论文信息 - Long-distance remote sensors for simultaneous measurement of strain and temperature based on multiwavelength fiber lasers

Long-distance remote sensors for simultaneous measurement of strain and temperature based on multiwavelength fiber lasers

We investigate a simple and flexible multiwavelength light sources based on fiber Bragg gratings (FBGs) and a tunable chirped FBG. Using a simple multiwavelength fiber laser configuration with a specialty FBG and a tunable chirped FBG, we readily achieved simultaneous multiwavelength fiber lasers with a high extinction ratio of more than 50 dB over a 50-km distance.

Young-Geun Han | Young-Geun Han

[1] Michael A. Davis,et al. Fiber grating sensors , 1997 .

[2] L Bjerkan. Application of fiber-optic bragg grating sensors in monitoring environmental loads of overhead power transmission lines. , 2000, Applied optics.

[3] Peng-Chun Peng,et al. Long-distance FBG sensor system using a linear-cavity fiber Raman laser scheme , 2004, IEEE Photonics Technology Letters.

[4] Chang-Seok Kim,et al. Simultaneous measurement of temperature and strain using dual long-period fiber gratings with controlled temperature and strain sensitivities. , 2003, Optics express.

[5] J. Lee,et al. Simultaneous measurement of strain and temperature by use of a single-fiber Bragg grating and an erbium-doped fiber amplifier. , 1999, Applied Optics.