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1. 发明申请

WO2012168400A1 HYBRID PHOTONIC CRYSTAL FIBER 审中-公开
标题翻译：混合光电晶体纤维
公开(公告)号：WO2012168400A1
公开(公告)日：2012-12-13
申请号：PCT/EP2012/060851
申请日：2012-06-08
申请人： UNIVERSITE LILLE 1 - SCIENCES ET TECHNOLOGIES DE LILLE , QUIQUEMPOIS, Yves , BOUWMANS, Géraud , BETOURNE, Aurélie , BIGOT, Laurent , DOUAY, Marc
发明人： QUIQUEMPOIS, Yves , BOUWMANS, Géraud , BETOURNE, Aurélie , BIGOT, Laurent , DOUAY, Marc
IPC分类号： G02B6/02
CPC分类号： G02B6/03611 , G02B6/02347 , G02B6/03622
摘要： The hybrid photonic crystal fiber comprises a single core (4) having a refractive index (n core ) and surrounded by a cladding (1), the cladding (1) comprising a background material having a refractive index (n1), high index inclusions (2) and low index inclusions (3) embedded in said background material (1); said high index inclusions (2) comprise solid inclusions having a refractive index (n 2 ) that is higher than the refractive index (n 1 ) of the background material (1) and higher than the refractive index (n core ) of the core (4), the difference (n 2 -n core ) between the refractive index (n 2 ) of said high index solid inclusions and the refractive index (n core ) of the core (4) being preferably not more than 0.05; said low index inclusions (3) have a refractive index (n 3 ) that is lower than the refractive index (n core ) of the core (4); all the high index inclusions (2) form one inner ring (HIR) or two concentric inner rings (HIR 1 ; HIR 2 ) surrounding the core (4), and all the low index inclusions (3) form two or more concentric outer rings (LIR 1 ; LIR 2 ) surrounding said inner ring of high index inclusions (2) or surrounding said two concentric inner rings of high index inclusions (2); an index-guided core mode (TIR mode) exists for wavelengths higher than a wavelength cutoff value λο, that can be between 400nm and 1800nm, and a bandgap guided core mode within the first band gap exists at least at wavelengths lower than said wavelength cutoff value.
摘要翻译：混合光子晶体光纤包括具有折射率（ncore）并被包层（1）包围的单芯（4），包层（1）包括具有折射率（n1），高折射率夹杂物（2）的背景材料）和嵌入所述背景材料（1）中的低折射率夹杂物（3）; 所述高折射率夹杂物（2）包括折射率（n2）高于背景材料（1）的折射率（n1）并高于芯体（4）的折射率（ncore）的固体夹杂物，所述高折射率固体夹杂物的折射率（n2）与芯（4）的折射率（ncore）之间的差（n2-ncore）优选为0.05以下; 所述低折射率夹杂物（3）的折射率（n3）低于芯体（4）的折射率（ncore）; 所有高折射率夹杂物（2）形成围绕芯（4）的一个内环（HIR）或两个同心内圈（HIR1; HIR2），并且所有低折射率夹杂物（3）形成两个或更多个同心外圈（LIR1 ; LIR2）围绕所述高折射率夹杂物（2）的所述内环或围绕所述高指数夹杂物（2）的所述两个同心内圈; 对于高于波长截止值Δθ的波长，可以在400nm和1800nm之间存在折射率引导的核心模式（TIR模式），并且第一带隙内的带隙引导核心模式至少存在于比所述波长低的波长截止值。

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