Ultrahigh sensitivity refractive index sensor based on optical microfiber
We demonstrate a nonadiabatic microfiber sensor with a taper diameter of few micrometers. The modal interference caused by the abrupt taper results in a sinusoidal spectral response. The wavelength shift arising because of the changes in the external refractive index is found to be significant, achi...
| Egile Nagusiak: | , , , , |
|---|---|
| Beste egile batzuk: | |
| Formatua: | Journal Article |
| Hizkuntza: | English |
| Argitaratua: |
2013
|
| Gaiak: | |
| Sarrera elektronikoa: | https://hdl.handle.net/10356/102804 http://hdl.handle.net/10220/16421 |
| Gaia: | We demonstrate a nonadiabatic microfiber sensor with a taper diameter of few micrometers. The modal interference caused by the abrupt taper results in a sinusoidal spectral response. The wavelength shift arising because of the changes in the external refractive index is found to be significant, achieving a maximum sensitivity of 18681.82 nm/RIU. The measured results show good agreement with the theoretical predictions. The high sensitivity and the simplicity offer the sensor the potential for many real applications. |
|---|