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Multi-fibre arrangement for high power fibre lasers and amplifiers 发明申请

2023-12-13 3490 2001K 0

专利信息

申请日期 2025-07-12 申请号 US13573096
公开(公告)号 US20120314279A1 公开(公告)日 2012-12-13
公开国别 US 申请人省市代码 全国
申请人 Anatoly Borisovich Grudinin; Dave Neil Payne; Paul William Turner; Lars Johan Albinsson Nilsson; Michael Nickolaos Zervas; Morten Ibsen; Michael Kevan Durkin
简介 An optical amplifier includes at least one pump source and an optical fibre cable which includes an amplifying optical fibre and a pump optical fibre that are defined by respective lengths. The amplifying optical fibre and the pump optical fibre are coated with a common coating along a portion of their respective lengths, and the fibres are in optical contact with each other along a coating length within the common coating. The common coating has a refractive index which is lower than a refractive index of a cladding material of the pump optical fibre. The fibres are made substantially from glass. The amplifying optical fibre includes a core and a cladding, and is doped with a rare earth dopant. The pump optical fibre is defined by a first end and a second end, the first end of the pump optical fibre being connected to the pump source.


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