Alain Haché: Difference between revisions
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Revision as of 06:31, 11 May 2012
Alain Haché | |
|---|---|
| Born | 14 December 1970 |
| Citizenship | Canadian |
| Alma mater | B.Sc. – Université de Moncton Ph.D – University of Toronto |
| Known for | Supraluminal phenomena in photonic crystals Canada Research Chair in Photonics 2003–Present |
| Scientific career | |
| Fields | Physics, Photonics, Optics |
| Institutions | Université de Moncton |
| Notable students | Louis Poirier |
Alain Haché (born 14 December 1970, in Tracadie, New Brunswick) is an experimental physicist, a professor at the University of Moncton, Canada.[1][2] Since 2003 he holds the Canada Research Chair in Photonics.[3] He is also the author of The Physics of Hockey, a popular science book on ice hockey.[1][4]
In 2002, he and undergraduate student Louis Poirier transmitted faster-than-light electrical pulses through a 120-metre long "photonic crystal" made of coaxial cables of alternating characteristic impedance (12 pairs of 50 Ω and 75 Ω cables).[5][6] The experiment showed that the pulse envelope was recreated at the end of the cables at a speed of >3 c. Since this speed represents the group velocity but not the signal velocity, no energy or information was actually traveling faster than light.
References
- ^ a b Pierre P. Ferguson, Alain Haché. "Alain Haché". The Physics of Hockey. Retrieved 2008-12-27.
- ^ "Alain Haché" (in French). Université de Moncton. Retrieved 2010-11-27.
- ^ "Canada Research Chair in Photonics – Alain Haché". Canada Research Chairs. 2003.
- ^
Alain Haché (2002). The Physics of Hockey. Baltimore (MD): Johns Hopkins University Press. ISBN [[Special:BookSources/0-8016-7071-2 |0-8016-7071-2 [[Category:Articles with invalid ISBNs]]]].
{{cite book}}: Check|isbn=value: invalid character (help) - ^ Katie Pennicott (2002). "Electrical pulses break light speed record". PhysicsWorld.com. Institute of Physics.
- ^ Alain Haché, Louis Poirier (2002). "Long-range superluminal pulse propagation in a coaxial photonic crystal". Applied Physics Letters. 80 (3): 518. Bibcode:2002ApPhL..80..518H. doi:10.1063/1.1432760.
Further Reading
- Nicole Visschedyk (6 September 2010). "Researcher earns healthy grant from innovation foundation". Telegraph-Journal. p. B1. Retrieved 2010-12-01.
External links
- Alain Haché's webpage @ Université de Moncton
- Alain Haché's scientific contributions @ Google Docs
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