Coherent Addition of Adjacent Lasers by Forked Eigenstate Operation
Applied Optics, Vol. 37, Issue 12, pp. 2402-2406 (1998)
http://dx.doi.org/10.1364/AO.37.002402
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Abstract
Forked laser eigenstates are shown to provide a powerful tool both to phase lock spatially separated laser oscillators and to add their powers coherently into a TEM00 output beam. Coherent addition of the powers extracted from two fiber-coupled diode-pumped Nd:YAG channels is theoretically and experimentally demonstrated. Pure TEM00 oscillation is obtained with a 20% optical-to-optical conversion efficiency. The coherence of the two-propagation-axis laser is proved, and single-frequency operation is demonstrated. The scalability of the scheme is discussed.
© 1998 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3290) Lasers and laser optics : Laser arrays
(140.3410) Lasers and laser optics : Laser resonators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(260.5430) Physical optics : Polarization
Citation
Marc Brunel, Albert Le Floch, Fabien Bretenaker, Jean Marty, and Engin Molva, "Coherent Addition of Adjacent Lasers by Forked Eigenstate Operation," Appl. Opt. 37, 2402-2406 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-12-2402
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