概括
OM5分级索引纤维为自由空间光学 (FSO) 通信提供了强大的解决方案,即使在动荡条件下,也可以在没有自适应光学的情况下实现高速,无错误的数据传输.
科学领域:
- 光学通信是指光学通信.
- 光纤光学是指光纤的使用.
- 无线光学无线光学
背景情况:
- 自由空间光学 (FSO) 系统面临机械不稳定性和大气动荡的挑战,导致扭曲和高损失.
- 适应光学通常需要双向单模FSO系统来减轻这些扭曲.
- 现有的系统在指针准确性和环境因素影响信号完整性方面扎.
研究的目的:
- 研究和比较双向FSO通信的步进指数和分级指数多模式光纤的性能.
- 评估OM5分级索引纤维对FSO应用的适用性,重点关注其模式属性和视野.
- 为了证明高吞吐量,无错误的FSO通信没有自适应光学.
主要方法:
- 模拟一个400米的FSO通道,具有不同的流水平 (D/r0=3和D/r0=9).
- 步进指数和分级指数多模式纤维的比较,特别是OM5纤维.
- 使用的商业双向小形状因素插入式 (SFP+) 收发器.
主要成果:
- 与单模光纤相比,OM5分级索引光纤显示了接近高斯光学传输模式,视野增加了5倍以上.
- 在低流下 (D/r0 = 3) 实现了10 Gbps的无错吞吐量.
- 在高流条件下 (D/r0 = 9) 实现了9.1 Gbps的无错吞吐量.
结论:
- OM5分级索引纤维是双向FSO通信的可行解决方案,克服了单模系统的局限性.
- 使用OM5光纤可以实现高速 (10Gbps) FSO链路,而不需要复杂的自适应光学.
- 这种方法显著提高了FSO通信系统在具有挑战性的环境中的稳定性和部署性.
相关概念视频
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