Highly coherent light at 13 nm generated by use of quasi-phase-matched high-harmonic generation
Optics Letters, Vol. 29, Issue 12, pp. 1357-1359 (2004)
http://dx.doi.org/10.1364/OL.29.001357
Acrobat PDF (541 KB)
Abstract
By measuring the fringe visibility in a Young’s double pinhole experiment, we demonstrate that quasi-phase-matched high-harmonic generation produces beams with very high spatial coherence at wavelengths around 13 nm. To our knowledge these are the highest spatial coherence values ever measured at such short wavelengths from any source without spatial filtering. This results in a practical, small-scale, coherent, extreme-ultraviolet source that is useful for applications in metrology, imaging, and microscopy.
© 2004 Optical Society of America
OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(190.7220) Nonlinear optics : Upconversion
Citation
X. Zhang, A. R. Libertun, A. Paul, E. Gagnon, S. Backus, I. P. Christov, M. M. Murnane, H. C. Kapteyn, R. A. Bartels, Y. Liu, and D. T. Attwood, "Highly coherent light at 13 nm generated by use of quasi-phase-matched
high-harmonic generation," Opt. Lett. 29, 1357-1359 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-12-1357
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