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5. Conclusion
Techniques such as incoherent combination, polarization combination, spatial superposition and spectral combination are relatively simple to implement, and enable the powers of several lasers to be added very effectively. However, these techniques do not generally give access to the combination of more than a few dozen laser sources, at least without sacrificing their simplicity, reliability and robustness.
Coherent combination techniques, whether passive or active, are more complex in appearance, since they use an interference pattern between the combined laser beams to concentrate the power.
Passive coherent combination techniques are also very limited in terms of the maximum number of laser sources that can be combined, and it seems difficult to add up the power of more than a few dozen lasers in this way.
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Conclusion
Glossary
Bibliography
Bibliography
Events
SPIE conference – Photonics West: every year in San Francisco http://spie.org/conferences-and-exhibitions/photonics-west
SPIE conference – Defense and Security: held annually in the United States
Standards and norms
Laser safety standards to be applied when using lasers, whether combined or not:
- Safety of laser products – Part 1: Equipment classification and requirements - IEC 60825-1 - 2014
- AFNOR Safety of laser equipment – Part 1: Equipment classification and requirements - NF EN 60825-1 - 2014
The French AFNOR standard is an officially validated translation by AFNOR of the IEC...
Directory
Companies developing high-power combination lasers
This list is by no means exhaustive, but includes some of the main industrial players in the development of high-power laser sources incorporating combination technologies, often for military applications.
Boeing (United States) http://www.boeing.com/defense/
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