Nearly diffraction-limited laser focal spot obtained by use of an optically addressed light valve in an adaptive-optics loop
Optics Letters, Vol. 23, Issue 6, pp. 475-477 (1998)
http://dx.doi.org/10.1364/OL.23.000475
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Abstract
We demonstrate correction of laser wave-front distortions by use of an adaptive-optical technique based on a light valve. The setup consists of an achromatic and adjustable-sensitivity wave-front sensor and a wave-front corrector relying on an optically addressed liquid-crystal spatial light modulator. Experimental results with strongly aberrated beams focused close to the diffraction limit are presented for the cw regime. Additional experiments with pulses and measurement of damage thresholds show that this approach is relevant for spatial phase correction of ultraintense laser pulses.
© 1998 Optical Society of America
[Optical Society of America ]
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(050.1940) Diffraction and gratings : Diffraction
(140.0140) Lasers and laser optics : Lasers and laser optics
Citation
J.-C. Chanteloup, H. Baldis, A. Migus, G. Mourou, B. Loiseaux, and J.-P. Huignard, "Nearly diffraction-limited laser focal spot obtained by use of an optically addressed light valve in an adaptive-optics loop," Opt. Lett. 23, 475-477 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-6-475
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