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光纤参量放大器技术及其最新进展
Published 2003-01-01“…介绍和论述了一种非常有实用前景的基于光纤非线性效应的光参量放大器 ( OPA)及其最新技术进展 .最新发展揭示了它的很多技术特性优于传统的掺铒光纤放大器 ( EDFA)、半导体光放大器 ( SOA)和近年来很热门的光纤拉曼放大器 ( FRA) ,如对信号的调制形式、比特率的完全透明性、相位共轭、超宽的增益带宽、很低的噪声指数和具备优异的全光波长转换功能 .…”
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金属掺杂氟化物光纤放大器
Published 1993-01-01“…靠使用一段长度为1.4m的Er掺杂氟化物光纤([Er<sup>3</sup>+]=5000ppm),由1.48μm双向泵激的已封装放大器能够在1.55μm上对微小信号取得27dB的增益。与硅基EDFA(掺铒光纤放大器)相比,这种新型放大器主要的好处在于:即使微小信号的领域内,在30nm的频宽上,也有频谱增益的平坦性。…”
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Utilization of HVO Fuel Properties in a High Efficiency Combustion System
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Aḥmad Muḥammad Nu‘mân et la construction d’une identité nationale yéménite
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دور مناهج الإحصاء المعجمية في تعليم مفردات اللغة الفرنسية بوصفها لغة أجنبية
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Summary of Research: Caregiver Involvement in MS: Duty or Disruption?
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A Balance Privacy-Preserving Data Aggregation Model in Wireless Sensor Networks
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The Relationship between Government Spending and Economic Growth Revisited
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Apertura y ventajas territoriales: análisis del sector manufacturero en México.
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