Related Experiment Video
Updated: May 22, 2026
05:57
Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
Published on: April 1, 2020
Theoretical analysis of tuning coherent laser array for several applications
Xiaohua Wang1, Yi Zheng, Feng Shen
1The Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China. wxhua009@163.com
Summary
This study presents a theoretical analysis of coherent laser arrays (CLA). Researchers detail how phase and amplitude modulation enable precise beam steering and shaping for various applications.
Area of Science:
- Optics and Photonics
- Laser Physics
- Wave Phenomena
Background:
- Coherent laser arrays (CLA) offer potential for advanced beam manipulation.
- Controlling far-field diffraction patterns is crucial for laser applications.
Purpose of the Study:
- To theoretically analyze the far-field diffraction of coherent laser arrays (CLA).
- To describe conditions for coherent beam combination, 2D steering, and dark-hollow beam generation.
- To investigate the impact of phase and amplitude modulation on CLA far-field patterns.
Main Methods:
- Theoretical modeling of CLA propagation.
- Analysis of phase distributions and tilt control for beam steering.
- Incorporation of amplitude modulation for pattern shaping.
Main Results:
- Detailed theoretical description of conditions and restrictions for CLA applications.
- Demonstrated large-scale two-dimensional steering of the far-field pattern peak.
- Showcased the ability to generate special far-field shapes using amplitude modulation.
- Simulated results validated the theoretical analysis.
Conclusions:
- Coherent laser arrays provide a feasible platform for advanced beam control.
- Well-arranged phase distributions and amplitude modulation are key to realizing diverse CLA applications.
- The theoretical framework supports the practical implementation of CLA-based optical systems.
