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    • 2. 发明申请
    • Optical fibre-based devices utilising the raman effect
    • 使用拉曼效应的基于光纤的设备
    • US20050147370A1
    • 2005-07-07
    • US10490907
    • 2002-09-27
    • Zulfadzli YusoffWalter BelardiPeh TehJu LeeTanya MonroDavid Richardson
    • Zulfadzli YusoffWalter BelardiPeh TehJu LeeTanya MonroDavid Richardson
    • G02F1/365G02B6/20
    • G02F1/365G02F2202/32
    • An optical fibre device based on the Raman effect comprises a first optical source to provide light at a first wavelength, and a holey optical fibre which receives the light from the first optical source such that optical gain or loss is provided at a second wavelength by the effect of Raman scattering within the fibre. For optical gain, the second wavelength is longer than the first wavelength, and the device can be operated as an amplifier, or as a laser if optical feedback is provided. For optical loss, the second wavelength is shorter than the first, and the device may be used as an optical modulator. The fibre may be fabricated from pure silica, although other undoped or doped materials may alternatively be used to tailor properties of the fibre such as gain spectrum, bandwidth, power handling capability and mode propagation.
    • 基于拉曼效应的光纤装置包括提供第一波长的光的第一光源和接收来自第一光源的光的多孔光纤,使得在第二波长处提供光增益或损耗, 纤维内拉曼散射的作用。 对于光学增益,第二波长比第一波长长,并且器件可以作为放大器工作,或者如果提供光学反馈则作为激光器。 对于光损耗,第二波长比第一波长短,该器件可以用作光调制器。 纤维可以由纯二氧化硅制成,尽管其它未掺杂或掺杂的材料可以替代地用于定制纤维的性质,例如增益谱,带宽,功率处理能力和模式传播。