Abstract
Recent developments in spectral white-light interferometry (WLI) are reviewed. Firstly, the techniques for obtaining optical spectrum are introduced. Secondly, some novel measurement techniques are reviewed, including the improved peak-to-peak WLI, improved wavelength-tracking WLI, Fourier transform WLI, and 3 × 3 coupler based WLI. Furthermore, a hybrid measurement for the intensity-type sensors, interferometric sensors, and fiber Bragg grating sensors is achieved. It is shown that these developments have assisted in the progress of WLI.
| Original language | English |
|---|---|
| Pages (from-to) | 62-71 |
| Number of pages | 10 |
| Journal | Photonic Sensors |
| Volume | 1 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Mar 2011 |
| Externally published | Yes |
Keywords
- Extrinsic Fabry-Perot interferometer
- Fiber Fabry-Perot tunable filter
- Optical fiber sensors
- Optical path difference
- White-light interferometry
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