相关实验视频
Updated: May 6, 2026

07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.8K
概括
多模纤维 (MMF) 通过修改斑点图案,使光学无线通信 (OWC) 中的光束转向成为可能. 使用过载的发射器和多接收器显著提高了接收光电稳定性,以提高用户的移动性.
科学领域:
- 光学通信是指光学通信.
- 无线技术无线技术无线技术
- 光子学 是一个光子学.
背景情况:
- 使用来自连贯束与散射元件相互作用的斑点图案.
- 多模纤维 (MMF) 提供了一种低成本的方法,通过通过宏观扰动改变斑点图案来在光学无线通信 (OWC) 中进行光束转向.
- 在OWC系统中,接收光功率 (ROP) 的差异限制了用户终端的移动性.
研究的目的:
- 为了减轻基于货币货币基金的OWC系统中的ROP差异.
- 为了提高OWC中分离光束的稳定性和转向范围.
- 调查过度填充发射和多接收器多样性增长的有效性.
主要方法:
- 通过调整与单模光纤 (SMF) 的合距离,使用过度填充的发射进入货币市场基金.
- 利用多接收器多样性增益来改善信号噪声比 (SNR).
- 考虑到主导的热或射击噪声,对SNR增强的理论分析.
主要成果:
- 在1550 nm的MMF中增加了激发模式的数量,损失最小.
- 证明了对ROP不均性的补偿.
- 在1.5米处延长全转向角度至12°,且BER<3.8 × 10−3.3.
结论:
- 拟议方案有效地减轻了基于货币基金的OWC系统中的ROP波动.
- 过度填充的发射和多接收器多样性提高了系统性能和用户移动性.
- 该技术为稳定的室内OWC提供了实用解决方案,具有梁转向功能.
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