证券之星消息，根据天眼查APP数据显示德科立（688205）新获得一项实用新型专利授权，专利名为“一种用于EDFA模块的均热板”，专利申请号为CN202420573147.9，授权日为2025年3月14日。

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EDFA是利用在光纤中掺杂稀土元素铒（Er），当泵浦光输入到掺铒光纤中时，会将铒离子从基态激发到激发态，处于激发态的铒离子在信号光的作用下发生受激辐射，产生与信号光同频、同相、同偏振态的光，从而实现对信号光的放大。 结构组成 - 掺铒光纤 ...

在WG4的会议上，由光迅科技和中国联通联合牵头提出了《可插拔掺铒光纤放大器 第2部分：QSFP系列》标准，首次明确规定了QSFP系列封装的可插拔EDFA技术要求、可靠性要求和测试方法，可有效的指导国内QSFP系列封装可插拔掺铒光纤放大器的有序发展，支撑网络的优化，建立健康稳定的产业链生态。

Croatia's Zrinka Ljutic reacts on the podium after winning the World Cup slalom season title at the World Cup Finals, ...

新华社北京3月27日电（记者俞懋峰）美国总统特朗普26日在白宫签署公告，宣布对进口汽车加征25%关税，自4月3日起执行。英国《金融时报》的报道说，此举意味着特朗普政府发起的贸易战显著升级。

However, it is difficult to construct accurate and reliable EDFA models due to complex physical mechanisms and dynamic loading conditions. Although some mathematical and data-driven models have been ...

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US President Donald Trump said he had an "extremely productive" first call Friday with Canada's new Prime Minister Mark ...