scholarly journals Highly Sensitive Refractive Index Sensor Based on Adiabatically Tapered Microfiber Long Period Gratings

Sensors ◽  
2013 ◽  
Vol 13 (10) ◽  
pp. 14055-14063 ◽  
Author(s):  
Wen Ji ◽  
Swee Tjin ◽  
Bo Lin ◽  
Choong Ng
Keyword(s):  
Refractive Index ◽  
Refractive Index Sensor ◽  
Long Period ◽  
Long Period Gratings ◽  
Highly Sensitive

scholarly journals Improved Refractive Index Sensitivity Utilizing Long-Period Gratings with Periodic Corrugations on Cladding

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Anthony Lim ◽  
Wen Bin Ji ◽  
Swee Chuan Tjin
Keyword(s):  
Refractive Index ◽  
Cost Effective ◽  
Experimental Results ◽  
Refractive Index Sensitivity ◽  
Long Period ◽  
Specimen Collection ◽  
Long Period Gratings ◽  
Highly Sensitive ◽  
Index Sensitivity

A new structure of Long-Period Gratings (LPGs) sensor is introduced as a sensitive ambient RI sensor. This structure consists of creating periodic corrugations on the cladding of the LPG. The experimental results show that this LPG structure has good performances in terms of linearity and sensitivity and serves as a highly sensitive and cost-effective sensor. It also has the advantage of portability as the corrugation can also serve as the reservoir for the specimen collection to be tested.

Temperature insensitive high-precision refractive-index sensor using two concatenated dual-resonance long-period gratings

2013 ◽  
Vol 38 (10) ◽  
pp. 1666 ◽  
Author(s):  
Saurabh Mani Tripathi ◽  
Wojtek J. Bock ◽  
Arun Kumar ◽  
Predrag Mikulic
Keyword(s):  
Refractive Index ◽  
High Precision ◽  
Refractive Index Sensor ◽  
Long Period ◽  
Long Period Gratings ◽  
Dual Resonance
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