Adaptive correction of a tightly focused, high-intensity laser beam by use of a third-harmonic signal generated at an interface
Optics Letters, Vol. 31, Issue 14, pp. 2214-2216 (2006)
http://dx.doi.org/10.1364/OL.31.002214
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Abstract
By using the third-harmonic signal generated at an air–dielectric interface, we demonstrate a novel way of correcting wavefront aberrations induced by high-numerical-aperture optics. The third harmonic is used as the input physical parameter of a genetic algorithm working in closed loop with a 37-actuator deformable mirror. This method is simple and reliable and can be used to correct aberrations of tightly focused beams, a regime where other methods have limitations. Improvement of the third-harmonic signal generated with an
© 2006 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(140.3590) Lasers and laser optics : Lasers, titanium
(320.7090) Ultrafast optics : Ultrafast lasers
ToC Category:
Ultrafast Optics
History
Original Manuscript: March 29, 2006
Manuscript Accepted: April 26, 2006
Virtual Issues
Vol. 1, Iss. 8 Virtual Journal for Biomedical Optics
Citation
T. A. Planchon, W. Amir, J. J. Field, C. G. Durfee, J. A. Squier, P. Rousseau, O. Albert, and G. Mourou, "Adaptive correction of a tightly focused, high-intensity laser beam by use of a third-harmonic signal generated at an interface," Opt. Lett. 31, 2214-2216 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-14-2214
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