Abstract
Optical phased array (OPA) is a promising solid-state beam steering method. However, small scanning field of view (FOV) and grating lobes aliasing constraint its applications. Therefore, an omnidirectional all-solid-state aliasing-free scanning method which is implemented by two-dimensional liquid crystal OPA and conical mirror is presented. Experimental results demonstrate desired scanning with FOV of 360° × 1.1° and scanning error is less than 0.2° × 0.03°, without moving parts and grating lobes aliasing.
Original language | English |
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Article number | 108664 |
Journal | Optics and Lasers in Engineering |
Volume | 184 |
DOIs | |
Publication status | Published - Jan 2025 |
Keywords
- All-solid-state scanning system
- Beam steering
- Conical mirror (CM)
- Liquid crystal (LC) OPA
- Optical phased array (OPA)
- Silicon-on-insulator (SOI)
- Waveguide superlattices
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Cao, J., Zhou, S., Cheng, Y., & Hao, Q. (2025). Omnidirectional all-solid-state aliasing-free scanning using liquid crystal optical phased array and conical mirror. Optics and Lasers in Engineering, 184, Article 108664. https://doi.org/10.1016/j.optlaseng.2024.108664