Abstract
In this article, we discuss the designs and performances of narrow-linewidth erbium-ytterbium fiber MOPA for coherent detection lidars. We report on pedestal and multifilament core erbium-ytterbium large mode area fibers specially designed to generate high energy and good beam quality. Pulse energy of 220 μJ with M2 < 1.4 are obtained with all-fiber three amplification stages. An additional amplifier stage generates 600 μJ with M2 < 2.4. We present the first results of pulsed fiber lidar wake vortices detection using a coherent detection lidar. Maturation of this technology leads to compact all-fiber lasers. Several commercial laser sources for lidars are finally described.
| Original language | English |
|---|---|
| Pages (from-to) | 422-439 |
| Number of pages | 18 |
| Journal | Fiber and Integrated Optics |
| Volume | 27 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1 Jan 2008 |
Keywords
- Brillouin scattering
- EYDFA
- Erbium-ytterbium fibers
- Large mode fiber
- Lidar
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