Abstract
We studied the impact of optical pulse coding techniques on Brillouin optical time-domain analysis (BOTDA) systems experimentally. The results show that complementary-coding-based schemes can provide significant enhanced signal-to-noise ratio (SNR) to the BOTDA system. Using complementary coding, the average time can be reduced significantly and so does the measurement time. The complementary-coded pulses with individual pulse duration of 0.1 ns allowed us to realize temperature sensing over 50 m of single-mode fiber with 1-cm spatial resolution.
| Original language | English |
|---|---|
| Article number | 6341029 |
| Pages (from-to) | 2243-2248 |
| Number of pages | 6 |
| Journal | IEEE Photonics Journal |
| Volume | 4 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 18 Dec 2012 |
Keywords
- Brillouin gain spectrum
- optic fiber sensors
- optical pulse coding
- time-domain analysis
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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