1 October 1993 Femtosecond pulse front tilt caused by angular dispersion
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Optical Engineering, 32(10), (1993). doi:10.1117/12.145393
Abstract
Femtosecond pulse fronts suffer a time delay across the beam when propagating through diffraction gratings or dispersive prisms. A general relation was found describing the tilt angle γ of the pulse front as, tanγ=λdε/dλ where dε/dλ is the angular dispersion of the grating or prism and λ is the central wavelength of the pulse. The expression is valid for any spectral device having angular dispersion (e.g., Fabry-Pérot interferometer, Lummer-Gehrcke plate, and Michelson echelon). The tilt angle is shown to have a close relation to the classical uncertainty principle.
Zsolt Bor, Bela Racz, Gabor Szabo, Margit Hilbert, H. A. Hazim, "Femtosecond pulse front tilt caused by angular dispersion," Optical Engineering 32(10), (1 October 1993). http://dx.doi.org/10.1117/12.145393
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KEYWORDS
Dispersion

Prisms

Femtosecond phenomena

Phase velocity

Beam propagation method

Diffraction gratings

Diffraction

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