We retrieve the wavelength dependent wavefront of ultrashort pulses focused with a kinoform diffractive lens using the spatiotemporal characterization technique STARFISH. The convergence/divergence evolution of the wavefronts around the focus is analyzed for each wavelength.
© 2012 OSA
B. Alonso, R. Borrego-Varillas, O. Mendoza-Yero, Í. J. Sola, J. San Román, G. Mínguez-Vega, and L. Roso, "Frequency resolved wavefront retrieval and dynamics of diffractive focused ultrashort pulses," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FW1A.7.
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