3. Time regimes: from continuous to femtosecond
3.1 Continuous operation
The continuous regime is the default regime obtained with a simple laser cavity, although some phase-locking or spontaneous triggering phenomena are sometimes observed. If no effort is made to control the laser emission spectrum, this continuous emission is made up of several longitudinal modes in the spectral domain, whose frequencies satisfy the equation (5) . This property is due to the partially inhomogeneous nature of gain broadening in doped optical fibers. The number of modes oscillating in the laser cavity can be reduced by introducing an optical...
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Time regimes: from continuous to femtosecond
Applications
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
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Rare earth-doped optical fibers
Corning http://www.corning.com
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