RT Journal Article
T1 Femtosecond spectral pulse shaping with holographic gratings recorded in photopolymerizable glasses
A1 Martínez Matos, Óscar
A1 Hernández Garay, María de la Paz
A1 González Izquierdo, Jesús
A1 Calvo Padilla, María Luisa
A1 Vaveliuk, Pablo
A1 Cheben, Pavel
A1 Bañares Morcillo, Luis
AB The majority of the applications of ultrashort laser pulses require a control of its spectral bandwidth. In this paper we show the capability of volume phase holographic gratings recorded in photopolymerizable glasses for spectral pulse reshaping of ultrashort laser pulses originated in an Amplified Ti: Sapphire laser system and its second harmonic. Gratings with high laser induce damage threshold (LIDT) allowing wide spectral bandwidth operability satisfy these demands. We have performed LIDT testing in the photopolymerizable glass showing that the sample remains unaltered after more than 10 million pulses with 0,75 TW/cm^2 at 1 KHz repetition rate. Furthermore, it has been developed a theoretical model, as an extension of the Kogelnik's theory, providing key gratings design for bandwidth operability. The main features of the diffracted beams are in agreement with the model, showing that non-linear effects are negligible in this material up to the fluence threshold for laser induced damage. The high versatility of the grating design along with the excellent LIDT indicates that this material is a promising candidate for ultrashort laser pulses manipulations.
PB Optical Society of America
SN 1094-4087
YR 2011
FD 2011-01-17
LK https://hdl.handle.net/20.500.14352/44155
UL https://hdl.handle.net/20.500.14352/44155
LA eng
NO ©2011 Optical Society of America.We thank J. A. Rodrigo and R. Weigand for helpful discussions. The financial support of the Spanish Ministry of Innovation and Science, under grant TEC2008-1045 is acknowledged. One of us (M.P. Hernandez-Garay) acknowledges the MAEC-AECID (Spain) and CONACyT (Mexico) grants, P. Vaveliuk is grateful to CNPq (Brazilian federal grant agency) for financial support. We thank to Chemical Reaction Dynamics and Femtochemistry Group: J. G. Izquierdo and L. Bañares (Spanish Ministry of Science and Innovation (MICINN) through Grant CTQ2008-02578/BQU, and Consolider SAUUL CSD2007-00013). Finally, the authors gratefully the reviewers’s suggestions.
NO Ministerio de Ciencia e Innovación-MICINN, España
NO Ministerio de Asuntos Exteriores y de Cooperación, España
NO Consejo Nacional de Ciencia y Tecnología CONACyT, México
NO CNPq (Brazilian federal grant agency)
DS Docta Complutense
RD 8 abr 2025