Spatial distribution of carrier-envelope phase for femtosecond pulsed laser beam profile determined by asymmetric spectral interferometry
Optics Letters, Vol. 35, Issue 13, pp. 2275-2277 (2010)
http://dx.doi.org/10.1364/OL.35.002275
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Abstract
The spatial distribution of the carrier-envelope phase (CEP) for a femtosecond laser pulse from a regenerative amplifier was measured by a method based on the spectral interferometric technique. Our results show that the spatial distribution of the carrier-envelope phase from an ultrafast regenerative amplified laser is stable from pulse to pulse, but the difference between different locations within the laser profile is significant. In contrast, the CEP spatial distribution for the beam profile from the oscillator is homogenous within the experimental error. We attribute the observed spatial CEP distribution to the discrepancy between the dispersion of group velocity and phase velocity when the laser pulse passes through the dispersive optical elements, which can be corrected by a prism.
© 2010 Optical Society of America
OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7160) Ultrafast optics : Ultrafast technology
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: April 27, 2010
Manuscript Accepted: June 3, 2010
Published: June 29, 2010
Citation
Zhihao Yu and Yuxiang Weng, "Spatial distribution of carrier-envelope phase for femtosecond pulsed laser beam profile determined by asymmetric spectral interferometry," Opt. Lett. 35, 2275-2277 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-13-2275
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