Tailoring the spatio-temporal distribution of diffractive focused ultrashort pulses through pulse shaping

B Alonso, J Pérez-Vizcaíno, G Mínguez-Vega… - Optics …, 2018 - opg.optica.org
Focusing control of ultrashort pulsed beams is an important research topic, due to its impact
to subsequent interaction with matter. In this work, we study the propagation near the focus …

Diffractive optics for spectral control of the supercontinuum generated in sapphire with femtosecond pulses

C Romero, R Borrego-Varillas, A Camino… - Optics …, 2011 - opg.optica.org
We propose the use of kinoform diffractive lenses to focus near infrared femtosecond pulses
in sapphire crystals for supercontinuum generation. It is shown that a strongly peaked …

Tunable high-harmonic generation by chromatic focusing of few-cycle laser pulses

W Holgado, C Hernández-García, B Alonso, M Miranda… - Physical Review A, 2017 - APS
In this work we study the impact of chromatic focusing of few-cycle laser pulses on high-
order-harmonic generation (HHG) through analysis of the emitted extreme ultraviolet (XUV) …

Frequency resolved wavefront retrieval and dynamics of diffractive focused ultrashort pulses

B Alonso, R Borrego-Varillas, O Mendoza-Yero… - Frontiers in …, 2012 - opg.optica.org
We retrieve the wavelength dependent wavefront of ultrashort pulses focused with a
kinoform diffractive lens using the spatiotemporal characterization technique STARFISH …

Diffractive control of 3D multifilamentation in fused silica with micrometric resolution

O Mendoza-Yero, M Carbonell-Leal… - Optics …, 2016 - opg.optica.org
We show that a simple diffractive phase element (DPE) can be used to manipulate at will the
positions and energy of multiple filaments generated in fused silica under femtosecond …

Femtosecond laser micromachining with extended depth of focus by using diffractive lenses

S Torres-Peiró, J González-Ausejo… - Applied surface …, 2014 - Elsevier
We show that a simple diffraction focusing element can alleviate mechanical tolerances in
ultrafast laser microprocessing. In particular, we experimentally demonstrate that, in …

Femtosecond filamentation in sapphire with diffractive lenses

R Borrego-Varillas, C Romero, O Mendoza-Yero… - JOSA B, 2013 - opg.optica.org
In this paper, we demonstrate novel properties in the phenomenology of supercontinuum
generation in sapphire with diffractive lenses and provide a complete spatial, spectral, and …

On-axis non-linear effects with programmable Dammann lenses under femtosecond illumination

JP Vizcaíno, O Mendoza-Yero, R Borrego-Varillas… - Optics Letters, 2013 - opg.optica.org
We demonstrate the utilization of Dammann lenses codified onto a spatial light modulator
(SLM) for triggering non-linear effects. With continuous wave illumination Dammann lenses …

Wavefront retrieval of amplified femtosecond beams by second-harmonic generation

R Borrego-Varillas, C Romero… - Optics express, 2011 - opg.optica.org
We present a new approach for wavefront characterization of near transform-limited intense
femtosecond beams using the angular and spectral dependences of the second-harmonic …

Generation of multifocal irradiance patterns by using complex Fresnel holograms

O Mendoza-Yero, M Carbonell-Leal… - Optics Letters, 2018 - opg.optica.org
We experimentally demonstrate Fresnel holograms able to produce multifocal irradiance
patterns with micrometric spatial resolution. These holograms are assessed from the …