Abstract
Focussing ultrashort laser pulses allows for inscribing fiber Bragg gratings (FBGs) directly into rare earth doped fiber cores - without prior photosensitivity treatment. High reflective FBGs can be written into active Large Mode Area (LMA) Fibers with 20 micron core diameter using a phase mask scanning technique. Here, we demonstrate fiber Bragg gratings (FBGs), which cover only a fraction of the core. With this additional degree of freedom it is possible to taylor the reflectivity of individual modes. We show for example how those FBGs can be used in few mode LMA fibers to suppress reflections into higher order modes.
| Original language | English |
|---|---|
| Title of host publication | Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X |
| Editors | Alexander Heisterkamp, Joseph Neev, Stefan Nolte, Rick P. Trebino |
| Place of Publication | Washington, DC |
| Publisher | SPIE |
| Pages | 1-9 |
| Number of pages | 9 |
| Volume | 7589 |
| ISBN (Print) | 9780819479853 |
| DOIs | |
| Publication status | Published - 2010 |
| Event | Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X - San Francisco, CA, United States Duration: 24 Jan 2010 → 26 Jan 2010 |
Other
| Other | Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X |
|---|---|
| Country/Territory | United States |
| City | San Francisco, CA |
| Period | 24/01/10 → 26/01/10 |
Bibliographical note
Copyright 2010 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.Fingerprint
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