2. Different technologies for fiber lasers
We now turn to detailing the major families of technologies and amplification concepts used in fiber-optic laser sources. It is interesting to see the wavelength ranges accessible by these various technologies, as illustrated in figure 8 . Fiber sources enable emission from the visible to the mid-infrared, and are particularly important for emission around 1 μm (ytterbium) and 1.55 μm (erbium). On the other hand, non-linear amplification mechanisms, which are not based on stimulated emission, allow access to arbitrary wavelengths under certain conditions. These are described in detail below.
2.1 Rare-earth-doped optical fibers
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Different technologies for fiber lasers
Time regimes: from continuous to femtosecond
Bibliography
Software tools
RP Fiber Power: Commercial software for simulating fiber-optic lasers and amplifiers http://www.rp-photonics.com/fiberpower.html
Fiberdesk: Commercial software for simulating propagation in optical fibers, including amplifiers and fiber oscillators.
Websites
Very useful link on photonics in general and laser sources in particular: Encyclopedia of laser physics and technology http://www.rp-photonics.com/encyclopedia.html (page consulted on June 21, 2011)
Standards and norms
- Spatial beam quality measurement: beam size and divergence " Lasers and laser-related equipment – Test methods for laser beam widths, divergence angles and beam propagation ratios " - ISO 11146 - 2005
- Définition de fibre monomode : « Cutoff wavelength measurement for single-mode fibre » - CEI/IEC International standard 793-1-C7A - 2011
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Manufacturers – Suppliers – Distributors (non-exhaustive list)
Rare earth-doped optical fibers
Corning http://www.corning.com
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