Investigation of tilted long period fiber gratings in fiber tapers

被引：0
|
作者：
Li, Yang [1 ,2 ]
Zhang, Xiaobei [1 ,2 ]
Gu, Fan [1 ,2 ]
Pang, Fufei [1 ,2 ]
Liu, Yunqi [1 ,2 ]
Wang, Tingyun [1 ,2 ]
机构：
[1] Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China
[2] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200072, Peoples R China
来源：
FOURTH ASIA PACIFIC OPTICAL SENSORS CONFERENCE | 2013年 / 8924卷
基金：
中国国家自然科学基金;
关键词：
Tilted long period fiber gratings; fiber taper; refractive index sensing; OPTICAL-FIBER;
D O I：
10.1117/12.2031387
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
This paper investigates the transmission spectral properties of tilted long period fiber gratings (TLPFGs) written in fiber tapers with different radiuses. We found that the tilted angle, the radius of fiber and the external refractive index both have influences on the transmission spectral by simulations. With the decrease of the radius of the fiber taper and the increase of refractive index, the resonant wavelength of the tilted LPFG was found to shift towards shorter wavelength. Experimental results show the agreement with the simulation predictions. The TLPFG inscribed in fiber taper also brings the high sensitivity of external refractive index as 566.7 nm/RIU.
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页数：4
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