Sensitivity of tapered optical fiber surface plasmon resonance sensors

被引：38
|
作者：
Kumar, Sushil [1 ]
Sharma, Gaurav [1 ]
Singh, Vivek [1 ]
机构：
[1] Banaras Hindu Univ, Fac Sci, Dept Phys, Varanasi 221005, Uttar Pradesh, India
来源：
OPTICAL FIBER TECHNOLOGY | 2014年 / 20卷 / 04期
关键词：
Sensitivity; Tapered profiles; Taper ratio; Sinusoidal tapered profile; Surface plasmon resonance;
D O I：
10.1016/j.yofte.2014.03.004
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The sensitivity of surface plasmon resonance based tapered optical waveguide sensors having various profile is analyzed and compared. Using ray approach the change of resonance wavelength with taper ratio is obtained and hence the variations of sensitivity with taper ratio for each considered tapered profile are presented. It is observed that as the taper ratio decreases the sensitivity of proposed sensor for each profile increases up to certain taper ratio where the plasmonic condition is satisfied. Also, the effect of profiles on the sensitivity is significant for lower taper ratio. In all considered cases the maximum sensitivity is obtained for sinusoidal tapered profile. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：333 / 335
页数：3
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