines for feeding subarrays and spatial light modulators to change the radio-frequency phase of independent antenna elements is proposed. The architecture has the potential to control antenna arrays of a large number of elements. Preliminary experimental results to show the feasibility of the concept are provided
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2006.887347