Abstract
A novel all-fiber refractometer sensor is proposed, which is based on multimode interference in the multimode fiber core section sandwiched between two single-mode fibers. A wide-angle beam propagation method in the cylindrical coordinate is employed as the modeling tool for simulation and design of the proposed refractometer sensor. The design for a refractometer is presented that shows that the refractometer would have an estimated resolution of 5.4 × 10-5 for refractive indices from 1.33 to 1.45 and of 3.3 × 10-5 for refractive indices from 1.38 to 1.45 through the choice of an appropriate length of the multimode fiber core section.
| Original language | English |
|---|---|
| Pages (from-to) | 317-319 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 31 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1 Feb 2006 |