Abstract
In this paper, we investigate the beam quality of photonic-crystal fibers (PCFs) with one, three, and seven missing airholes. The beam quality factor M2 of a PCF is generally larger than unity, even if it is single mode. The results are especially important for the design and measurements of single-mode PCF lasers. A comparison between an M2 measurement of the laser beam and the reported numbers can establish whether a PCF laser is operating as single mode or is contaminated by higher order modes.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2267-2270 |
| Number of pages | 4 |
| Journal | Journal of Lightwave Technology |
| Volume | 23 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2005 |
Keywords
- Beam quality factor
- Photonic crystals
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
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