<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this work, a comparative study aimed to investigate the effects of cladding stripping on the external refractive index sensitivity in tapered and UV long period gratings is presented. Here, wet chemical etching combined with microscopic analysis allow us to identify the experimental dependence of the surrounding refractive index (SRI) sensitivity on the cladding radius for both grating types. The experimental results reveal that although in both cases a sensitivity enhancement is achieved by reducing the cladding thickness, the tapered devices offer substantially a greater sensitivity gain in respect to UV written devices</p></abstract>

In this work, a comparative study aimed to investigate the effects of cladding stripping on the external refractive index sensitivity in tapered and UV long period gratings is presented. Here, wet chemical etching combined with microscopic analysis allow us to identify the experimental dependence of the surrounding refractive index (SRI) sensitivity on the cladding radius for both grating types. The experimental results reveal that although in both cases a sensitivity enhancement is achieved by reducing the cladding thickness, the tapered devices offer substantially a greater sensitivity gain in respect to UV written devices

Refractive Index Sensitivity In Thinned Uv And Arc Induced Long-Period Gratings: A Comparative Study

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

In this work, a comparative study aimed to investigate the effects of cladding stripping on the external refractive index sensitivity in tapered and UV long...

Refractive Index Sensitivity In Thinned Uv And Arc Induced Long-Period Gratings: A Comparative Study

Published Online: Dec 13, 2017

Page range: 354 - 367

DOI: https://doi.org/10.21307/ijssis-2017-294

Keywords
Long period gratings, fiber optic sensors, gratings fabrication, chemical etching of gratings

© 2008 A. Iadicicco et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Refractive Index Sensitivity In Thinned Uv And Arc Induced Long-Period Gratings: A Comparative Study

Published Online: Dec 13, 2017

Page range: 354 - 367

DOI: https://doi.org/10.21307/ijssis-2017-294

KeywordsLong period gratings, fiber optic sensors, gratings fabrication, chemical etching of gratings

© 2008 A. Iadicicco et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Long period gratings, fiber optic sensors, gratings fabrication, chemical etching of gratings